diff --git a/appinfo/application.php b/appinfo/application.php
index 4fbb8b60..c59d1752 100644
--- a/appinfo/application.php
+++ b/appinfo/application.php
@@ -115,7 +115,7 @@ public function register(IRegistrationContext $context): void {
         }
 
         // Set the leeway for the JWT library in case the system clock is a second off
-        \Firebase\JWT\JWT::$leeway = $this->appConfig->GetJwtLeeway();
+        \Firebase\JWT\JWT::$leeway = $this->appConfig->getJwtLeeway();
 
         $context->registerService("L10N", function (ContainerInterface $c) {
             return $c->get("ServerContainer")->getL10N($c->get("AppName"));
@@ -289,7 +289,7 @@ function (FileCreatedFromTemplateEvent $event) {
                         $template = $event->getTemplate();
                         if ($template === null) {
                             $targetFile = $event->getTarget();
-                            $templateEmpty = TemplateManager::GetEmptyTemplate($targetFile->getName());
+                            $templateEmpty = TemplateManager::getEmptyTemplate($targetFile->getName());
                             if ($templateEmpty) {
                                 $targetFile->putContent($templateEmpty);
                             }
@@ -305,8 +305,8 @@ function (FileCreatedFromTemplateEvent $event) {
 
         if (class_exists("OCP\Files\Template\TemplateFileCreator")) {
             $context->injectFn(function (ITemplateManager $templateManager, IL10N $trans, $appName) {
-                if (!empty($this->appConfig->GetDocumentServerUrl())
-                    && $this->appConfig->SettingsAreSuccessful()
+                if (!empty($this->appConfig->getDocumentServerUrl())
+                    && $this->appConfig->settingsAreSuccessful()
                     && $this->appConfig->isUserAllowedToUse()) {
                     $templateManager->registerTemplateFileCreator(function () use ($appName, $trans) {
                         $wordTemplate = new TemplateFileCreator($appName, $trans->t("New document"), ".docx");
diff --git a/controller/callbackcontroller.php b/controller/callbackcontroller.php
index e4b91d89..8c48d69b 100644
--- a/controller/callbackcontroller.php
+++ b/controller/callbackcontroller.php
@@ -204,7 +204,7 @@ public function __construct(
      */
     public function download($doc) {
 
-        list($hashData, $error) = $this->crypt->ReadHash($doc);
+        list($hashData, $error) = $this->crypt->readHash($doc);
         if ($hashData === null) {
             $this->logger->error("Download with empty or not correct hash: $error", ["app" => $this->appName]);
             return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -220,8 +220,8 @@ public function download($doc) {
         $template = isset($hashData->template) ? $hashData->template : false;
         $this->logger->debug("Download: $fileId ($version)" . ($changes ? " changes" : ""), ["app" => $this->appName]);
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $header = \OC::$server->getRequest()->getHeader($this->config->JwtHeader());
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $header = \OC::$server->getRequest()->getHeader($this->config->jwtHeader());
             if (empty($header)) {
                 $this->logger->error("Download without jwt", ["app" => $this->appName]);
                 return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -230,7 +230,7 @@ public function download($doc) {
             $header = substr($header, strlen("Bearer "));
 
             try {
-                $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->GetDocumentServerSecret(), "HS256"));
+                $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->getDocumentServerSecret(), "HS256"));
             } catch (\UnexpectedValueException $e) {
                 $this->logger->logException($e, ["message" => "Download with invalid jwt", "app" => $this->appName]);
                 return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -329,7 +329,7 @@ public function download($doc) {
     public function emptyfile($doc) {
         $this->logger->debug("Download empty", ["app" => $this->appName]);
 
-        list($hashData, $error) = $this->crypt->ReadHash($doc);
+        list($hashData, $error) = $this->crypt->readHash($doc);
         if ($hashData === null) {
             $this->logger->error("Download empty with empty or not correct hash: $error", ["app" => $this->appName]);
             return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -339,8 +339,8 @@ public function emptyfile($doc) {
             return new JSONResponse(["message" => $this->trans->t("Invalid request")], Http::STATUS_BAD_REQUEST);
         }
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $header = \OC::$server->getRequest()->getHeader($this->config->JwtHeader());
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $header = \OC::$server->getRequest()->getHeader($this->config->jwtHeader());
             if (empty($header)) {
                 $this->logger->error("Download empty without jwt", ["app" => $this->appName]);
                 return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -349,14 +349,14 @@ public function emptyfile($doc) {
             $header = substr($header, strlen("Bearer "));
 
             try {
-                $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->GetDocumentServerSecret(), "HS256"));
+                $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->getDocumentServerSecret(), "HS256"));
             } catch (\UnexpectedValueException $e) {
                 $this->logger->logException($e, ["message" => "Download empty with invalid jwt", "app" => $this->appName]);
                 return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
             }
         }
 
-        $templatePath = TemplateManager::GetEmptyTemplatePath("en", ".docx");
+        $templatePath = TemplateManager::getEmptyTemplatePath("en", ".docx");
 
         $template = file_get_contents($templatePath);
         if (!$template) {
@@ -397,7 +397,7 @@ public function emptyfile($doc) {
      */
     public function track($doc, $users, $key, $status, $url, $token, $history, $changesurl, $forcesavetype, $actions, $filetype) {
 
-        list($hashData, $error) = $this->crypt->ReadHash($doc);
+        list($hashData, $error) = $this->crypt->readHash($doc);
         if ($hashData === null) {
             $this->logger->error("Track with empty or not correct hash: $error", ["app" => $this->appName]);
             return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -410,16 +410,16 @@ public function track($doc, $users, $key, $status, $url, $token, $history, $chan
         $fileId = $hashData->fileId;
         $this->logger->debug("Track: $fileId status $status", ["app" => $this->appName]);
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
+        if (!empty($this->config->getDocumentServerSecret())) {
             if (!empty($token)) {
                 try {
-                    $payload = \Firebase\JWT\JWT::decode($token, new \Firebase\JWT\Key($this->config->GetDocumentServerSecret(), "HS256"));
+                    $payload = \Firebase\JWT\JWT::decode($token, new \Firebase\JWT\Key($this->config->getDocumentServerSecret(), "HS256"));
                 } catch (\UnexpectedValueException $e) {
                     $this->logger->logException($e, ["message" => "Track with invalid jwt in body", "app" => $this->appName]);
                     return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
                 }
             } else {
-                $header = \OC::$server->getRequest()->getHeader($this->config->JwtHeader());
+                $header = \OC::$server->getRequest()->getHeader($this->config->jwtHeader());
                 if (empty($header)) {
                     $this->logger->error("Track without jwt", ["app" => $this->appName]);
                     return new JSONResponse(["message" => $this->trans->t("Access denied")], Http::STATUS_FORBIDDEN);
@@ -428,7 +428,7 @@ public function track($doc, $users, $key, $status, $url, $token, $history, $chan
                 $header = substr($header, strlen("Bearer "));
 
                 try {
-                    $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->GetDocumentServerSecret(), "HS256"));
+                    $decodedHeader = \Firebase\JWT\JWT::decode($header, new \Firebase\JWT\Key($this->config->getDocumentServerSecret(), "HS256"));
 
                     $payload = $decodedHeader->payload;
                 } catch (\UnexpectedValueException $e) {
@@ -521,7 +521,7 @@ public function track($doc, $users, $key, $status, $url, $token, $history, $chan
                 }
 
                 try {
-                    $url = $this->config->ReplaceDocumentServerUrlToInternal($url);
+                    $url = $this->config->replaceDocumentServerUrlToInternal($url);
 
                     $prevVersion = $file->getFileInfo()->getMtime();
                     $fileName = $file->getName();
@@ -530,18 +530,18 @@ public function track($doc, $users, $key, $status, $url, $token, $history, $chan
 
                     $documentService = new DocumentService($this->trans, $this->config);
                     if ($downloadExt !== $curExt) {
-                        $key = DocumentService::GenerateRevisionId($fileId . $url);
+                        $key = DocumentService::generateRevisionId($fileId . $url);
 
                         try {
                             $this->logger->debug("Converted from $downloadExt to $curExt", ["app" => $this->appName]);
-                            $url = $documentService->GetConvertedUri($url, $downloadExt, $curExt, $key);
+                            $url = $documentService->getConvertedUri($url, $downloadExt, $curExt, $key);
                         } catch (\Exception $e) {
                             $this->logger->logException($e, ["message" => "Converted on save error", "app" => $this->appName]);
                             return new JSONResponse(["message" => $e->getMessage()], Http::STATUS_INTERNAL_SERVER_ERROR);
                         }
                     }
 
-                    $newData = $documentService->Request($url);
+                    $newData = $documentService->request($url);
 
                     $prevIsForcesave = KeyManager::wasForcesave($fileId);
 
@@ -585,16 +585,16 @@ public function track($doc, $users, $key, $status, $url, $token, $history, $chan
                     if (!$isForcesave
                         && !$prevIsForcesave
                         && $this->versionManager !== null
-                        && $this->config->GetVersionHistory()) {
+                        && $this->config->getVersionHistory()) {
                         $changes = null;
                         if (!empty($changesurl)) {
-                            $changesurl = $this->config->ReplaceDocumentServerUrlToInternal($changesurl);
-                            $changes = $documentService->Request($changesurl);
+                            $changesurl = $this->config->replaceDocumentServerUrlToInternal($changesurl);
+                            $changes = $documentService->request($changesurl);
                         }
                         FileVersions::saveHistory($file->getFileInfo(), $history, $changes, $prevVersion);
                     }
 
-                    if (!empty($user) && $this->config->GetVersionHistory()) {
+                    if (!empty($user) && $this->config->getVersionHistory()) {
                         FileVersions::saveAuthor($file->getFileInfo(), $user);
                     }
 
@@ -639,7 +639,7 @@ private function getFile($userId, $fileId, $filePath = null, $version = 0, $temp
         }
 
         try {
-            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::GetGlobalTemplateDir();
+            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::getGlobalTemplateDir();
             $files = $folder->getById($fileId);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "getFile: $fileId", "app" => $this->appName]);
@@ -780,7 +780,7 @@ private function getShare($shareToken) {
      * @return string
      */
     private function parseUserId($userId) {
-        $instanceId = $this->config->GetSystemValue("instanceid", true);
+        $instanceId = $this->config->getSystemValue("instanceid", true);
         $instanceId = $instanceId . "_";
 
         if (substr($userId, 0, strlen($instanceId)) === $instanceId) {
diff --git a/controller/editorapicontroller.php b/controller/editorapicontroller.php
index 60195173..6d341779 100644
--- a/controller/editorapicontroller.php
+++ b/controller/editorapicontroller.php
@@ -207,7 +207,7 @@ public function __construct(
             }
         }
 
-        if ($this->config->GetAdvanced()
+        if ($this->config->getAdvanced()
             && \OC::$server->getAppManager()->isInstalled("files_sharing")) {
             $this->extraPermissions = new ExtraPermissions($AppName, $logger, $shareManager, $config);
         }
@@ -238,7 +238,7 @@ public function __construct(
     public function config($fileId, $filePath = null, $shareToken = null, $directToken = null, $version = 0, $inframe = false, $inviewer = false, $desktop = false, $guestName = null, $template = false, $anchor = null) {
 
         if (!empty($directToken)) {
-            list($directData, $error) = $this->crypt->ReadHash($directToken);
+            list($directData, $error) = $this->crypt->readHash($directToken);
             if ($directData === null) {
                 $this->logger->error("Config for directEditor with empty or not correct hash: $error", ["app" => $this->appName]);
                 return new JSONResponse(["error" => $this->trans->t("Not permitted")]);
@@ -288,7 +288,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
 
         $fileName = $file->getName();
         $ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
-        $format = !empty($ext) && array_key_exists($ext, $this->config->FormatsSetting()) ? $this->config->FormatsSetting()[$ext] : null;
+        $format = !empty($ext) && array_key_exists($ext, $this->config->formatsSetting()) ? $this->config->formatsSetting()[$ext] : null;
         if (!isset($format)) {
             $this->logger->info("Format is not supported for editing: $fileName", ["app" => $this->appName]);
             return new JSONResponse(["error" => $this->trans->t("Format is not supported")]);
@@ -312,7 +312,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
         if ($key === null) {
             $key = $this->fileUtility->getKey($file, true);
         }
-        $key = DocumentService::GenerateRevisionId($key);
+        $key = DocumentService::generateRevisionId($key);
 
         $params = [
             "document" => [
@@ -323,7 +323,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
                 "url" => $fileUrl,
                 "referenceData" => [
                     "fileKey" => $file->getId(),
-                    "instanceId" => $this->config->GetSystemValue("instanceid", true),
+                    "instanceId" => $this->config->getSystemValue("instanceid", true),
                 ],
             ],
             "documentType" => $format["type"],
@@ -333,7 +333,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             ]
         ];
 
-        $permissions_modifyFilter = $this->config->GetSystemValue($this->config->_permissions_modifyFilter);
+        $permissions_modifyFilter = $this->config->getSystemValue($this->config->_permissions_modifyFilter);
         if (isset($permissions_modifyFilter)) {
             $params["document"]["permissions"]["modifyFilter"] = $permissions_modifyFilter;
         }
@@ -426,7 +426,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             }
 
             $canProtect = true;
-            if ($this->config->GetProtection() === "owner") {
+            if ($this->config->getProtection() === "owner") {
                 $canProtect = $ownerId === $userId;
             }
             $params["document"]["permissions"]["protect"] = $canProtect;
@@ -436,11 +436,11 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
                 $params["document"]["permissions"]["protect"] = false;
             }
 
-            $hashCallback = $this->crypt->GetHash(["userId" => $userId, "ownerId" => $ownerId, "fileId" => $file->getId(), "filePath" => $filePath, "shareToken" => $shareToken, "action" => "track"]);
+            $hashCallback = $this->crypt->getHash(["userId" => $userId, "ownerId" => $ownerId, "fileId" => $file->getId(), "filePath" => $filePath, "shareToken" => $shareToken, "action" => "track"]);
             $callback = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".callback.track", ["doc" => $hashCallback]);
 
-            if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-                $callback = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $callback);
+            if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+                $callback = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $callback);
             }
 
             $params["editorConfig"]["callbackUrl"] = $callback;
@@ -527,7 +527,7 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             $createUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".editor.create_new", $createParam);
             $params["editorConfig"]["createUrl"] = urldecode($createUrl);
 
-            $templatesList = TemplateManager::GetGlobalTemplates($file->getMimeType());
+            $templatesList = TemplateManager::getGlobalTemplates($file->getMimeType());
             if (!empty($templatesList)) {
                 $templates = [];
                 foreach ($templatesList as $templateItem) {
@@ -551,13 +551,13 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
         }
 
         if ($folderLink !== null
-            && $this->config->GetSystemValue($this->config->_customization_goback) !== false) {
+            && $this->config->getSystemValue($this->config->_customization_goback) !== false) {
             $params["editorConfig"]["customization"]["goback"] = [
                 "url" => $folderLink
             ];
 
             if (!$desktop && !$inviewer) {
-                if ($this->config->GetSameTab()) {
+                if ($this->config->getSameTab()) {
                     $params["editorConfig"]["customization"]["goback"]["blank"] = false;
                 }
 
@@ -581,8 +581,8 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
 
         $params = $this->setWatermark($params, !empty($shareToken), $userId, $file);
 
-        if ($this->config->UseDemo()) {
-            $params["editorConfig"]["tenant"] = $this->config->GetSystemValue("instanceid", true);
+        if ($this->config->useDemo()) {
+            $params["editorConfig"]["tenant"] = $this->config->getSystemValue("instanceid", true);
         }
 
         if ($anchor !== null) {
@@ -595,8 +595,8 @@ public function config($fileId, $filePath = null, $shareToken = null, $directTok
             }
         }
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $token = \Firebase\JWT\JWT::encode($params, $this->config->GetDocumentServerSecret(), "HS256");
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $token = \Firebase\JWT\JWT::encode($params, $this->config->getDocumentServerSecret(), "HS256");
             $params["token"] = $token;
         }
 
@@ -621,7 +621,7 @@ private function getFile($userId, $fileId, $filePath = null, $template = false)
         }
 
         try {
-            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::GetGlobalTemplateDir();
+            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::getGlobalTemplateDir();
             $files = $folder->getById($fileId);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "getFile: $fileId", "app" => $this->appName]);
@@ -689,12 +689,12 @@ private function getUrl($file, $user = null, $shareToken = null, $version = 0, $
             $data["template"] = true;
         }
 
-        $hashUrl = $this->crypt->GetHash($data);
+        $hashUrl = $this->crypt->getHash($data);
 
         $fileUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".callback.download", ["doc" => $hashUrl]);
 
-        if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $fileUrl);
+        if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $fileUrl);
         }
 
         return $fileUrl;
@@ -708,7 +708,7 @@ private function getUrl($file, $user = null, $shareToken = null, $version = 0, $
      * @return string
      */
     private function buildUserId($userId) {
-        $instanceId = $this->config->GetSystemValue("instanceid", true);
+        $instanceId = $this->config->getSystemValue("instanceid", true);
         $userId = $instanceId . "_" . $userId;
         return $userId;
     }
@@ -722,84 +722,84 @@ private function buildUserId($userId) {
      */
     private function setCustomization($params) {
         //default is true
-        if ($this->config->GetCustomizationChat() === false) {
+        if ($this->config->getCustomizationChat() === false) {
             $params["editorConfig"]["customization"]["chat"] = false;
         }
 
         //default is false
-        if ($this->config->GetCustomizationCompactHeader() === true) {
+        if ($this->config->getCustomizationCompactHeader() === true) {
             $params["editorConfig"]["customization"]["compactHeader"] = true;
         }
 
         //default is false
-        if ($this->config->GetCustomizationFeedback() === true) {
+        if ($this->config->getCustomizationFeedback() === true) {
             $params["editorConfig"]["customization"]["feedback"] = true;
         }
 
         //default is false
-        if ($this->config->GetCustomizationForcesave() === true) {
+        if ($this->config->getCustomizationForcesave() === true) {
             $params["editorConfig"]["customization"]["forcesave"] = true;
         }
 
         //default is true
-        if ($this->config->GetCustomizationHelp() === false) {
+        if ($this->config->getCustomizationHelp() === false) {
             $params["editorConfig"]["customization"]["help"] = false;
         }
 
         //default is original
-        $reviewDisplay = $this->config->GetCustomizationReviewDisplay();
+        $reviewDisplay = $this->config->getCustomizationReviewDisplay();
         if ($reviewDisplay !== "original") {
             $params["editorConfig"]["customization"]["reviewDisplay"] = $reviewDisplay;
         }
 
-        $theme = $this->config->GetCustomizationTheme();
+        $theme = $this->config->getCustomizationTheme();
         if (isset($theme)) {
             $params["editorConfig"]["customization"]["uiTheme"] = $theme;
         }
 
         //default is false
-        if ($this->config->GetCustomizationToolbarNoTabs() === true) {
+        if ($this->config->getCustomizationToolbarNoTabs() === true) {
             $params["editorConfig"]["customization"]["toolbarNoTabs"] = true;
         }
 
         //default is true
-        if ($this->config->GetCustomizationMacros() === false) {
+        if ($this->config->getCustomizationMacros() === false) {
             $params["editorConfig"]["customization"]["macros"] = false;
         }
 
         //default is true
-        if ($this->config->GetCustomizationPlugins() === false) {
+        if ($this->config->getCustomizationPlugins() === false) {
             $params["editorConfig"]["customization"]["plugins"] = false;
         }
 
         /* from system config */
 
-        $autosave = $this->config->GetSystemValue($this->config->_customization_autosave);
+        $autosave = $this->config->getSystemValue($this->config->_customization_autosave);
         if (isset($autosave)) {
             $params["editorConfig"]["customization"]["autosave"] = $autosave;
         }
 
-        $customer = $this->config->GetSystemValue($this->config->_customization_customer);
+        $customer = $this->config->getSystemValue($this->config->_customization_customer);
         if (isset($customer)) {
             $params["editorConfig"]["customization"]["customer"] = $customer;
         }
 
-        $loaderLogo = $this->config->GetSystemValue($this->config->_customization_loaderLogo);
+        $loaderLogo = $this->config->getSystemValue($this->config->_customization_loaderLogo);
         if (isset($loaderLogo)) {
             $params["editorConfig"]["customization"]["loaderLogo"] = $loaderLogo;
         }
 
-        $loaderName = $this->config->GetSystemValue($this->config->_customization_loaderName);
+        $loaderName = $this->config->getSystemValue($this->config->_customization_loaderName);
         if (isset($loaderName)) {
             $params["editorConfig"]["customization"]["loaderName"] = $loaderName;
         }
 
-        $logo = $this->config->GetSystemValue($this->config->_customization_logo);
+        $logo = $this->config->getSystemValue($this->config->_customization_logo);
         if (isset($logo)) {
             $params["editorConfig"]["customization"]["logo"] = $logo;
         }
 
-        $zoom = $this->config->GetSystemValue($this->config->_customization_zoom);
+        $zoom = $this->config->getSystemValue($this->config->_customization_zoom);
         if (isset($zoom)) {
             $params["editorConfig"]["customization"]["zoom"] = $zoom;
         }
@@ -869,7 +869,7 @@ private function setWatermark($params, $isPublic, $userId, $file) {
      * @return bool|string
      */
     private function getWatermarkText($isPublic, $userId, $file, $canEdit, $canDownload) {
-        $watermarkSettings = $this->config->GetWatermarkSettings();
+        $watermarkSettings = $this->config->getWatermarkSettings();
         if (!$watermarkSettings["enabled"]) {
             return false;
         }
diff --git a/controller/editorcontroller.php b/controller/editorcontroller.php
index 9219bd3c..69ce397b 100644
--- a/controller/editorcontroller.php
+++ b/controller/editorcontroller.php
@@ -256,7 +256,7 @@ public function create($name, $dir, $templateId = null, $targetId = 0, $shareTok
         }
 
         if (!empty($templateId)) {
-            $templateFile = TemplateManager::GetTemplate($templateId);
+            $templateFile = TemplateManager::getTemplate($templateId);
             if ($templateFile !== null) {
                 $template = $templateFile->getContent();
             }
@@ -272,14 +272,14 @@ public function create($name, $dir, $templateId = null, $targetId = 0, $shareTok
             $region = str_replace("_", "-", \OC::$server->getL10NFactory()->get("")->getLocaleCode());
             $documentService = new DocumentService($this->trans, $this->config);
             try {
-                $newFileUri = $documentService->GetConvertedUri($fileUrl, $targetExt, $ext, $targetKey, $region);
+                $newFileUri = $documentService->getConvertedUri($fileUrl, $targetExt, $ext, $targetKey, $region);
             } catch (\Exception $e) {
-                $this->logger->logException($e, ["message" => "GetConvertedUri: " . $targetFile->getId(), "app" => $this->appName]);
+                $this->logger->logException($e, ["message" => "getConvertedUri: " . $targetFile->getId(), "app" => $this->appName]);
                 return ["error" => $e->getMessage()];
             }
-            $template = $documentService->Request($newFileUri);
+            $template = $documentService->request($newFileUri);
         } else {
-            $template = TemplateManager::GetEmptyTemplate($name);
+            $template = TemplateManager::getEmptyTemplate($name);
         }
 
         if (!$template) {
@@ -582,7 +582,7 @@ public function reference($referenceData, $path = null) {
         $file = null;
         $fileId = (integer)($referenceData["fileKey"] ?? 0);
         if (!empty($fileId)
-            && $referenceData["instanceId"] === $this->config->GetSystemValue("instanceid", true)) {
+            && $referenceData["instanceId"] === $this->config->getSystemValue("instanceid", true)) {
             list($file, $error, $share) = $this->getFile($userId, $fileId);
         }
 
@@ -610,13 +610,13 @@ public function reference($referenceData, $path = null) {
             "path" => $userFolder->getRelativePath($file->getPath()),
             "referenceData" => [
                 "fileKey" => $file->getId(),
-                "instanceId" => $this->config->GetSystemValue("instanceid", true),
+                "instanceId" => $this->config->getSystemValue("instanceid", true),
             ],
             "url" => $this->getUrl($file, $user),
         ];
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $token = \Firebase\JWT\JWT::encode($response, $this->config->GetDocumentServerSecret(), "HS256");
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $token = \Firebase\JWT\JWT::encode($response, $this->config->getDocumentServerSecret(), "HS256");
             $response["token"] = $token;
         }
 
@@ -661,7 +661,7 @@ public function convert($fileId, $shareToken = null) {
 
         $fileName = $file->getName();
         $ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
-        $format = $this->config->FormatsSetting()[$ext];
+        $format = $this->config->formatsSetting()[$ext];
         if (!isset($format)) {
             $this->logger->info("Format for convertion not supported: $fileName", ["app" => $this->appName]);
             return ["error" => $this->trans->t("Format is not supported")];
@@ -688,9 +688,9 @@ public function convert($fileId, $shareToken = null) {
         $fileUrl = $this->getUrl($file, $user, $shareToken);
         $region = str_replace("_", "-", \OC::$server->getL10NFactory()->get("")->getLocaleCode());
         try {
-            $newFileUri = $documentService->GetConvertedUri($fileUrl, $ext, $internalExtension, $key, $region);
+            $newFileUri = $documentService->getConvertedUri($fileUrl, $ext, $internalExtension, $key, $region);
         } catch (\Exception $e) {
-            $this->logger->logException($e, ["message" => "GetConvertedUri: " . $file->getId(), "app" => $this->appName]);
+            $this->logger->logException($e, ["message" => "getConvertedUri: " . $file->getId(), "app" => $this->appName]);
             return ["error" => $e->getMessage()];
         }
 
@@ -700,7 +700,7 @@ public function convert($fileId, $shareToken = null) {
         }
 
         try {
-            $newData = $documentService->Request($newFileUri);
+            $newData = $documentService->request($newFileUri);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "Failed to download converted file", "app" => $this->appName]);
             return ["error" => $this->trans->t("Failed to download converted file")];
@@ -756,11 +756,11 @@ public function save($name, $dir, $url) {
             return ["error" => $this->trans->t("You don't have enough permission to create")];
         }
 
-        $url = $this->config->ReplaceDocumentServerUrlToInternal($url);
+        $url = $this->config->replaceDocumentServerUrlToInternal($url);
 
         try {
             $documentService = new DocumentService($this->trans, $this->config);
-            $newData = $documentService->Request($url);
+            $newData = $documentService->request($url);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "Failed to download file for saving: $url", "app" => $this->appName]);
             return ["error" => $this->trans->t("Download failed")];
@@ -836,7 +836,7 @@ public function history($fileId) {
             $versionNum = $versionNum + 1;
 
             $key = $this->fileUtility->getVersionKey($version);
-            $key = DocumentService::GenerateRevisionId($key);
+            $key = DocumentService::generateRevisionId($key);
 
             $historyItem = [
                 "created" => $version->getTimestamp(),
@@ -867,7 +867,7 @@ public function history($fileId) {
         }
 
         $key = $this->fileUtility->getKey($file, true);
-        $key = DocumentService::GenerateRevisionId($key);
+        $key = DocumentService::generateRevisionId($key);
 
         $historyItem = [
             "created" => $file->getMTime(),
@@ -963,7 +963,7 @@ public function version($fileId, $version) {
 
             $fileUrl = $this->getUrl($file, $user, null, $version);
         }
-        $key = DocumentService::GenerateRevisionId($key);
+        $key = DocumentService::generateRevisionId($key);
         $fileName = $file->getName();
         $ext = strtolower(pathinfo($fileName, PATHINFO_EXTENSION));
 
@@ -982,7 +982,7 @@ public function version($fileId, $version) {
 
             $prevVersion = array_values($versions)[$version - 2];
             $prevVersionKey = $this->fileUtility->getVersionKey($prevVersion);
-            $prevVersionKey = DocumentService::GenerateRevisionId($prevVersionKey);
+            $prevVersionKey = DocumentService::generateRevisionId($prevVersionKey);
 
             $prevVersionUrl = $this->getUrl($file, $user, null, $version - 1);
 
@@ -993,8 +993,8 @@ public function version($fileId, $version) {
             ];
         }
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $token = \Firebase\JWT\JWT::encode($result, $this->config->GetDocumentServerSecret(), "HS256");
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $token = \Firebase\JWT\JWT::encode($result, $this->config->getDocumentServerSecret(), "HS256");
             $result["token"] = $token;
         }
 
@@ -1094,8 +1094,8 @@ public function url($filePath) {
             "url" => $fileUrl
         ];
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
-            $token = \Firebase\JWT\JWT::encode($result, $this->config->GetDocumentServerSecret(), "HS256");
+        if (!empty($this->config->getDocumentServerSecret())) {
+            $token = \Firebase\JWT\JWT::encode($result, $this->config->getDocumentServerSecret(), "HS256");
             $result["token"] = $token;
         }
 
@@ -1122,7 +1122,7 @@ public function download($fileId, $toExtension = null, $template = false) {
         }
 
         if ($template) {
-            $templateFile = TemplateManager::GetTemplate($fileId);
+            $templateFile = TemplateManager::getTemplate($fileId);
             if (empty($templateFile)) {
                 $this->logger->info("Download: template not found: $fileId", ["app" => $this->appName]);
                 return $this->renderError($this->trans->t("File not found"));
@@ -1171,14 +1171,14 @@ public function download($fileId, $toExtension = null, $template = false) {
         $key = $this->fileUtility->getKey($file);
         $fileUrl = $this->getUrl($file, $user);
         try {
-            $newFileUri = $documentService->GetConvertedUri($fileUrl, $ext, $toExtension, $key);
+            $newFileUri = $documentService->getConvertedUri($fileUrl, $ext, $toExtension, $key);
         } catch (\Exception $e) {
-            $this->logger->logException($e, ["message" => "GetConvertedUri: " . $file->getId(), "app" => $this->appName]);
+            $this->logger->logException($e, ["message" => "getConvertedUri: " . $file->getId(), "app" => $this->appName]);
             return $this->renderError($e->getMessage());
         }
 
         try {
-            $newData = $documentService->Request($newFileUri);
+            $newData = $documentService->request($newFileUri);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "Failed to download converted file", "app" => $this->appName]);
             return $this->renderError($this->trans->t("Failed to download converted file"));
@@ -1187,7 +1187,7 @@ public function download($fileId, $toExtension = null, $template = false) {
         $fileNameWithoutExt = substr($fileName, 0, strlen($fileName) - strlen($ext) - 1);
         $newFileName = $fileNameWithoutExt . "." . $toExtension;
 
-        $formats = $this->config->FormatsSetting();
+        $formats = $this->config->formatsSetting();
 
         return new DataDownloadResponse($newData, $newFileName, $formats[$toExtension]["mime"]);
     }
@@ -1232,7 +1232,7 @@ public function index($fileId, $filePath = null, $shareToken = null, $version =
             return $this->renderError($this->trans->t("Not permitted"));
         }
 
-        $documentServerUrl = $this->config->GetDocumentServerUrl();
+        $documentServerUrl = $this->config->getDocumentServerUrl();
 
         if (empty($documentServerUrl)) {
             $this->logger->error("documentServerUrl is empty", ["app" => $this->appName]);
@@ -1299,7 +1299,7 @@ public function index($fileId, $filePath = null, $shareToken = null, $version =
      * @NoCSRFRequired
      * @PublicPage
      */
-    public function PublicPage($fileId, $shareToken, $version = 0, $inframe = false) {
+    public function publicPage($fileId, $shareToken, $version = 0, $inframe = false) {
         return $this->index($fileId, null, $shareToken, $version, $inframe);
     }
 
@@ -1319,7 +1319,7 @@ private function getFile($userId, $fileId, $filePath = null, $template = false)
         }
 
         try {
-            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::GetGlobalTemplateDir();
+            $folder = !$template ? $this->root->getUserFolder($userId) : TemplateManager::getGlobalTemplateDir();
             $files = $folder->getById($fileId);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "getFile: $fileId", "app" => $this->appName]);
@@ -1387,12 +1387,12 @@ private function getUrl($file, $user = null, $shareToken = null, $version = 0, $
             $data["template"] = true;
         }
 
-        $hashUrl = $this->crypt->GetHash($data);
+        $hashUrl = $this->crypt->getHash($data);
 
         $fileUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".callback.download", ["doc" => $hashUrl]);
 
-        if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $fileUrl);
+        if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $fileUrl);
         }
 
         return $fileUrl;
@@ -1421,7 +1421,7 @@ private function getShareExcludedGroups() {
      * @return string
      */
     private function buildUserId($userId) {
-        $instanceId = $this->config->GetSystemValue("instanceid", true);
+        $instanceId = $this->config->getSystemValue("instanceid", true);
         $userId = $instanceId . "_" . $userId;
         return $userId;
     }
diff --git a/controller/federationcontroller.php b/controller/federationcontroller.php
index c06af242..55e32b8c 100644
--- a/controller/federationcontroller.php
+++ b/controller/federationcontroller.php
@@ -105,7 +105,7 @@ public function key($shareToken, $path) {
 
         $key = $this->fileUtility->getKey($file, true);
 
-        $key = DocumentService::GenerateRevisionId($key);
+        $key = DocumentService::generateRevisionId($key);
 
         $this->logger->debug("Federated request get for " . $file->getId() . " key $key", ["app" => $this->appName]);
 
diff --git a/controller/joblistcontroller.php b/controller/joblistcontroller.php
index ee5f4752..8d536034 100644
--- a/controller/joblistcontroller.php
+++ b/controller/joblistcontroller.php
@@ -91,7 +91,7 @@ private function removeJob($job) {
      *
      */
     private function checkEditorsCheckJob() {
-        if ($this->config->GetEditorsCheckInterval() > 0) {
+        if ($this->config->getEditorsCheckInterval() > 0) {
             $this->addJob(EditorsCheck::class);
         } else {
             $this->removeJob(EditorsCheck::class);
diff --git a/controller/settingscontroller.php b/controller/settingscontroller.php
index 0e181196..5895d0e8 100644
--- a/controller/settingscontroller.php
+++ b/controller/settingscontroller.php
@@ -106,36 +106,36 @@ public function __construct(
      */
     public function index() {
         $data = [
-            "documentserver" => $this->config->GetDocumentServerUrl(true),
-            "documentserverInternal" => $this->config->GetDocumentServerInternalUrl(true),
-            "storageUrl" => $this->config->GetStorageUrl(),
-            "verifyPeerOff" => $this->config->GetVerifyPeerOff(),
-            "secret" => $this->config->GetDocumentServerSecret(true),
-            "jwtHeader" => $this->config->JwtHeader(true),
-            "demo" => $this->config->GetDemoData(),
+            "documentserver" => $this->config->getDocumentServerUrl(true),
+            "documentserverInternal" => $this->config->getDocumentServerInternalUrl(true),
+            "storageUrl" => $this->config->getStorageUrl(),
+            "verifyPeerOff" => $this->config->getVerifyPeerOff(),
+            "secret" => $this->config->getDocumentServerSecret(true),
+            "jwtHeader" => $this->config->jwtHeader(true),
+            "demo" => $this->config->getDemoData(),
             "currentServer" => $this->urlGenerator->getAbsoluteURL("/"),
-            "formats" => $this->config->FormatsSetting(),
-            "sameTab" => $this->config->GetSameTab(),
-            "preview" => $this->config->GetPreview(),
-            "advanced" => $this->config->GetAdvanced(),
-            "versionHistory" => $this->config->GetVersionHistory(),
-            "protection" => $this->config->GetProtection(),
-            "limitGroups" => $this->config->GetLimitGroups(),
-            "chat" => $this->config->GetCustomizationChat(),
-            "compactHeader" => $this->config->GetCustomizationCompactHeader(),
-            "feedback" => $this->config->GetCustomizationFeedback(),
-            "forcesave" => $this->config->GetCustomizationForcesave(),
-            "help" => $this->config->GetCustomizationHelp(),
-            "toolbarNoTabs" => $this->config->GetCustomizationToolbarNoTabs(),
-            "successful" => $this->config->SettingsAreSuccessful(),
-            "watermark" => $this->config->GetWatermarkSettings(),
-            "plugins" => $this->config->GetCustomizationPlugins(),
-            "macros" => $this->config->GetCustomizationMacros(),
+            "formats" => $this->config->formatsSetting(),
+            "sameTab" => $this->config->getSameTab(),
+            "preview" => $this->config->getPreview(),
+            "advanced" => $this->config->getAdvanced(),
+            "versionHistory" => $this->config->getVersionHistory(),
+            "protection" => $this->config->getProtection(),
+            "limitGroups" => $this->config->getLimitGroups(),
+            "chat" => $this->config->getCustomizationChat(),
+            "compactHeader" => $this->config->getCustomizationCompactHeader(),
+            "feedback" => $this->config->getCustomizationFeedback(),
+            "forcesave" => $this->config->getCustomizationForcesave(),
+            "help" => $this->config->getCustomizationHelp(),
+            "toolbarNoTabs" => $this->config->getCustomizationToolbarNoTabs(),
+            "successful" => $this->config->settingsAreSuccessful(),
+            "watermark" => $this->config->getWatermarkSettings(),
+            "plugins" => $this->config->getCustomizationPlugins(),
+            "macros" => $this->config->getCustomizationMacros(),
             "tagsEnabled" => \OC::$server->getAppManager()->isEnabledForUser("systemtags"),
-            "reviewDisplay" => $this->config->GetCustomizationReviewDisplay(),
-            "theme" => $this->config->GetCustomizationTheme(),
-            "templates" => $this->GetGlobalTemplates(),
-            "linkToDocs" => $this->config->GetLinkToDocs()
+            "reviewDisplay" => $this->config->getCustomizationReviewDisplay(),
+            "theme" => $this->config->getCustomizationTheme(),
+            "templates" => $this->getGlobalTemplates(),
+            "linkToDocs" => $this->config->getLinkToDocs()
         ];
         return new TemplateResponse($this->appName, "settings", $data, "blank");
     }
@@ -153,7 +153,7 @@ public function index() {
      *
      * @return array
      */
-    public function SaveAddress(
+    public function saveAddress(
         $documentserver,
         $documentserverInternal,
         $storageUrl,
@@ -163,35 +163,35 @@ public function SaveAddress(
         $demo
     ) {
         $error = null;
-        if (!$this->config->SelectDemo($demo === true)) {
+        if (!$this->config->selectDemo($demo === true)) {
             $error = $this->trans->t("The 30-day test period is over, you can no longer connect to demo ONLYOFFICE Docs server.");
         }
         if ($demo !== true) {
-            $this->config->SetDocumentServerUrl($documentserver);
-            $this->config->SetVerifyPeerOff($verifyPeerOff);
-            $this->config->SetDocumentServerInternalUrl($documentserverInternal);
-            $this->config->SetDocumentServerSecret($secret);
-            $this->config->SetJwtHeader($jwtHeader);
+            $this->config->setDocumentServerUrl($documentserver);
+            $this->config->setVerifyPeerOff($verifyPeerOff);
+            $this->config->setDocumentServerInternalUrl($documentserverInternal);
+            $this->config->setDocumentServerSecret($secret);
+            $this->config->setJwtHeader($jwtHeader);
         }
-        $this->config->SetStorageUrl($storageUrl);
+        $this->config->setStorageUrl($storageUrl);
 
         $version = null;
         if (empty($error)) {
-            $documentserver = $this->config->GetDocumentServerUrl();
+            $documentserver = $this->config->getDocumentServerUrl();
             if (!empty($documentserver)) {
                 $documentService = new DocumentService($this->trans, $this->config);
                 list($error, $version) = $documentService->checkDocServiceUrl($this->urlGenerator, $this->crypt);
-                $this->config->SetSettingsError($error);
+                $this->config->setSettingsError($error);
             }
         }
 
         return [
-            "documentserver" => $this->config->GetDocumentServerUrl(true),
-            "verifyPeerOff" => $this->config->GetVerifyPeerOff(),
-            "documentserverInternal" => $this->config->GetDocumentServerInternalUrl(true),
-            "storageUrl" => $this->config->GetStorageUrl(),
-            "secret" => $this->config->GetDocumentServerSecret(true),
-            "jwtHeader" => $this->config->JwtHeader(true),
+            "documentserver" => $this->config->getDocumentServerUrl(true),
+            "verifyPeerOff" => $this->config->getVerifyPeerOff(),
+            "documentserverInternal" => $this->config->getDocumentServerInternalUrl(true),
+            "storageUrl" => $this->config->getStorageUrl(),
+            "secret" => $this->config->getDocumentServerSecret(true),
+            "jwtHeader" => $this->config->jwtHeader(true),
             "error" => $error,
             "version" => $version,
         ];
@@ -217,7 +217,7 @@ public function SaveAddress(
      *
      * @return array
      */
-    public function SaveCommon(
+    public function saveCommon(
         $defFormats,
         $editFormats,
         $sameTab,
@@ -235,21 +235,21 @@ public function SaveCommon(
         $theme
     ) {
 
-        $this->config->SetDefaultFormats($defFormats);
-        $this->config->SetEditableFormats($editFormats);
-        $this->config->SetSameTab($sameTab);
-        $this->config->SetPreview($preview);
-        $this->config->SetAdvanced($advanced);
-        $this->config->SetVersionHistory($versionHistory);
-        $this->config->SetLimitGroups($limitGroups);
-        $this->config->SetCustomizationChat($chat);
-        $this->config->SetCustomizationCompactHeader($compactHeader);
-        $this->config->SetCustomizationFeedback($feedback);
-        $this->config->SetCustomizationForcesave($forcesave);
-        $this->config->SetCustomizationHelp($help);
-        $this->config->SetCustomizationToolbarNoTabs($toolbarNoTabs);
-        $this->config->SetCustomizationReviewDisplay($reviewDisplay);
-        $this->config->SetCustomizationTheme($theme);
+        $this->config->setDefaultFormats($defFormats);
+        $this->config->setEditableFormats($editFormats);
+        $this->config->setSameTab($sameTab);
+        $this->config->setPreview($preview);
+        $this->config->setAdvanced($advanced);
+        $this->config->setVersionHistory($versionHistory);
+        $this->config->setLimitGroups($limitGroups);
+        $this->config->setCustomizationChat($chat);
+        $this->config->setCustomizationCompactHeader($compactHeader);
+        $this->config->setCustomizationFeedback($feedback);
+        $this->config->setCustomizationForcesave($forcesave);
+        $this->config->setCustomizationHelp($help);
+        $this->config->setCustomizationToolbarNoTabs($toolbarNoTabs);
+        $this->config->setCustomizationReviewDisplay($reviewDisplay);
+        $this->config->setCustomizationTheme($theme);
 
         return [
         ];
@@ -265,7 +265,7 @@ public function SaveCommon(
      *
      * @return array
      */
-    public function SaveSecurity(
+    public function saveSecurity(
         $watermarks,
         $plugins,
         $macros,
@@ -279,10 +279,10 @@ public function SaveSecurity(
             }
         }
 
-        $this->config->SetWatermarkSettings($watermarks);
-        $this->config->SetCustomizationPlugins($plugins);
-        $this->config->SetCustomizationMacros($macros);
-        $this->config->SetProtection($protection);
+        $this->config->setWatermarkSettings($watermarks);
+        $this->config->setCustomizationPlugins($plugins);
+        $this->config->setCustomizationMacros($macros);
+        $this->config->setProtection($protection);
 
         return [
         ];
@@ -293,7 +293,7 @@ public function SaveSecurity(
      *
      * @return array
      */
-    public function ClearHistory() {
+    public function clearHistory() {
 
         FileVersions::clearHistory();
 
@@ -306,15 +306,15 @@ public function ClearHistory() {
      *
      * @return array
      */
-    private function GetGlobalTemplates() {
+    private function getGlobalTemplates() {
         $templates = [];
-        $templatesList = TemplateManager::GetGlobalTemplates();
+        $templatesList = TemplateManager::getGlobalTemplates();
 
         foreach ($templatesList as $templatesItem) {
             $template = [
                 "id" => $templatesItem->getId(),
                 "name" => $templatesItem->getName(),
-                "type" => TemplateManager::GetTypeTemplate($templatesItem->getMimeType())
+                "type" => TemplateManager::getTypeTemplate($templatesItem->getMimeType())
             ];
             array_push($templates, $template);
         }
diff --git a/controller/sharingapicontroller.php b/controller/sharingapicontroller.php
index e4693a46..65b9f6e1 100644
--- a/controller/sharingapicontroller.php
+++ b/controller/sharingapicontroller.php
@@ -118,7 +118,7 @@ public function __construct(
         $this->shareManager = $shareManager;
         $this->appConfig = $appConfig;
 
-        if ($this->appConfig->GetAdvanced()
+        if ($this->appConfig->getAdvanced()
             && \OC::$server->getAppManager()->isInstalled("files_sharing")) {
             $this->extraPermissions = new ExtraPermissions($AppName, $logger, $shareManager, $appConfig);
         }
diff --git a/controller/templatecontroller.php b/controller/templatecontroller.php
index d4e94f73..215074f9 100644
--- a/controller/templatecontroller.php
+++ b/controller/templatecontroller.php
@@ -83,15 +83,15 @@ public function __construct(
      *
      * @NoAdminRequired
      */
-    public function GetTemplates() {
-        $templatesList = TemplateManager::GetGlobalTemplates();
+    public function getTemplates() {
+        $templatesList = TemplateManager::getGlobalTemplates();
 
         $templates = [];
         foreach ($templatesList as $templatesItem) {
             $template = [
                 "id" => $templatesItem->getId(),
                 "name" => $templatesItem->getName(),
-                "type" => TemplateManager::GetTypeTemplate($templatesItem->getMimeType())
+                "type" => TemplateManager::getTypeTemplate($templatesItem->getMimeType())
             ];
             array_push($templates, $template);
         }
@@ -104,19 +104,19 @@ public function GetTemplates() {
      *
      * @return array
      */
-    public function AddTemplate() {
+    public function addTemplate() {
 
         $file = $this->request->getUploadedFile("file");
 
         if (!is_null($file)) {
             if (is_uploaded_file($file["tmp_name"]) && $file["error"] === 0) {
-                if (!TemplateManager::IsTemplateType($file["name"])) {
+                if (!TemplateManager::isTemplateType($file["name"])) {
                     return [
                         "error" => $this->trans->t("Template must be in OOXML format")
                     ];
                 }
 
-                $templateDir = TemplateManager::GetGlobalTemplateDir();
+                $templateDir = TemplateManager::getGlobalTemplateDir();
                 if ($templateDir->nodeExists($file["name"])) {
                     return [
                         "error" => $this->trans->t("Template already exists")
@@ -132,7 +132,7 @@ public function AddTemplate() {
                 $result = [
                     "id" => $fileInfo->getId(),
                     "name" => $fileInfo->getName(),
-                    "type" => TemplateManager::GetTypeTemplate($fileInfo->getMimeType())
+                    "type" => TemplateManager::getTypeTemplate($fileInfo->getMimeType())
                 ];
 
                 return $result;
@@ -151,13 +151,13 @@ public function AddTemplate() {
      *
      * @return array
      */
-    public function DeleteTemplate($templateId) {
-        $templateDir = TemplateManager::GetGlobalTemplateDir();
+    public function deleteTemplate($templateId) {
+        $templateDir = TemplateManager::getGlobalTemplateDir();
 
         try {
             $templates = $templateDir->getById($templateId);
         } catch (\Exception $e) {
-            $this->logger->logException($e, ["message" => "DeleteTemplate: $templateId", "app" => $this->AppName]);
+            $this->logger->logException($e, ["message" => "deleteTemplate: $templateId", "app" => $this->AppName]);
             return [
                 "error" => $this->trans->t("Failed to delete template")
             ];
@@ -195,7 +195,7 @@ public function preview($fileId, $x = 256, $y = 256, $crop = false, $mode = IPre
             return new DataResponse([], Http::STATUS_BAD_REQUEST);
         }
 
-        $template = TemplateManager::GetTemplate($fileId);
+        $template = TemplateManager::getTemplate($fileId);
         if (empty($template)) {
             $this->logger->error("Template not found: $fileId", ["app" => $this->appName]);
             return new DataResponse([], Http::STATUS_NOT_FOUND);
diff --git a/lib/appconfig.php b/lib/appconfig.php
index 01707fcb..3d568d3d 100644
--- a/lib/appconfig.php
+++ b/lib/appconfig.php
@@ -345,7 +345,7 @@ public function __construct($AppName) {
      *
      * @return string
      */
-    public function GetSystemValue($key, $system = false) {
+    public function getSystemValue($key, $system = false) {
         if ($system) {
             return $this->config->getSystemValue($key);
         }
@@ -363,10 +363,10 @@ public function GetSystemValue($key, $system = false) {
      *
      * @return bool
      */
-    public function SelectDemo($value) {
+    public function selectDemo($value) {
         $this->logger->info("Select demo: " . json_encode($value), ["app" => $this->appName]);
 
-        $data = $this->GetDemoData();
+        $data = $this->getDemoData();
 
         if ($value === true && !$data["available"]) {
             $this->logger->info("Trial demo is overdue: " . json_encode($data), ["app" => $this->appName]);
@@ -387,7 +387,7 @@ public function SelectDemo($value) {
      *
      * @return array
      */
-    public function GetDemoData() {
+    public function getDemoData() {
         $data = $this->config->getAppValue($this->appName, $this->_demo, "");
 
         if (empty($data)) {
@@ -416,8 +416,8 @@ public function GetDemoData() {
      *
      * @return bool
      */
-    public function UseDemo() {
-        return $this->GetDemoData()["enabled"] === true;
+    public function useDemo() {
+        return $this->getDemoData()["enabled"] === true;
     }
 
     /**
@@ -425,7 +425,7 @@ public function UseDemo() {
      *
      * @param string $documentServer - document service address
      */
-    public function SetDocumentServerUrl($documentServer) {
+    public function setDocumentServerUrl($documentServer) {
         $documentServer = trim($documentServer);
         if (strlen($documentServer) > 0) {
             $documentServer = rtrim($documentServer, "/") . "/";
@@ -434,7 +434,7 @@ public function SetDocumentServerUrl($documentServer) {
             }
         }
 
-        $this->logger->info("SetDocumentServerUrl: $documentServer", ["app" => $this->appName]);
+        $this->logger->info("setDocumentServerUrl: $documentServer", ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_documentserver, $documentServer);
     }
@@ -446,14 +446,14 @@ public function SetDocumentServerUrl($documentServer) {
      *
      * @return string
      */
-    public function GetDocumentServerUrl($origin = false) {
-        if (!$origin && $this->UseDemo()) {
+    public function getDocumentServerUrl($origin = false) {
+        if (!$origin && $this->useDemo()) {
             return $this->DEMO_PARAM["ADDR"];
         }
 
         $url = $this->config->getAppValue($this->appName, $this->_documentserver, "");
         if (empty($url)) {
-            $url = $this->GetSystemValue($this->_documentserver);
+            $url = $this->getSystemValue($this->_documentserver);
         }
         if ($url !== null && $url !== "/") {
             $url = rtrim($url, "/");
@@ -469,7 +469,7 @@ public function GetDocumentServerUrl($origin = false) {
      *
      * @param string $documentServerInternal - document service address
      */
-    public function SetDocumentServerInternalUrl($documentServerInternal) {
+    public function setDocumentServerInternalUrl($documentServerInternal) {
         $documentServerInternal = rtrim(trim($documentServerInternal), "/");
         if (strlen($documentServerInternal) > 0) {
             $documentServerInternal = $documentServerInternal . "/";
@@ -478,7 +478,7 @@ public function SetDocumentServerInternalUrl($documentServerInternal) {
             }
         }
 
-        $this->logger->info("SetDocumentServerInternalUrl: $documentServerInternal", ["app" => $this->appName]);
+        $this->logger->info("setDocumentServerInternalUrl: $documentServerInternal", ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_documentserverInternal, $documentServerInternal);
     }
@@ -490,17 +490,17 @@ public function SetDocumentServerInternalUrl($documentServerInternal) {
      *
      * @return string
      */
-    public function GetDocumentServerInternalUrl($origin = false) {
-        if (!$origin && $this->UseDemo()) {
-            return $this->GetDocumentServerUrl();
+    public function getDocumentServerInternalUrl($origin = false) {
+        if (!$origin && $this->useDemo()) {
+            return $this->getDocumentServerUrl();
         }
 
         $url = $this->config->getAppValue($this->appName, $this->_documentserverInternal, "");
         if (empty($url)) {
-            $url = $this->GetSystemValue($this->_documentserverInternal);
+            $url = $this->getSystemValue($this->_documentserverInternal);
         }
         if (!$origin && empty($url)) {
-            $url = $this->GetDocumentServerUrl();
+            $url = $this->getDocumentServerUrl();
         }
         return $url;
     }
@@ -512,10 +512,10 @@ public function GetDocumentServerInternalUrl($origin = false) {
      *
      * @return string
      */
-    public function ReplaceDocumentServerUrlToInternal($url) {
-        $documentServerUrl = $this->GetDocumentServerInternalUrl();
+    public function replaceDocumentServerUrlToInternal($url) {
+        $documentServerUrl = $this->getDocumentServerInternalUrl();
         if (!empty($documentServerUrl)) {
-            $from = $this->GetDocumentServerUrl();
+            $from = $this->getDocumentServerUrl();
 
             if (!preg_match("/^https?:\/\//i", $from)) {
                 $parsedUrl = parse_url($url);
@@ -536,7 +536,7 @@ public function ReplaceDocumentServerUrlToInternal($url) {
      *
      * @param string $documentServer - document service address
      */
-    public function SetStorageUrl($storageUrl) {
+    public function setStorageUrl($storageUrl) {
         $storageUrl = rtrim(trim($storageUrl), "/");
         if (strlen($storageUrl) > 0) {
             $storageUrl = $storageUrl . "/";
@@ -545,7 +545,7 @@ public function SetStorageUrl($storageUrl) {
             }
         }
 
-        $this->logger->info("SetStorageUrl: $storageUrl", ["app" => $this->appName]);
+        $this->logger->info("setStorageUrl: $storageUrl", ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_storageUrl, $storageUrl);
     }
@@ -555,10 +555,10 @@ public function SetStorageUrl($storageUrl) {
      *
      * @return string
      */
-    public function GetStorageUrl() {
+    public function getStorageUrl() {
         $url = $this->config->getAppValue($this->appName, $this->_storageUrl, "");
         if (empty($url)) {
-            $url = $this->GetSystemValue($this->_storageUrl);
+            $url = $this->getSystemValue($this->_storageUrl);
         }
         return $url;
     }
@@ -568,7 +568,7 @@ public function GetStorageUrl() {
      *
      * @param string $secret - secret key
      */
-    public function SetDocumentServerSecret($secret) {
+    public function setDocumentServerSecret($secret) {
         $secret = trim($secret);
         if (empty($secret)) {
             $this->logger->info("Clear secret key", ["app" => $this->appName]);
@@ -586,14 +586,14 @@ public function SetDocumentServerSecret($secret) {
      *
      * @return string
      */
-    public function GetDocumentServerSecret($origin = false) {
-        if (!$origin && $this->UseDemo()) {
+    public function getDocumentServerSecret($origin = false) {
+        if (!$origin && $this->useDemo()) {
             return $this->DEMO_PARAM["SECRET"];
         }
 
         $secret = $this->config->getAppValue($this->appName, $this->_jwtSecret, "");
         if (empty($secret)) {
-            $secret = $this->GetSystemValue($this->_jwtSecret);
+            $secret = $this->getSystemValue($this->_jwtSecret);
         }
         return $secret;
     }
@@ -603,10 +603,10 @@ public function GetDocumentServerSecret($origin = false) {
      *
      * @return string
      */
-    public function GetSKey() {
-        $secret = $this->GetDocumentServerSecret();
+    public function getSKey() {
+        $secret = $this->getDocumentServerSecret();
         if (empty($secret)) {
-            $secret = $this->GetSystemValue($this->_cryptSecret, true);
+            $secret = $this->getSystemValue($this->_cryptSecret, true);
         }
         return $secret;
     }
@@ -616,7 +616,7 @@ public function GetSKey() {
      *
      * @param array $formats - formats with status
      */
-    public function SetDefaultFormats($formats) {
+    public function setDefaultFormats($formats) {
         $value = json_encode($formats);
         $this->logger->info("Set default formats: $value", ["app" => $this->appName]);
 
@@ -628,7 +628,7 @@ public function SetDefaultFormats($formats) {
      *
      * @return array
      */
-    private function GetDefaultFormats() {
+    private function getDefaultFormats() {
         $value = $this->config->getAppValue($this->appName, $this->_defFormats, "");
         if (empty($value)) {
             return array();
@@ -641,7 +641,7 @@ private function GetDefaultFormats() {
      *
      * @param array $formats - formats with status
      */
-    public function SetEditableFormats($formats) {
+    public function setEditableFormats($formats) {
         $value = json_encode($formats);
         $this->logger->info("Set editing formats: $value", ["app" => $this->appName]);
 
@@ -653,7 +653,7 @@ public function SetEditableFormats($formats) {
      *
      * @return array
      */
-    private function GetEditableFormats() {
+    private function getEditableFormats() {
         $value = $this->config->getAppValue($this->appName, $this->_editFormats, "");
         if (empty($value)) {
             return array();
@@ -666,7 +666,7 @@ private function GetEditableFormats() {
      *
      * @param bool $value - same tab
      */
-    public function SetSameTab($value) {
+    public function setSameTab($value) {
         $this->logger->info("Set opening in a same tab: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_sameTab, json_encode($value));
@@ -677,7 +677,7 @@ public function SetSameTab($value) {
      *
      * @return bool
      */
-    public function GetSameTab() {
+    public function getSameTab() {
         return $this->config->getAppValue($this->appName, $this->_sameTab, "true") === "true";
     }
 
@@ -686,7 +686,7 @@ public function GetSameTab() {
      *
      * @param bool $value - preview
      */
-    public function SetPreview($value) {
+    public function setPreview($value) {
         $this->logger->info("Set generate preview: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_preview, json_encode($value));
@@ -697,7 +697,7 @@ public function SetPreview($value) {
      *
      * @return bool
      */
-    public function GetAdvanced() {
+    public function getAdvanced() {
         return $this->config->getAppValue($this->appName, $this->_advanced, "false") === "true";
     }
 
@@ -706,7 +706,7 @@ public function GetAdvanced() {
      *
      * @param bool $value - advanced
      */
-    public function SetAdvanced($value) {
+    public function setAdvanced($value) {
         $this->logger->info("Set advanced: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_advanced, json_encode($value));
@@ -717,7 +717,7 @@ public function SetAdvanced($value) {
      *
      * @return bool
      */
-    public function GetPreview() {
+    public function getPreview() {
         return $this->config->getAppValue($this->appName, $this->_preview, "true") === "true";
     }
 
@@ -726,7 +726,7 @@ public function GetPreview() {
      *
      * @param bool $value - version history
      */
-    public function SetVersionHistory($value) {
+    public function setVersionHistory($value) {
         $this->logger->info("Set keep versions history: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_versionHistory, json_encode($value));
@@ -737,7 +737,7 @@ public function SetVersionHistory($value) {
      *
      * @return bool
      */
-    public function GetVersionHistory() {
+    public function getVersionHistory() {
         return $this->config->getAppValue($this->appName, $this->_versionHistory, "true") === "true";
     }
 
@@ -746,7 +746,7 @@ public function GetVersionHistory() {
      *
      * @param bool $value - version history
      */
-    public function SetProtection($value) {
+    public function setProtection($value) {
         $this->logger->info("Set protection: " . $value, ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_protection, $value);
@@ -757,7 +757,7 @@ public function SetProtection($value) {
      *
      * @return bool
      */
-    public function GetProtection() {
+    public function getProtection() {
         $value = $this->config->getAppValue($this->appName, $this->_protection, "owner");
         if ($value === "all") {
             return "all";
@@ -770,7 +770,7 @@ public function GetProtection() {
      *
      * @param bool $value - display chat
      */
-    public function SetCustomizationChat($value) {
+    public function setCustomizationChat($value) {
         $this->logger->info("Set chat display: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationChat, json_encode($value));
@@ -781,7 +781,7 @@ public function SetCustomizationChat($value) {
      *
      * @return bool
      */
-    public function GetCustomizationChat() {
+    public function getCustomizationChat() {
         return $this->config->getAppValue($this->appName, $this->_customizationChat, "true") === "true";
     }
 
@@ -790,7 +790,7 @@ public function GetCustomizationChat() {
      *
      * @param bool $value - display compact header
      */
-    public function SetCustomizationCompactHeader($value) {
+    public function setCustomizationCompactHeader($value) {
         $this->logger->info("Set compact header display: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationCompactHeader, json_encode($value));
@@ -801,7 +801,7 @@ public function SetCustomizationCompactHeader($value) {
      *
      * @return bool
      */
-    public function GetCustomizationCompactHeader() {
+    public function getCustomizationCompactHeader() {
         return $this->config->getAppValue($this->appName, $this->_customizationCompactHeader, "true") === "true";
     }
 
@@ -810,7 +810,7 @@ public function GetCustomizationCompactHeader() {
      *
      * @param bool $value - display feedback
      */
-    public function SetCustomizationFeedback($value) {
+    public function setCustomizationFeedback($value) {
         $this->logger->info("Set feedback display: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationFeedback, json_encode($value));
@@ -821,7 +821,7 @@ public function SetCustomizationFeedback($value) {
      *
      * @return bool
      */
-    public function GetCustomizationFeedback() {
+    public function getCustomizationFeedback() {
         return $this->config->getAppValue($this->appName, $this->_customizationFeedback, "true") === "true";
     }
 
@@ -830,7 +830,7 @@ public function GetCustomizationFeedback() {
      *
      * @param bool $value - forcesave
      */
-    public function SetCustomizationForcesave($value) {
+    public function setCustomizationForcesave($value) {
         $this->logger->info("Set forcesave: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationForcesave, json_encode($value));
@@ -841,7 +841,7 @@ public function SetCustomizationForcesave($value) {
      *
      * @return bool
      */
-    public function GetCustomizationForcesave() {
+    public function getCustomizationForcesave() {
         return $this->config->getAppValue($this->appName, $this->_customizationForcesave, "false") === "true";
     }
 
@@ -850,7 +850,7 @@ public function GetCustomizationForcesave() {
      *
      * @param bool $value - display help
      */
-    public function SetCustomizationHelp($value) {
+    public function setCustomizationHelp($value) {
         $this->logger->info("Set help display: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationHelp, json_encode($value));
@@ -861,7 +861,7 @@ public function SetCustomizationHelp($value) {
      *
      * @return bool
      */
-    public function GetCustomizationHelp() {
+    public function getCustomizationHelp() {
         return $this->config->getAppValue($this->appName, $this->_customizationHelp, "true") === "true";
     }
 
@@ -870,7 +870,7 @@ public function GetCustomizationHelp() {
      *
      * @param bool $value - without tabs
      */
-    public function SetCustomizationToolbarNoTabs($value) {
+    public function setCustomizationToolbarNoTabs($value) {
         $this->logger->info("Set without tabs: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationToolbarNoTabs, json_encode($value));
@@ -881,7 +881,7 @@ public function SetCustomizationToolbarNoTabs($value) {
      *
      * @return bool
      */
-    public function GetCustomizationToolbarNoTabs() {
+    public function getCustomizationToolbarNoTabs() {
         return $this->config->getAppValue($this->appName, $this->_customizationToolbarNoTabs, "true") === "true";
     }
 
@@ -890,7 +890,7 @@ public function GetCustomizationToolbarNoTabs() {
      *
      * @param string $value - review mode
      */
-    public function SetCustomizationReviewDisplay($value) {
+    public function setCustomizationReviewDisplay($value) {
         $this->logger->info("Set review mode: " . $value, array("app" => $this->appName));
 
         $this->config->setAppValue($this->appName, $this->_customizationReviewDisplay, $value);
@@ -901,7 +901,7 @@ public function SetCustomizationReviewDisplay($value) {
      *
      * @return string
      */
-    public function GetCustomizationReviewDisplay() {
+    public function getCustomizationReviewDisplay() {
         $value = $this->config->getAppValue($this->appName, $this->_customizationReviewDisplay, "original");
         if ($value === "markup") {
             return "markup";
@@ -917,7 +917,7 @@ public function GetCustomizationReviewDisplay() {
      *
      * @param string $value - theme
      */
-    public function SetCustomizationTheme($value) {
+    public function setCustomizationTheme($value) {
         $this->logger->info("Set theme: " . $value, array("app" => $this->appName));
 
         $this->config->setAppValue($this->appName, $this->_customizationTheme, $value);
@@ -928,7 +928,7 @@ public function SetCustomizationTheme($value) {
      *
      * @return string
      */
-    public function GetCustomizationTheme() {
+    public function getCustomizationTheme() {
         $value = $this->config->getAppValue($this->appName, $this->_customizationTheme, "theme-classic-light");
         if ($value === "theme-light") {
             return "theme-light";
@@ -944,7 +944,7 @@ public function GetCustomizationTheme() {
      *
      * @param array $settings - watermark settings
      */
-    public function SetWatermarkSettings($settings) {
+    public function setWatermarkSettings($settings) {
         $this->logger->info("Set watermark enabled: " . $settings["enabled"], ["app" => $this->appName]);
 
         if ($settings["enabled"] !== "true") {
@@ -992,7 +992,7 @@ public function SetWatermarkSettings($settings) {
      *
      * @return bool|array
      */
-    public function GetWatermarkSettings() {
+    public function getWatermarkSettings() {
         $result = [
             "text" => $this->config->getAppValue(AppConfig::WATERMARK_APP_NAMESPACE, "watermark_text", "{userId}, {date}"),
         ];
@@ -1034,7 +1034,7 @@ public function GetWatermarkSettings() {
      *
      * @param array $groups - the list of groups
      */
-    public function SetLimitGroups($groups) {
+    public function setLimitGroups($groups) {
         if (!is_array($groups)) {
             $groups = array();
         }
@@ -1049,7 +1049,7 @@ public function SetLimitGroups($groups) {
      *
      * @return array
      */
-    public function GetLimitGroups() {
+    public function getLimitGroups() {
         $value = $this->config->getAppValue($this->appName, $this->_groups, "");
         if (empty($value)) {
             return array();
@@ -1075,7 +1075,7 @@ public function isUserAllowedToUse($userId = null) {
             return false;
         }
 
-        $groups = $this->GetLimitGroups();
+        $groups = $this->getLimitGroups();
         // no group set -> all users are allowed
         if (count($groups) === 0) {
             return true;
@@ -1095,7 +1095,7 @@ public function isUserAllowedToUse($userId = null) {
             $group = \OC::$server->getGroupManager()->get($groupName);
             if ($group === null) {
                 \OC::$server->getLogger()->error("Group is unknown $groupName", ["app" => $this->appName]);
-                $this->SetLimitGroups(array_diff($groups, [$groupName]));
+                $this->setLimitGroups(array_diff($groups, [$groupName]));
             } else {
                 if ($group->inGroup($user)) {
                     return true;
@@ -1111,8 +1111,8 @@ public function isUserAllowedToUse($userId = null) {
      *
      * @param bool $verifyPeerOff - parameter verification setting
      */
-    public function SetVerifyPeerOff($verifyPeerOff) {
-        $this->logger->info("SetVerifyPeerOff " . json_encode($verifyPeerOff), ["app" => $this->appName]);
+    public function setVerifyPeerOff($verifyPeerOff) {
+        $this->logger->info("setVerifyPeerOff " . json_encode($verifyPeerOff), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_verification, json_encode($verifyPeerOff));
     }
@@ -1122,14 +1122,14 @@ public function SetVerifyPeerOff($verifyPeerOff) {
      *
      * @return bool
      */
-    public function GetVerifyPeerOff() {
+    public function getVerifyPeerOff() {
         $turnOff = $this->config->getAppValue($this->appName, $this->_verification, "");
 
         if (!empty($turnOff)) {
             return $turnOff === "true";
         }
 
-        return $this->GetSystemValue($this->_verification);
+        return $this->getSystemValue($this->_verification);
     }
 
     /**
@@ -1137,8 +1137,8 @@ public function GetVerifyPeerOff() {
      *
      * @return int
      */
-    public function GetLimitThumbSize() {
-        $limitSize = (integer)$this->GetSystemValue($this->_limitThumbSize);
+    public function getLimitThumbSize() {
+        $limitSize = (integer)$this->getSystemValue($this->_limitThumbSize);
 
         if (!empty($limitSize)) {
             return $limitSize;
@@ -1154,14 +1154,14 @@ public function GetLimitThumbSize() {
      *
      * @return string
      */
-    public function JwtHeader($origin = false) {
-        if (!$origin && $this->UseDemo()) {
+    public function jwtHeader($origin = false) {
+        if (!$origin && $this->useDemo()) {
             return $this->DEMO_PARAM["HEADER"];
         }
 
         $header = $this->config->getAppValue($this->appName, $this->_jwtHeader, "");
         if (empty($header)) {
-            $header = $this->GetSystemValue($this->_jwtHeader);
+            $header = $this->getSystemValue($this->_jwtHeader);
         }
         if (!$origin && empty($header)) {
             $header = "Authorization";
@@ -1174,7 +1174,7 @@ public function JwtHeader($origin = false) {
      *
      * @param string $value - jwtHeader
      */
-    public function SetJwtHeader($value) {
+    public function setJwtHeader($value) {
         $value = trim($value);
         if (empty($value)) {
             $this->logger->info("Clear header key", ["app" => $this->appName]);
@@ -1190,8 +1190,8 @@ public function SetJwtHeader($value) {
      *
      * @return int
      */
-    public function GetJwtLeeway() {
-        $jwtLeeway = (integer)$this->GetSystemValue($this->_jwtLeeway);
+    public function getJwtLeeway() {
+        $jwtLeeway = (integer)$this->getSystemValue($this->_jwtLeeway);
 
         return $jwtLeeway;
     }
@@ -1201,7 +1201,7 @@ public function GetJwtLeeway() {
      *
      * @param string $value - error
      */
-    public function SetSettingsError($value) {
+    public function setSettingsError($value) {
         $this->config->setAppValue($this->appName, $this->_settingsError, $value);
     }
 
@@ -1210,7 +1210,7 @@ public function SetSettingsError($value) {
      *
      * @return bool
      */
-    public function SettingsAreSuccessful() {
+    public function settingsAreSuccessful() {
         return empty($this->config->getAppValue($this->appName, $this->_settingsError, ""));
     }
 
@@ -1221,17 +1221,17 @@ public function SettingsAreSuccessful() {
      *
      * @NoAdminRequired
      */
-    public function FormatsSetting() {
+    public function formatsSetting() {
         $result = $this->formats;
 
-        $defFormats = $this->GetDefaultFormats();
+        $defFormats = $this->getDefaultFormats();
         foreach ($defFormats as $format => $setting) {
             if (array_key_exists($format, $result)) {
                 $result[$format]["def"] = ($setting === true || $setting === "true");
             }
         }
 
-        $editFormats = $this->GetEditableFormats();
+        $editFormats = $this->getEditableFormats();
         foreach ($editFormats as $format => $setting) {
             if (array_key_exists($format, $result)) {
                 $result[$format]["edit"] = ($setting === true || $setting === "true");
@@ -1246,7 +1246,7 @@ public function FormatsSetting() {
      *
      * @param bool $value - enable macros
      */
-    public function SetCustomizationMacros($value) {
+    public function setCustomizationMacros($value) {
         $this->logger->info("Set macros enabled: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationMacros, json_encode($value));
@@ -1257,7 +1257,7 @@ public function SetCustomizationMacros($value) {
      *
      * @return bool
      */
-    public function GetCustomizationMacros() {
+    public function getCustomizationMacros() {
         return $this->config->getAppValue($this->appName, $this->_customizationMacros, "true") === "true";
     }
 
@@ -1266,7 +1266,7 @@ public function GetCustomizationMacros() {
      *
      * @param bool $value - enable macros
      */
-    public function SetCustomizationPlugins($value) {
+    public function setCustomizationPlugins($value) {
         $this->logger->info("Set plugins enabled: " . json_encode($value), ["app" => $this->appName]);
 
         $this->config->setAppValue($this->appName, $this->_customizationPlugins, json_encode($value));
@@ -1277,7 +1277,7 @@ public function SetCustomizationPlugins($value) {
      *
      * @return bool
      */
-    public function GetCustomizationPlugins() {
+    public function getCustomizationPlugins() {
         return $this->config->getAppValue($this->appName, $this->_customizationPlugins, "true") === "true";
     }
 
@@ -1286,8 +1286,8 @@ public function GetCustomizationPlugins() {
      *
      * @return int
      */
-    public function GetEditorsCheckInterval() {
-        $interval = $this->GetSystemValue($this->_editors_check_interval);
+    public function getEditorsCheckInterval() {
+        $interval = $this->getSystemValue($this->_editors_check_interval);
 
         if (empty($interval) && $interval !== 0) {
             $interval = 60 * 60 * 24;
@@ -1355,7 +1355,7 @@ public function GetEditorsCheckInterval() {
      *
      * @return string
      */
-    public function GetLinkToDocs() {
+    public function getLinkToDocs() {
         return $this->linkToDocs;
     }
 }
diff --git a/lib/command/documentserver.php b/lib/command/documentserver.php
index 9ba0ae80..080155a6 100644
--- a/lib/command/documentserver.php
+++ b/lib/command/documentserver.php
@@ -106,7 +106,7 @@ protected function configure() {
     protected function execute(InputInterface $input, OutputInterface $output) {
         $check = $input->getOption("check");
 
-        $documentserver = $this->config->GetDocumentServerUrl(true);
+        $documentserver = $this->config->getDocumentServerUrl(true);
         if (empty($documentserver)) {
             $output->writeln("<info>Document server is not configured</info>");
             return 1;
@@ -116,7 +116,7 @@ protected function execute(InputInterface $input, OutputInterface $output) {
             $documentService = new DocumentService($this->trans, $this->config);
 
             list($error, $version) = $documentService->checkDocServiceUrl($this->urlGenerator, $this->crypt);
-            $this->config->SetSettingsError($error);
+            $this->config->setSettingsError($error);
 
             if (!empty($error)) {
                 $output->writeln("<error>Error connection: $error</error>");
diff --git a/lib/cron/editorscheck.php b/lib/cron/editorscheck.php
index a82a6273..81edd3d1 100644
--- a/lib/cron/editorscheck.php
+++ b/lib/cron/editorscheck.php
@@ -112,7 +112,7 @@ public function __construct(
         $this->trans = $trans;
         $this->crypt = $crypt;
         $this->groupManager = $groupManager;
-        $this->setInterval($this->config->GetEditorsCheckInterval());
+        $this->setInterval($this->config->getEditorsCheckInterval());
         $this->setTimeSensitivity(IJob::TIME_SENSITIVE);
     }
 
@@ -122,17 +122,17 @@ public function __construct(
      * @param array $argument unused argument
      */
     protected function run($argument) {
-        if (empty($this->config->GetDocumentServerUrl())) {
+        if (empty($this->config->getDocumentServerUrl())) {
             $this->logger->debug("Settings are empty", ["app" => $this->appName]);
             return;
         }
-        if (!$this->config->SettingsAreSuccessful()) {
+        if (!$this->config->settingsAreSuccessful()) {
             $this->logger->debug("Settings are not correct", ["app" => $this->appName]);
             return;
         }
         $fileUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".callback.emptyfile");
-        if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $fileUrl);
+        if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $fileUrl);
         }
         $host = parse_url($fileUrl)["host"];
         if ($host === "localhost" || $host === "127.0.0.1") {
@@ -147,7 +147,7 @@ protected function run($argument) {
 
         if (!empty($error)) {
             $this->logger->info("ONLYOFFICE server is not available", ["app" => $this->appName]);
-            $this->config->SetSettingsError($error);
+            $this->config->setSettingsError($error);
             $this->notifyAdmins();
         } else {
             $this->logger->debug("ONLYOFFICE server availability check is finished successfully", ["app" => $this->appName]);
diff --git a/lib/crypt.php b/lib/crypt.php
index f55259bd..7b9cd45a 100644
--- a/lib/crypt.php
+++ b/lib/crypt.php
@@ -47,8 +47,8 @@ public function __construct(AppConfig $appConfig) {
      *
      * @return string
      */
-    public function GetHash($object) {
-        return \Firebase\JWT\JWT::encode($object, $this->config->GetSKey(), "HS256");
+    public function getHash($object) {
+        return \Firebase\JWT\JWT::encode($object, $this->config->getSKey(), "HS256");
     }
 
     /**
@@ -58,14 +58,14 @@ public function GetHash($object) {
      *
      * @return array
      */
-    public function ReadHash($token) {
+    public function readHash($token) {
         $result = null;
         $error = null;
         if ($token === null) {
             return [$result, "token is empty"];
         }
         try {
-            $result = \Firebase\JWT\JWT::decode($token, new \Firebase\JWT\Key($this->config->GetSKey(), "HS256"));
+            $result = \Firebase\JWT\JWT::decode($token, new \Firebase\JWT\Key($this->config->getSKey(), "HS256"));
         } catch (\UnexpectedValueException $e) {
             $error = $e->getMessage();
         }
diff --git a/lib/directeditor.php b/lib/directeditor.php
index 90389d0f..67c9c574 100644
--- a/lib/directeditor.php
+++ b/lib/directeditor.php
@@ -130,7 +130,7 @@ public function getMimetypes(): array {
             return $mimes;
         }
 
-        $formats = $this->config->FormatsSetting();
+        $formats = $this->config->formatsSetting();
         foreach ($formats as $format => $setting) {
             if (array_key_exists("edit", $setting) && $setting["edit"]
                 && array_key_exists("def", $setting) && $setting["def"]) {
@@ -152,7 +152,7 @@ public function getMimetypesOptional(): array {
             return $mimes;
         }
 
-        $formats = $this->config->FormatsSetting();
+        $formats = $this->config->formatsSetting();
         foreach ($formats as $format => $setting) {
             if (array_key_exists("edit", $setting) && $setting["edit"]
                 && (!array_key_exists("def", $setting) || !$setting["def"])) {
@@ -213,14 +213,14 @@ public function open(IToken $token): Response {
                 return $this->renderError($this->trans->t("Not permitted"));
             }
 
-            $documentServerUrl = $this->config->GetDocumentServerUrl();
+            $documentServerUrl = $this->config->getDocumentServerUrl();
 
             if (empty($documentServerUrl)) {
                 $this->logger->error("documentServerUrl is empty", ["app" => $this->appName]);
                 return $this->renderError($this->trans->t("ONLYOFFICE app is not configured. Please contact admin"));
             }
 
-            $directToken = $this->crypt->GetHash([
+            $directToken = $this->crypt->getHash([
                 "userId" => $userId,
                 "fileId" => $fileId,
                 "action" => "direct",
diff --git a/lib/documentservice.php b/lib/documentservice.php
index 7d5b9312..bbb96ca9 100644
--- a/lib/documentservice.php
+++ b/lib/documentservice.php
@@ -65,7 +65,7 @@ public function __construct(IL10N $trans, AppConfig $appConfig) {
      *
      * @return string
      */
-    public static function GenerateRevisionId($expected_key) {
+    public static function generateRevisionId($expected_key) {
         if (strlen($expected_key) > 20) {
             $expected_key = crc32($expected_key);
         }
@@ -85,12 +85,12 @@ public static function GenerateRevisionId($expected_key) {
      *
      * @return string
      */
-    public function GetConvertedUri($document_uri, $from_extension, $to_extension, $document_revision_id, $region = null) {
-        $responceFromConvertService = $this->SendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, false, $region);
+    public function getConvertedUri($document_uri, $from_extension, $to_extension, $document_revision_id, $region = null) {
+        $responceFromConvertService = $this->sendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, false, $region);
 
         $errorElement = $responceFromConvertService->Error;
         if ($errorElement->count() > 0) {
-            $this->ProcessConvServResponceError($errorElement . "");
+            $this->processConvServResponceError($errorElement . "");
         }
 
         $isEndConvert = $responceFromConvertService->EndConvert;
@@ -114,8 +114,8 @@ public function GetConvertedUri($document_uri, $from_extension, $to_extension, $
      *
      * @return array
      */
-    public function SendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, $is_async, $region = null) {
-        $documentServerUrl = $this->config->GetDocumentServerInternalUrl();
+    public function sendRequestToConvertService($document_uri, $from_extension, $to_extension, $document_revision_id, $is_async, $region = null) {
+        $documentServerUrl = $this->config->getDocumentServerInternalUrl();
 
         if (empty($documentServerUrl)) {
             throw new \Exception($this->trans->t("ONLYOFFICE app is not configured. Please contact admin"));
@@ -127,7 +127,7 @@ public function SendRequestToConvertService($document_uri, $from_extension, $to_
             $document_revision_id = $document_uri;
         }
 
-        $document_revision_id = self::GenerateRevisionId($document_revision_id);
+        $document_revision_id = self::generateRevisionId($document_revision_id);
 
         if (empty($from_extension)) {
             $from_extension = pathinfo($document_uri)["extension"];
@@ -148,8 +148,8 @@ public function SendRequestToConvertService($document_uri, $from_extension, $to_
             $data["region"] = $region;
         }
 
-        if ($this->config->UseDemo()) {
-            $data["tenant"] = $this->config->GetSystemValue("instanceid", true);
+        if ($this->config->useDemo()) {
+            $data["tenant"] = $this->config->getSystemValue("instanceid", true);
         }
 
         $opts = [
@@ -160,19 +160,19 @@ public function SendRequestToConvertService($document_uri, $from_extension, $to_
             "body" => json_encode($data)
         ];
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
+        if (!empty($this->config->getDocumentServerSecret())) {
             $params = [
                 "payload" => $data
             ];
-            $token = \Firebase\JWT\JWT::encode($params, $this->config->GetDocumentServerSecret(), "HS256");
-            $opts["headers"][$this->config->JwtHeader()] = "Bearer " . $token;
+            $token = \Firebase\JWT\JWT::encode($params, $this->config->getDocumentServerSecret(), "HS256");
+            $opts["headers"][$this->config->jwtHeader()] = "Bearer " . $token;
 
-            $token = \Firebase\JWT\JWT::encode($data, $this->config->GetDocumentServerSecret(), "HS256");
+            $token = \Firebase\JWT\JWT::encode($data, $this->config->getDocumentServerSecret(), "HS256");
             $data["token"] = $token;
             $opts["body"] = json_encode($data);
         }
 
-        $response_xml_data = $this->Request($urlToConverter, "post", $opts);
+        $response_xml_data = $this->request($urlToConverter, "post", $opts);
 
         libxml_use_internal_errors(true);
         if (!function_exists("simplexml_load_file")) {
@@ -197,7 +197,7 @@ public function SendRequestToConvertService($document_uri, $from_extension, $to_
      *
      * @return null
      */
-    public function ProcessConvServResponceError($errorCode) {
+    public function processConvServResponceError($errorCode) {
         $errorMessageTemplate = $this->trans->t("Error occurred in the document service");
         $errorMessage = "";
 
@@ -244,9 +244,9 @@ public function ProcessConvServResponceError($errorCode) {
      *
      * @return bool
      */
-    public function HealthcheckRequest() {
+    public function healthcheckRequest() {
 
-        $documentServerUrl = $this->config->GetDocumentServerInternalUrl();
+        $documentServerUrl = $this->config->getDocumentServerInternalUrl();
 
         if (empty($documentServerUrl)) {
             throw new \Exception($this->trans->t("ONLYOFFICE app is not configured. Please contact admin"));
@@ -254,7 +254,7 @@ public function HealthcheckRequest() {
 
         $urlHealthcheck = $documentServerUrl . "healthcheck";
 
-        $response = $this->Request($urlHealthcheck);
+        $response = $this->request($urlHealthcheck);
 
         return $response === "true";
     }
@@ -266,9 +266,9 @@ public function HealthcheckRequest() {
      *
      * @return array
      */
-    public function CommandRequest($method) {
+    public function commandRequest($method) {
 
-        $documentServerUrl = $this->config->GetDocumentServerInternalUrl();
+        $documentServerUrl = $this->config->getDocumentServerInternalUrl();
 
         if (empty($documentServerUrl)) {
             throw new \Exception($this->trans->t("ONLYOFFICE app is not configured. Please contact admin"));
@@ -287,23 +287,23 @@ public function CommandRequest($method) {
             "body" => json_encode($data)
         ];
 
-        if (!empty($this->config->GetDocumentServerSecret())) {
+        if (!empty($this->config->getDocumentServerSecret())) {
             $params = [
                 "payload" => $data
             ];
-            $token = \Firebase\JWT\JWT::encode($params, $this->config->GetDocumentServerSecret(), "HS256");
-            $opts["headers"][$this->config->JwtHeader()] = "Bearer " . $token;
+            $token = \Firebase\JWT\JWT::encode($params, $this->config->getDocumentServerSecret(), "HS256");
+            $opts["headers"][$this->config->jwtHeader()] = "Bearer " . $token;
 
-            $token = \Firebase\JWT\JWT::encode($data, $this->config->GetDocumentServerSecret(), "HS256");
+            $token = \Firebase\JWT\JWT::encode($data, $this->config->getDocumentServerSecret(), "HS256");
             $data["token"] = $token;
             $opts["body"] = json_encode($data);
         }
 
-        $response = $this->Request($urlCommand, "post", $opts);
+        $response = $this->request($urlCommand, "post", $opts);
 
         $data = json_decode($response);
 
-        $this->ProcessCommandServResponceError($data->error);
+        $this->processCommandServResponceError($data->error);
 
         return $data;
     }
@@ -315,7 +315,7 @@ public function CommandRequest($method) {
      *
      * @return null
      */
-    public function ProcessCommandServResponceError($errorCode) {
+    public function processCommandServResponceError($errorCode) {
         $errorMessageTemplate = $this->trans->t("Error occurred in the document service");
         $errorMessage = "";
 
@@ -348,14 +348,14 @@ public function ProcessCommandServResponceError($errorCode) {
      *
      * @return string
      */
-    public function Request($url, $method = "get", $opts = null) {
+    public function request($url, $method = "get", $opts = null) {
         $httpClientService = \OC::$server->getHTTPClientService();
         $client = $httpClientService->newClient();
 
         if (null === $opts) {
             $opts = array();
         }
-        if (substr($url, 0, strlen("https")) === "https" && $this->config->GetVerifyPeerOff()) {
+        if (substr($url, 0, strlen("https")) === "https" && $this->config->getVerifyPeerOff()) {
             $opts["verify"] = false;
         }
         if (!array_key_exists("timeout", $opts)) {
@@ -389,7 +389,7 @@ public function checkDocServiceUrl($urlGenerator, $crypt) {
 
         try {
             if (preg_match("/^https:\/\//i", $urlGenerator->getAbsoluteURL("/"))
-                && preg_match("/^http:\/\//i", $this->config->GetDocumentServerUrl())) {
+                && preg_match("/^http:\/\//i", $this->config->getDocumentServerUrl())) {
                 throw new \Exception($this->trans->t("Mixed Active Content is not allowed. HTTPS address for ONLYOFFICE Docs is required."));
             }
         } catch (\Exception $e) {
@@ -398,18 +398,18 @@ public function checkDocServiceUrl($urlGenerator, $crypt) {
         }
 
         try {
-            $healthcheckResponse = $this->HealthcheckRequest();
+            $healthcheckResponse = $this->healthcheckRequest();
             if (!$healthcheckResponse) {
                 throw new \Exception($this->trans->t("Bad healthcheck status"));
             }
         } catch (\Exception $e) {
-            $logger->logException($e, ["message" => "HealthcheckRequest on check error", "app" => self::$appName]);
+            $logger->logException($e, ["message" => "healthcheckRequest on check error", "app" => self::$appName]);
             return [$e->getMessage(), $version];
         }
 
         try {
-            $commandResponse = $this->CommandRequest("version");
-            $logger->debug("CommandRequest on check: " . json_encode($commandResponse), ["app" => self::$appName]);
+            $commandResponse = $this->commandRequest("version");
+            $logger->debug("commandRequest on check: " . json_encode($commandResponse), ["app" => self::$appName]);
             if (empty($commandResponse)) {
                 throw new \Exception($this->trans->t("Error occurred in the document service"));
             }
@@ -419,30 +419,30 @@ public function checkDocServiceUrl($urlGenerator, $crypt) {
                 throw new \Exception($this->trans->t("Not supported version"));
             }
         } catch (\Exception $e) {
-            $logger->logException($e, ["message" => "CommandRequest on check error", "app" => self::$appName]);
+            $logger->logException($e, ["message" => "commandRequest on check error", "app" => self::$appName]);
             return [$e->getMessage(), $version];
         }
 
         $convertedFileUri = null;
         try {
-            $hashUrl = $crypt->GetHash(["action" => "empty"]);
+            $hashUrl = $crypt->getHash(["action" => "empty"]);
             $fileUrl = $urlGenerator->linkToRouteAbsolute(self::$appName . ".callback.emptyfile", ["doc" => $hashUrl]);
-            if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-                $fileUrl = str_replace($urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $fileUrl);
+            if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+                $fileUrl = str_replace($urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $fileUrl);
             }
 
-            $convertedFileUri = $this->GetConvertedUri($fileUrl, "docx", "docx", "check_" . rand());
+            $convertedFileUri = $this->getConvertedUri($fileUrl, "docx", "docx", "check_" . rand());
 
             if (strcmp($convertedFileUri, $fileUrl) === 0) {
-                $logger->debug("GetConvertedUri skipped", ["app" => self::$appName]);
+                $logger->debug("getConvertedUri skipped", ["app" => self::$appName]);
             }
         } catch (\Exception $e) {
-            $logger->logException($e, ["message" => "GetConvertedUri on check error", "app" => self::$appName]);
+            $logger->logException($e, ["message" => "getConvertedUri on check error", "app" => self::$appName]);
             return [$e->getMessage(), $version];
         }
 
         try {
-            $this->Request($convertedFileUri);
+            $this->request($convertedFileUri);
         } catch (\Exception $e) {
             $logger->logException($e, ["message" => "Request converted file on check error", "app" => self::$appName]);
             return [$e->getMessage(), $version];
diff --git a/lib/extrapermissions.php b/lib/extrapermissions.php
index 3f6d9792..2e8c89be 100644
--- a/lib/extrapermissions.php
+++ b/lib/extrapermissions.php
@@ -401,7 +401,7 @@ private function validation($share, $checkExtra) {
 
         $node = $share->getNode();
         $ext = strtolower(pathinfo($node->getName(), PATHINFO_EXTENSION));
-        $format = !empty($ext) && array_key_exists($ext, $this->config->FormatsSetting()) ? $this->config->FormatsSetting()[$ext] : null;
+        $format = !empty($ext) && array_key_exists($ext, $this->config->formatsSetting()) ? $this->config->formatsSetting()[$ext] : null;
         if (!isset($format)) {
             return [$availableExtra, $defaultExtra];
         }
diff --git a/lib/filecreator.php b/lib/filecreator.php
index 732ef332..6d4c4752 100644
--- a/lib/filecreator.php
+++ b/lib/filecreator.php
@@ -136,7 +136,7 @@ public function create(File $file, string $creatorId = null, string $templateId
         $this->logger->debug("FileCreator: " . $file->getId() . " " . $file->getName() . " $creatorId $templateId", ["app" => $this->appName]);
 
         $fileName = $file->getName();
-        $template = TemplateManager::GetEmptyTemplate($fileName);
+        $template = TemplateManager::getEmptyTemplate($fileName);
 
         if (!$template) {
             $this->logger->error("FileCreator: Template for file creation not found: $templateId", ["app" => $this->appName]);
diff --git a/lib/fileutility.php b/lib/fileutility.php
index e4d4b35a..1cf35259 100644
--- a/lib/fileutility.php
+++ b/lib/fileutility.php
@@ -228,7 +228,7 @@ public function getKey($file, $origin = false) {
         $key = KeyManager::get($fileId);
 
         if (empty($key)) {
-            $instanceId = $this->config->GetSystemValue("instanceid", true);
+            $instanceId = $this->config->getSystemValue("instanceid", true);
 
             $key = $instanceId . "_" . $this->GUID();
 
@@ -259,7 +259,7 @@ private function GUID() {
      * @return string
      */
     public function getVersionKey($version) {
-        $instanceId = $this->config->GetSystemValue("instanceid", true);
+        $instanceId = $this->config->getSystemValue("instanceid", true);
 
         $key = $instanceId . "_" . $version->getSourceFile()->getEtag() . "_" . $version->getRevisionId();
 
diff --git a/lib/listeners/directeditorlistener.php b/lib/listeners/directeditorlistener.php
index 4c1de5a1..afc9bb89 100644
--- a/lib/listeners/directeditorlistener.php
+++ b/lib/listeners/directeditorlistener.php
@@ -62,8 +62,8 @@ public function handle(Event $event): void {
             return;
         }
 
-        if (!empty($this->appConfig->GetDocumentServerUrl())
-            && $this->appConfig->SettingsAreSuccessful()) {
+        if (!empty($this->appConfig->getDocumentServerUrl())
+            && $this->appConfig->settingsAreSuccessful()) {
             $event->register($this->editor);
         }
     }
diff --git a/lib/listeners/filesharinglistener.php b/lib/listeners/filesharinglistener.php
index a2273788..146cee41 100644
--- a/lib/listeners/filesharinglistener.php
+++ b/lib/listeners/filesharinglistener.php
@@ -76,11 +76,11 @@ public function handle(Event $event): void {
             return;
         }
 
-        if (!empty($this->appConfig->GetDocumentServerUrl())
-            && $this->appConfig->SettingsAreSuccessful()) {
+        if (!empty($this->appConfig->getDocumentServerUrl())
+            && $this->appConfig->settingsAreSuccessful()) {
             Util::addScript("onlyoffice", "main");
 
-            if ($this->appConfig->GetSameTab()) {
+            if ($this->appConfig->getSameTab()) {
                 Util::addScript("onlyoffice", "listener");
             }
 
diff --git a/lib/listeners/fileslistener.php b/lib/listeners/fileslistener.php
index 2d2c15cf..bb9d8928 100644
--- a/lib/listeners/fileslistener.php
+++ b/lib/listeners/fileslistener.php
@@ -76,18 +76,18 @@ public function handle(Event $event): void {
             return;
         }
 
-        if (!empty($this->appConfig->GetDocumentServerUrl())
-            && $this->appConfig->SettingsAreSuccessful()
+        if (!empty($this->appConfig->getDocumentServerUrl())
+            && $this->appConfig->settingsAreSuccessful()
             && $this->appConfig->isUserAllowedToUse()) {
             Util::addScript("onlyoffice", "desktop");
             Util::addScript("onlyoffice", "main");
             Util::addScript("onlyoffice", "template");
 
-            if ($this->appConfig->GetSameTab()) {
+            if ($this->appConfig->getSameTab()) {
                 Util::addScript("onlyoffice", "listener");
             }
 
-            if ($this->appConfig->GetAdvanced()
+            if ($this->appConfig->getAdvanced()
                 && \OC::$server->getAppManager()->isInstalled("files_sharing")) {
                 Util::addScript("onlyoffice", "share");
                 Util::addStyle("onlyoffice", "share");
diff --git a/lib/listeners/viewerlistener.php b/lib/listeners/viewerlistener.php
index c04b4b69..d4624795 100644
--- a/lib/listeners/viewerlistener.php
+++ b/lib/listeners/viewerlistener.php
@@ -77,8 +77,8 @@ public function handle(Event $event): void {
             return;
         }
 
-        if (!empty($this->appConfig->GetDocumentServerUrl())
-            && $this->appConfig->SettingsAreSuccessful()
+        if (!empty($this->appConfig->getDocumentServerUrl())
+            && $this->appConfig->settingsAreSuccessful()
             && $this->appConfig->isUserAllowedToUse()) {
             Util::addScript("onlyoffice", "viewer", "viewer");
             Util::addScript("onlyoffice", "listener", "viewer");
diff --git a/lib/listeners/widgetlistener.php b/lib/listeners/widgetlistener.php
index ccd80ebe..4ccc7258 100644
--- a/lib/listeners/widgetlistener.php
+++ b/lib/listeners/widgetlistener.php
@@ -50,8 +50,8 @@ public function handle(Event $event): void {
             return;
         }
 
-        if (!empty($this->appConfig->GetDocumentServerUrl())
-            && $this->appConfig->SettingsAreSuccessful()
+        if (!empty($this->appConfig->getDocumentServerUrl())
+            && $this->appConfig->settingsAreSuccessful()
             && $this->appConfig->isUserAllowedToUse()) {
             Util::addScript("onlyoffice", "desktop");
         }
diff --git a/lib/preview.php b/lib/preview.php
index 0b877bc6..5b280035 100644
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -221,12 +221,12 @@ public function getMimeType() {
      * @return bool
      */
     public function isAvailable(FileInfo $fileInfo) {
-        if ($this->config->GetPreview() !== true) {
+        if ($this->config->getPreview() !== true) {
             return false;
         }
         if (!$fileInfo
             || $fileInfo->getSize() === 0
-            || $fileInfo->getSize() > $this->config->GetLimitThumbSize()) {
+            || $fileInfo->getSize() > $this->config->getLimitThumbSize()) {
             return false;
         }
         if (!in_array($fileInfo->getMimetype(), self::$capabilities, true)) {
@@ -260,14 +260,14 @@ public function getThumbnail($path, $maxX, $maxY, $scalingup, $view) {
         $imageUrl = null;
         $documentService = new DocumentService($this->trans, $this->config);
         try {
-            $imageUrl = $documentService->GetConvertedUri($fileUrl, $extension, self::THUMBEXTENSION, $key);
+            $imageUrl = $documentService->getConvertedUri($fileUrl, $extension, self::THUMBEXTENSION, $key);
         } catch (\Exception $e) {
-            $this->logger->logException($e, ["message" => "GetConvertedUri: from $extension to " . self::THUMBEXTENSION, "app" => $this->appName]);
+            $this->logger->logException($e, ["message" => "getConvertedUri: from $extension to " . self::THUMBEXTENSION, "app" => $this->appName]);
             return false;
         }
 
         try {
-            $thumbnail = $documentService->Request($imageUrl);
+            $thumbnail = $documentService->request($imageUrl);
         } catch (\Exception $e) {
             $this->logger->logException($e, ["message" => "Failed to download thumbnail", "app" => $this->appName]);
             return false;
@@ -313,12 +313,12 @@ private function getUrl($file, $user = null, $version = 0, $template = false) {
             $data["template"] = true;
         }
 
-        $hashUrl = $this->crypt->GetHash($data);
+        $hashUrl = $this->crypt->getHash($data);
 
         $fileUrl = $this->urlGenerator->linkToRouteAbsolute($this->appName . ".callback.download", ["doc" => $hashUrl]);
 
-        if (!$this->config->UseDemo() && !empty($this->config->GetStorageUrl())) {
-            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->GetStorageUrl(), $fileUrl);
+        if (!$this->config->useDemo() && !empty($this->config->getStorageUrl())) {
+            $fileUrl = str_replace($this->urlGenerator->getAbsoluteURL("/"), $this->config->getStorageUrl(), $fileUrl);
         }
 
         return $fileUrl;
@@ -369,17 +369,17 @@ private function getFileParam($path, $view) {
                 $versionId = $version->getRevisionId();
                 if (strcmp($versionId, $fileVersion) === 0) {
                     $key = $this->fileUtility->getVersionKey($version);
-                    $key = DocumentService::GenerateRevisionId($key);
+                    $key = DocumentService::generateRevisionId($key);
 
                     break;
                 }
             }
         } else {
             $key = $this->fileUtility->getKey($fileInfo);
-            $key = DocumentService::GenerateRevisionId($key);
+            $key = DocumentService::generateRevisionId($key);
         }
 
-        if (TemplateManager::IsTemplate($fileInfo->getId())) {
+        if (TemplateManager::isTemplate($fileInfo->getId())) {
             $template = true;
         }
 
diff --git a/lib/settingsdata.php b/lib/settingsdata.php
index 506627c7..484496c9 100644
--- a/lib/settingsdata.php
+++ b/lib/settingsdata.php
@@ -34,8 +34,8 @@ public function __construct(AppConfig $appConfig) {
 
     public function jsonSerialize(): array {
         $data = [
-            "formats" => $this->appConfig->FormatsSetting(),
-            "sameTab" => $this->appConfig->GetSameTab()
+            "formats" => $this->appConfig->formatsSetting(),
+            "sameTab" => $this->appConfig->getSameTab()
         ];
 
         return $data;
diff --git a/lib/templatemanager.php b/lib/templatemanager.php
index 000b9a2e..d8605ef5 100644
--- a/lib/templatemanager.php
+++ b/lib/templatemanager.php
@@ -49,8 +49,8 @@ class TemplateManager {
      *
      * @return Folder
      */
-    public static function GetGlobalTemplateDir() {
-        $dirPath = "appdata_" . \OC::$server->getConfig()->GetSystemValue("instanceid", null)
+    public static function getGlobalTemplateDir() {
+        $dirPath = "appdata_" . \OC::$server->getConfig()->getSystemValue("instanceid", null)
                                 . "/" . self::$appName
                                 . "/" . self::$templateFolderName;
 
@@ -72,8 +72,8 @@ public static function GetGlobalTemplateDir() {
      *
      * @return array
      */
-    public static function GetGlobalTemplates($mimetype = null) {
-        $templateDir = self::GetGlobalTemplateDir();
+    public static function getGlobalTemplates($mimetype = null) {
+        $templateDir = self::getGlobalTemplateDir();
 
         $templatesList = $templateDir->getDirectoryListing();
         if (!empty($mimetype)
@@ -91,7 +91,7 @@ public static function GetGlobalTemplates($mimetype = null) {
      *
      * @return File
      */
-    public static function GetTemplate($templateId) {
+    public static function getTemplate($templateId) {
         $logger = \OC::$server->getLogger();
 
         if (empty($templateId)) {
@@ -99,11 +99,11 @@ public static function GetTemplate($templateId) {
             return null;
         }
 
-        $templateDir = self::GetGlobalTemplateDir();
+        $templateDir = self::getGlobalTemplateDir();
         try {
             $templates = $templateDir->getById($templateId);
         } catch (\Exception $e) {
-            $logger->logException($e, ["message" => "GetTemplate: $templateId", "app" => self::$appName]);
+            $logger->logException($e, ["message" => "getTemplate: $templateId", "app" => self::$appName]);
             return null;
         }
 
@@ -121,7 +121,7 @@ public static function GetTemplate($templateId) {
      *
      * @return string
      */
-    public static function GetTypeTemplate($mime) {
+    public static function getTypeTemplate($mime) {
         switch ($mime) {
             case "application/vnd.openxmlformats-officedocument.wordprocessingml.document":
                 return "document";
@@ -141,7 +141,7 @@ public static function GetTypeTemplate($mime) {
      *
      * @return string
      */
-    public static function GetMimeTemplate($type) {
+    public static function getMimeTemplate($type) {
         switch ($type) {
             case "document":
                 return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
@@ -161,7 +161,7 @@ public static function GetMimeTemplate($type) {
      *
      * @return bool
      */
-    public static function IsTemplateType($name) {
+    public static function isTemplateType($name) {
         $ext = strtolower(pathinfo($name, PATHINFO_EXTENSION));
         switch ($ext) {
             case "docx":
@@ -180,8 +180,8 @@ public static function IsTemplateType($name) {
      *
      * @return bool
      */
-    public static function IsTemplate($fileId) {
-        $template = self::GetTemplate($fileId);
+    public static function isTemplate($fileId) {
+        $template = self::getTemplate($fileId);
 
         if (empty($template)) {
             return false;
@@ -197,12 +197,12 @@ public static function IsTemplate($fileId) {
      *
      * @return string
      */
-    public static function GetEmptyTemplate($name) {
+    public static function getEmptyTemplate($name) {
         $ext = strtolower("." . pathinfo($name, PATHINFO_EXTENSION));
 
         $lang = \OC::$server->getL10NFactory("")->get("")->getLanguageCode();
 
-        $templatePath = self::GetEmptyTemplatePath($lang, $ext);
+        $templatePath = self::getEmptyTemplatePath($lang, $ext);
         if (!file_exists($templatePath)) {
             return false;
         }
@@ -219,7 +219,7 @@ public static function GetEmptyTemplate($name) {
      *
      * @return string
      */
-    public static function GetEmptyTemplatePath($lang, $ext) {
+    public static function getEmptyTemplatePath($lang, $ext) {
         if (!array_key_exists($lang, self::$localPath)) {
             $lang = "en";
         }
diff --git a/lib/templateprovider.php b/lib/templateprovider.php
index fd80ec8a..b33735c3 100644
--- a/lib/templateprovider.php
+++ b/lib/templateprovider.php
@@ -59,7 +59,7 @@ public function __construct($AppName, IURLGenerator $urlGenerator) {
     public function getCustomTemplates($mimetype) : array {
         $templates = [];
 
-        $templateFiles = TemplateManager::GetGlobalTemplates($mimetype);
+        $templateFiles = TemplateManager::getGlobalTemplates($mimetype);
 
         foreach ($templateFiles as $templateFile) {
             $template = new Template(
@@ -84,6 +84,6 @@ public function getCustomTemplates($mimetype) : array {
      * @return File
      */
     public function getCustomTemplate($templateId) : File {
-        return TemplateManager::GetTemplate($templateId);
+        return TemplateManager::getTemplate($templateId);
     }
 }