Determine archive's modifiability from its mimetype

Not from its extension.

NEWS

@@ -1,5 +1,5 @@
 Latest version:
 
-	27 Jun 2021, V0.8.0
+	28 Jun 2021, V0.8.0
 
 See "ChangeLog" for changes.

backends.cpp

@@ -170,15 +170,13 @@ void Backend::loadFile(const QString& path, bool withPassword) {
 }
 
 bool Backend::canModify() const {
-  static QStringList validEXT;
-  if (validEXT.isEmpty()) {
-    validEXT << ".zip" << ".tar.gz" << ".pdf.gz" << ".svgz" << ".tgz" << ".tar.xz" << ".txz" << ".tar.bz" << ".tbz" << ".tar.bz2" << ".tbz2" << ".tar" << ".tar.lzma" << ".tar.zst" << ".tzst" << ".tlz" << ".cpio" << /*".pax" <<*/ ".ar" << /*".shar" <<*/ ".gz" << ".7z";
+  static QStringList validMimeTypes;
+  if (validMimeTypes.isEmpty()) {
+    validMimeTypes << "application/zip" << "application/x-compressed-tar" << "application/x-gzpdf" << "image/svg+xml-compressed" << "application/x-xz-compressed-tar" << "application/x-bzip-compressed-tar" << "application/x-tar" << "application/x-lzma-compressed-tar" << "application/x-zstd-compressed-tar" << "application/x-cpio" << /*".pax" <<*/ "application/x-archive" << /*".shar" <<*/ "application/gzip" << "application/x-7z-compressed";
   }
-  for (int i = 0; i < validEXT.length(); i++) {
-    if (filepath_.endsWith(validEXT.at(i)))
-      return true;
-  }
-  return false;
+  QMimeDatabase mimeDatabase;
+  QString mimeTypeName = mimeDatabase.mimeTypeForFile(QFileInfo(filepath_)).name();
+  return validMimeTypes.contains(mimeTypeName);
 }
 
 QString Backend::currentFile() const {

data/translations/arqiver.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation type="unfinished"></translation>

data/translations/arqiver_eo.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>La arkivo ne legeblis</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Arkivo Ŝargita</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>Modifado Farita</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>Ekstraktado Farita</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation>Ekstraktado Malsukcesis</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>%1 mankas al via sistemo.

data/translations/arqiver_hu.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>Nem sikerült olvasni az archívumot</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Archívum betöltve</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>A módosítás kész</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>A kibontás kész</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation>A kibontás sikertelen</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>%1 hiányzik a rendszeréből.

data/translations/arqiver_nl.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>Kan archief niet uitlezen</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Archief geladen</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>Bewerking voltooid</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>Uitpakken voltooid</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>%1 is niet geïnstalleerd.

data/translations/arqiver_pl.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>Nie udało się odczytać archiwum</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Załadowano archiwum</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>Zakończono modyfikowanie</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>Zakończono rozpakowywanie</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>W Twoim systemie brakuje %1.

data/translations/arqiver_pt_BR.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>Não foi possível ler o arquivo</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Arquivo Carregado</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>Modificação Concluída</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>Extração Concluída</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation>Extração Falhou</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>%1 está ausente do seu sistema.

data/translations/arqiver_ru.ts

@@ -12,38 +12,38 @@
 <context>
     <name>Arqiver::Backend</name>
     <message>
-        <location filename="../../backends.cpp" line="1026"/>
-        <location filename="../../backends.cpp" line="1057"/>
-        <location filename="../../backends.cpp" line="1100"/>
+        <location filename="../../backends.cpp" line="1024"/>
+        <location filename="../../backends.cpp" line="1055"/>
+        <location filename="../../backends.cpp" line="1098"/>
         <source>Could not read archive</source>
         <translation>Не удалось прочитать архив</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1060"/>
-        <location filename="../../backends.cpp" line="1105"/>
+        <location filename="../../backends.cpp" line="1058"/>
+        <location filename="../../backends.cpp" line="1103"/>
         <source>Archive Loaded</source>
         <translation>Архив загружен</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1067"/>
-        <location filename="../../backends.cpp" line="1153"/>
+        <location filename="../../backends.cpp" line="1065"/>
+        <location filename="../../backends.cpp" line="1151"/>
         <source>Modification Finished</source>
         <translation>Модификация завершена</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1088"/>
-        <location filename="../../backends.cpp" line="1122"/>
+        <location filename="../../backends.cpp" line="1086"/>
+        <location filename="../../backends.cpp" line="1120"/>
         <source>Extraction Finished</source>
         <translation>Распаковка завершена</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1091"/>
-        <location filename="../../backends.cpp" line="1141"/>
+        <location filename="../../backends.cpp" line="1089"/>
+        <location filename="../../backends.cpp" line="1139"/>
         <source>Extraction Failed</source>
         <translation>Ошибка распаковки</translation>
     </message>
     <message>
-        <location filename="../../backends.cpp" line="1250"/>
+        <location filename="../../backends.cpp" line="1248"/>
         <source>%1 is missing from your system.
 Please install it for this kind of archive!</source>
         <translation>%1 отсутствует в вашей системе.

mainWin.cpp

@@ -1480,7 +1480,7 @@ void mainWin::procFinished(bool success, const QString& msg) {
     ui->actionExtractSel->setEnabled(hasSelection);
     ui->actionRemoveFile->setEnabled(hasSelection && canmodify_ && !BACKEND->isGzip());
     ui->actionAddDir->setEnabled(canmodify_ && !BACKEND->isGzip());
-    ui->actionPassword->setEnabled(BACKEND->is7z());
+    ui->actionPassword->setEnabled(BACKEND->is7z() && canmodify_);
   }
 
   if (!(updateTree_ && success) // otherwise, the cursor will be restored in updateTree()