Add SuperUserTools

framework/src/main/java/de/arcus/framework/superuser/SuperUserTools.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2015 David Schulte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+package de.arcus.framework.superuser;
+
+/**
+ * Tools for the superuser
+ */
+public class SuperUserTools {
+    /**
+     * Copy a file with root permissions
+     * @param src Source file
+     * @param dest Destination file
+     * @return Returns whether the command was successful
+     */
+    public static boolean copyFile(String src, String dest) {
+        SuperUserCommand superUserCommand = new SuperUserCommand(new String[] {
+                "rm -f '" + dest + "'", // Remove destination file
+                "cat '" + src + "' >> '" + dest + "'", // Using cat to copy file instead of cp, because you can use it without busybox
+                "chmod 0777 '" + dest + "'" // Change the access mode to all users (chown sdcard_r will fail on some devices)
+        });
+        // Execute the command
+        superUserCommand.execute();
+
+        // Superuser permissions and command are successful
+        return superUserCommand.commandWasSuccessful();
+    }
+}