New PASSWD cli command, to change an eeuser's password

modules/eeuser/src/main/java/org/jpos/q2/cli/PASSWD.java

@@ -0,0 +1,85 @@
+/*
+ * jPOS Project [http://jpos.org]
+ * Copyright (C) 2000-2019 jPOS Software SRL
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.jpos.q2.cli;
+
+import org.apache.commons.cli.*;
+import org.jpos.ee.*;
+import org.jpos.q2.CLICommand;
+import org.jpos.q2.CLIContext;
+
+import java.io.PrintWriter;
+import java.util.Collections;
+
+@SuppressWarnings("unused")
+public class PASSWD implements CLICommand {
+    @Override
+    public void exec(CLIContext cli, String[] args) throws Exception {
+        CommandLineParser parser = new DefaultParser();
+        Options options = new Options();
+        options.addOption ("p", "password", true, "The password (mandatory)");
+        CommandLine line = parser.parse(options, shl(shl(args)));
+
+        if (args.length < 3) {
+            showHelp (cli, args, options);
+            return;
+        }
+
+        try (DB db = new DB()) {
+            db.open();
+            db.beginTransaction();
+            UserManager mgr = new UserManager(db);
+
+            User user = mgr.getUserByNick(args[1], true);
+            if (user == null) {
+                cli.println ("User doesn't exist. Please create it first with the 'adduser' command");
+                return;
+            }
+            if (!line.hasOption('p')) {
+                cli.println ("A password must be given.");
+                return;
+            }
+
+            mgr.setPassword(user, line.getOptionValue('p'));
+            db.session().save(user);
+            db.commit();
+            cli.println ("User '" + user.getNickAndId() + "': password changed.");
+        } catch (Exception e) {
+            cli.println (e.getMessage());
+        }
+    }
+
+    private String[] shl (String[] args) {
+        switch (args.length) {
+            case 0:
+                return args;
+            case 1:
+                return new String[0];
+        }
+        String[] shl = new String[args.length-1];
+        System.arraycopy(args,1, shl, 0, args.length-1);
+        return shl;
+    }
+
+    private void showHelp (CLIContext cli, String args[], Options options) {
+        PrintWriter pw = new PrintWriter (cli.getOutputStream());
+        HelpFormatter helpFormatter = new HelpFormatter ();
+        helpFormatter.printHelp (args[0] + "<nick> [options]", options);
+        helpFormatter.printHelp(pw, HelpFormatter.DEFAULT_WIDTH, args[0], null, options, 0, HelpFormatter.DEFAULT_DESC_PAD, null,false);
+    }
+}

modules/eeuser/src/main/resources/org/jpos/q2/cli/PASSWD.man

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+usage: adduser <nick>
+ -p,--password <arg>   The password (mandatory)