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https://github.com/ShareX/ShareX.git
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220 lines
No EOL
7.8 KiB
C#
220 lines
No EOL
7.8 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2019 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib.Properties;
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using System;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace ShareX.HelpersLib
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{
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public partial class DNSChangerForm : Form
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{
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public DNSChangerForm()
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{
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InitializeComponent();
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Icon = ShareXResources.Icon;
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AddDNS(Resources.DNSChangerForm_DNSChangerForm_Manual);
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AddDNS("Google Public DNS", "8.8.8.8", "8.8.4.4"); // https://developers.google.com/speed/public-dns/
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AddDNS("OpenDNS", "208.67.222.222", "208.67.220.220"); // https://www.opendns.com
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AddDNS("Cloudflare", "1.1.1.1", "1.0.0.1"); // https://1.1.1.1
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AddDNS("Level 3 Communications", "4.2.2.1", "4.2.2.2"); // http://www.level3.com
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AddDNS("Comodo Secure DNS", "8.26.56.26", "8.20.247.20"); // https://www.comodo.com/secure-dns/
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AddDNS("DNS Advantage", "156.154.70.1", "156.154.71.1"); // https://www.security.neustar/dns-services/free-recursive-dns-service
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AddDNS("Yandex DNS", "77.88.8.2", "77.88.8.88"); // https://dns.yandex.com
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AddDNS("Quad9", "9.9.9.9"); // https://quad9.net
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foreach (AdapterInfo adapter in AdapterInfo.GetEnabledAdapters())
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{
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cbAdapters.Items.Add(adapter);
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}
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if (cbAdapters.Items.Count > 0)
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{
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cbAdapters.SelectedIndex = 0;
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}
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}
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private void AddDNS(string name, string primary = null, string secondary = null)
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{
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cbDNSType.Items.Add(new DNSInfo(name, primary, secondary));
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}
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private void cbAdapters_SelectedIndexChanged(object sender, EventArgs e)
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{
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AdapterInfo adapter = cbAdapters.SelectedItem as AdapterInfo;
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if (adapter != null)
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{
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string[] dns = adapter.GetDNS();
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if (dns != null && dns.Length > 0)
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{
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cbAutomatic.Checked = false;
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txtPreferredDNS.Text = dns[0];
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if (dns.Length > 1)
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{
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txtAlternateDNS.Text = dns[1];
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}
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else
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{
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txtAlternateDNS.Text = "";
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}
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}
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else
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{
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cbAutomatic.Checked = true;
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txtPreferredDNS.Text = "";
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txtAlternateDNS.Text = "";
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}
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cbDNSType.SelectedIndex = 0;
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}
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UpdateControls();
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}
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private void cbAutomatic_CheckedChanged(object sender, EventArgs e)
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{
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UpdateControls();
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}
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private void cbDNSType_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (cbDNSType.SelectedIndex > 0)
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{
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DNSInfo dnsInfo = cbDNSType.SelectedItem as DNSInfo;
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if (dnsInfo != null)
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{
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txtPreferredDNS.Text = dnsInfo.PrimaryDNS;
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txtAlternateDNS.Text = dnsInfo.SecondaryDNS;
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}
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}
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UpdateControls();
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}
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private void txtPreferredDNS_TextChanged(object sender, EventArgs e)
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{
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UpdateControls();
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}
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private void txtAlternateDNS_TextChanged(object sender, EventArgs e)
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{
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UpdateControls();
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}
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private void UpdateControls()
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{
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cbDNSType.Enabled = !cbAutomatic.Checked;
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txtPreferredDNS.Enabled = !cbAutomatic.Checked && cbDNSType.SelectedIndex == 0;
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txtAlternateDNS.Enabled = !cbAutomatic.Checked && cbDNSType.SelectedIndex == 0;
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}
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private async Task SendPing(string ip)
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{
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if (!string.IsNullOrEmpty(ip))
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{
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btnPingPrimary.Enabled = btnPingSecondary.Enabled = false;
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await Task.Run(() =>
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{
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PingResult pingResult = PingHelper.PingHost(ip);
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MessageBox.Show(pingResult.ToString(), "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
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});
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btnPingPrimary.Enabled = btnPingSecondary.Enabled = true;
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}
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}
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private void btnSave_Click(object sender, EventArgs e)
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{
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AdapterInfo adapter = cbAdapters.SelectedItem as AdapterInfo;
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if (adapter != null)
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{
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uint result;
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try
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{
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if (cbAutomatic.Checked)
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{
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result = adapter.SetDNSAutomatic();
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}
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else
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{
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string primaryDNS = txtPreferredDNS.Text.Trim();
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string secondaryDNS = txtAlternateDNS.Text.Trim();
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if (Helpers.IsValidIPAddress(primaryDNS) && (string.IsNullOrEmpty(secondaryDNS) || Helpers.IsValidIPAddress(secondaryDNS)))
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{
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result = adapter.SetDNS(primaryDNS, secondaryDNS);
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}
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else
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{
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throw new Exception("Not valid IP address.");
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}
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}
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if (result == 0)
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{
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NativeMethods.DnsFlushResolverCache();
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MessageBox.Show(Resources.DNSChangerForm_btnSave_Click_DNS_successfully_set_, "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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else if (result == 1)
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{
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MessageBox.Show(Resources.DNSChangerForm_btnSave_Click_DNS_successfully_set__Reboot_is_required_, "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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else if (result > 1)
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{
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MessageBox.Show(Resources.DNSChangerForm_btnSave_Click_Setting_DNS_failed_with_error_code_ + " " + result, "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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catch (Exception ex)
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{
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MessageBox.Show(Resources.DNSChangerForm_btnSave_Click_Setting_DNS_failed_ + "\r\n" + ex, "ShareX", MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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}
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}
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private void btnCancel_Click(object sender, EventArgs e)
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{
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Close();
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}
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private async void btnPingPrimary_Click(object sender, EventArgs e)
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{
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await SendPing(txtPreferredDNS.Text);
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}
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private async void btnPingSecondary_Click(object sender, EventArgs e)
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{
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await SendPing(txtAlternateDNS.Text);
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}
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}
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} |