Certificate dialog: Add copy info button

gajim/data/gui/certificate_dialog.ui

@@ -160,6 +160,10 @@
             <property name="can_focus">False</property>
             <property name="halign">start</property>
             <property name="label">&lt;&gt;</property>
+            <property name="wrap">True</property>
+            <property name="wrap_mode">char</property>
+            <property name="selectable">True</property>
+            <property name="max_width_chars">21</property>
           </object>
           <packing>
             <property name="left_attach">1</property>
@@ -435,6 +439,31 @@
             <property name="width">2</property>
           </packing>
         </child>
+        <child>
+          <object class="GtkButton" id="copy_cert_info_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="has_focus">True</property>
+            <property name="receives_default">False</property>
+            <property name="tooltip_text" translatable="yes">Copy Certificate Information</property>
+            <property name="halign">end</property>
+            <signal name="clicked" handler="_on_copy_cert_info_button_clicked" swapped="no"/>
+            <child>
+              <object class="GtkImage" id="image1">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="icon_name">edit-copy-symbolic</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">17</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
       </object>
       <packing>
         <property name="expand">False</property>

gajim/gtk/dialogs.py

@@ -18,6 +18,7 @@ from collections import namedtuple
 
 from gi.repository import GLib
 from gi.repository import Gtk
+from gi.repository import Gdk
 from gi.repository import Pango
 
 from gajim.common import app
@@ -894,39 +895,68 @@ class CertificateDialog(Gtk.ApplicationWindow):
         self._ui = get_builder('certificate_dialog.ui')
         self.add(self._ui.certificate_box)
 
+        self._clipboard = Gtk.Clipboard.get(Gdk.SELECTION_CLIPBOARD)
+
+        # Get data for labels and copy button
         issuer = cert.get_issuer()
         subject = cert.get_subject()
 
-        self._ui.label_cert_for_account.set_text(
+        self._headline = _('Certificate for account\n%s') % account
-            _('Certificate for account\n%s') % account)
+        self._it_common_name = subject.commonName or ''
-
+        self._it_organization = subject.organizationName or ''
-        self._ui.data_it_common_name.set_text(subject.commonName or '')
+        self._it_org_unit = subject.organizationalUnitName or ''
-        self._ui.data_it_organization.set_text(subject.organizationName or '')
+        self._it_serial_number = str(cert.get_serial_number())
-        self._ui.data_it_organizational_unit.set_text(
+        self._ib_common_name = issuer.commonName or ''
-            subject.organizationalUnitName or '')
+        self._ib_organization = issuer.organizationName or ''
-        self._ui.data_it_serial_number.set_text(str(cert.get_serial_number()))
+        self._ib_org_unit = issuer.organizationalUnitName or ''
-
-        self._ui.data_ib_common_name.set_text(issuer.commonName or '')
-        self._ui.data_ib_organization.set_text(issuer.organizationName or '')
-        self._ui.data_ib_organizational_unit.set_text(
-            issuer.organizationalUnitName or '')
-
         issued = datetime.strptime(cert.get_notBefore().decode('ascii'),
-                                   '%Y%m%d%H%M%SZ')
+                                         '%Y%m%d%H%M%SZ')
-        issued = issued.strftime('%B %d, %Y, %H:%M:%S %z')
+        self._issued = issued.strftime('%B %d, %Y, %H:%M:%S %z')
-        self._ui.data_issued_on.set_text(issued)
         expires = datetime.strptime(cert.get_notAfter().decode('ascii'),
-                                    '%Y%m%d%H%M%SZ')
+                                          '%Y%m%d%H%M%SZ')
-        expires = expires.strftime('%B %d, %Y, %H:%M:%S %z')
+        self._expires = expires.strftime('%B %d, %Y, %H:%M:%S %z')
-        self._ui.data_expires_on.set_text(expires)
+        self._sha1 = cert.digest('sha1').decode('utf-8')
+        self._sha256 = cert.digest('sha256').decode('utf-8')
 
-        self._ui.data_sha1.set_text(cert.digest('sha1').decode('utf-8'))
+        # Set labels
-        self._ui.data_sha256.set_text(cert.digest('sha256').decode('utf-8'))
+        self._ui.label_cert_for_account.set_text(self._headline)
+        self._ui.data_it_common_name.set_text(self._it_common_name)
+        self._ui.data_it_organization.set_text(self._it_organization)
+        self._ui.data_it_organizational_unit.set_text(self._it_org_unit)
+        self._ui.data_it_serial_number.set_text(self._it_serial_number)
+        self._ui.data_ib_common_name.set_text(self._ib_common_name)
+        self._ui.data_ib_organization.set_text(self._ib_organization)
+        self._ui.data_ib_organizational_unit.set_text(self._ib_org_unit)
+        self._ui.data_issued_on.set_text(self._issued)
+        self._ui.data_expires_on.set_text(self._expires)
+        self._ui.data_sha1.set_text(self._sha1)
+        self._ui.data_sha256.set_text(self._sha256)
 
         self.set_transient_for(transient_for)
         self._ui.connect_signals(self)
         self.show_all()
 
+    def _on_copy_cert_info_button_clicked(self, widget):
+        clipboard_text = \
+            self._headline + '\n\n' + \
+            _('Issued to\n') + \
+            _('Common Name (CN): ') + self._it_common_name + '\n' + \
+            _('Organization (O): ') + self._it_organization + '\n' + \
+            _('Organizational Unit (OU): ') + self._it_org_unit + '\n' + \
+            _('Serial Number: ') + self._it_serial_number + '\n\n' + \
+            _('Issued by\n') + \
+            _('Common Name (CN): ') + self._ib_common_name + '\n' + \
+            _('Organization (O): ') + self._ib_organization + '\n' + \
+            _('Organizational Unit (OU): ') + self._ib_org_unit + '\n\n' + \
+            _('Validity\n') + \
+            _('Issued on: ') + self._issued + '\n' + \
+            _('Expires on: ') + self._expires + '\n\n' + \
+            _('SHA-1:') + '\n' + \
+            self._sha1 + '\n' + \
+            _('SHA-256:') + '\n' + \
+            self._sha256 + '\n'
+        self._clipboard.set_text(clipboard_text, -1)
+
 
 class SSLErrorDialog(ConfirmationDialogDoubleCheck):
     def __init__(self, account, certificate, pritext, sectext, checktext1,