Remove html formatting from emails

src/freedombone-base-email

@@ -1960,4 +1960,33 @@ function remove_ip_addresses_from_email_logs {
     cron_add_mins 1 '/usr/bin/exim_log_tidy'
 }
 
+function email_remove_html {
+    html_remove_script='/usr/bin/remove_html.pl'
+    if [ ! -f "${html_remove_script}" ]; then
+        if $INSTALL_PACKAGES libhtml-strip-perl; then
+            { echo '#!/usr/bin/perl';
+              echo 'use HTML::Strip;';
+              echo "my \$hs = HTML::Strip->new();";
+              echo "my \$clean_text = \$hs->parse( <STDIN> );";
+              echo "\$hs->eof;";
+              echo "print \$clean_text;"; } > "${html_remove_script}"
+            chmod +x "${html_remove_script}"
+        fi
+    fi
+
+    if [ -f "${html_remove_script}" ]; then
+        for d in /home/*/ ; do
+            USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
+            if [ -f "/home/$USERNAME/.procmailrc" ]; then
+                if ! grep -q '# remove html begin' "/home/$USERNAME/.procmailrc"; then
+                    { echo '# remove html begin';
+                      echo ':0 f';
+                      echo "| ${html_remove_script}";
+                      echo '# remove html end'; } >> "/home/$USERNAME/.procmailrc"
+                fi
+            fi
+        done
+    fi
+}
+
 # NOTE: deliberately no exit 0

src/freedombone-upgrade

@@ -153,6 +153,7 @@ if [ -d "$PROJECT_DIR" ]; then
         android_update_apps yes
         populate_keyservers
         disable_email_encryption_at_rest
+        email_remove_html
         if [ -f /var/log/freedns_@_update.log ]; then
             rm /var/log/freedns_@_update.log
         fi

src/freedombone-utils-setup

@@ -1197,6 +1197,9 @@ function setup_email {
 
     function_check import_email
     import_email
+
+    function_check email_remove_html
+    email_remove_html
 }
 
 function setup_web {