From ab2cba8075140ad4e39474bb693f1f69414bc00a Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@freedombone.net>
Date: Sun, 21 Jan 2018 17:56:39 +0000
Subject: [PATCH] pleroma blocking script

---
 src/freedombone-app-pleroma | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/src/freedombone-app-pleroma b/src/freedombone-app-pleroma
index 51e6f93f..1de91a16 100755
--- a/src/freedombone-app-pleroma
+++ b/src/freedombone-app-pleroma
@@ -59,6 +59,7 @@ PLEROMA_TITLE='Pleroma Server'
 # Number of months after which posts expire
 PLEROMA_EXPIRE_MONTHS=3
 pleroma_expire_posts_script=/usr/bin/pleroma-expire-posts
+blocking_script_file=/usr/bin/pleroma-blocking
 
 pleroma_variables=(ONION_ONLY
                    PLEROMA_DOMAIN_NAME
@@ -71,6 +72,26 @@ pleroma_variables=(ONION_ONLY
                    MY_EMAIL_ADDRESS
                    MY_USERNAME)
 
+function create_pleroma_blocklist {
+    echo '#!/bin/bash' > $blocking_script_file
+    echo "if [ ! -f ${PROJECT_NAME}-firewall-domains.cfg ]; then" >> $blocking_script_file
+    echo '    exit 0' >> $blocking_script_file
+    echo 'fi' >> $blocking_script_file
+    echo 'cd /etc/postgresql' >> $blocking_script_file
+    echo 'while read blocked; do' >> $blocking_script_file
+    echo '    if [[ "$blocked" == *"."* || "$blocked" == *"@"* ]]; then' >> $blocking_script_file
+    echo '        if [ ${#blocked} -gt 4 ]; then' >> $blocking_script_file
+    echo "            sudo -u postgres psql -d pleroma -c \"DELETE FROM objects WHERE data->>'content' ilike '%\${blocked}%' or data->>'actor' ilike '%\${blocked}%'\"" >> $blocking_script_file
+    echo '        fi' >> $blocking_script_file
+    echo '    fi' >> $blocking_script_file
+    echo "done <${PROJECT_NAME}-firewall-domains.cfg" >> $blocking_script_file
+    chmod +x $blocking_script_file
+
+    if ! grep -q "$blocking_script_file" /etc/crontab; then
+        echo "#*/1            * *   *   *   root $blocking_script_file > /dev/null" >> /etc/crontab
+    fi
+}
+
 function expire_pleroma_posts {
     domain_name=$1
     expire_months=$3
@@ -433,6 +454,7 @@ function pleroma_set_expire_months {
                 write_config_param "PLEROMA_EXPIRE_MONTHS" "$PLEROMA_EXPIRE_MONTHS"
 
                 expire_pleroma_posts $PLEROMA_DOMAIN_NAME $PLEROMA_EXPIRE_MONTHS
+                create_pleroma_blocklist
 
                 dialog --title $"Set Pleroma post expiry period" \
                        --msgbox $"Expiry period set to $PLEROMA_EXPIRE_MONTHS months" 6 60
@@ -592,6 +614,9 @@ function upgrade_pleroma {
     if [ ! -f $pleroma_expire_posts_script ]; then
         expire_pleroma_posts $PLEROMA_DOMAIN_NAME $PLEROMA_EXPIRE_MONTHS
     fi
+    if [ ! -f $blocking_script_file ]; then
+        create_pleroma_blocklist
+    fi
 
     CURR_PLEROMA_COMMIT=$(get_completion_param "pleroma commit")
     if [[ "$CURR_PLEROMA_COMMIT" == "$PLEROMA_COMMIT" ]]; then
@@ -606,6 +631,7 @@ function upgrade_pleroma {
     pleroma_recompile
 
     expire_pleroma_posts $PLEROMA_DOMAIN_NAME $PLEROMA_EXPIRE_MONTHS
+    create_pleroma_blocklist
 }
 
 function backup_local_pleroma {
@@ -752,6 +778,7 @@ function remove_pleroma {
     remove_completion_param install_pleroma
     sed -i '/pleroma domain/d' $COMPLETION_FILE
     sed -i '/pleroma commit/d' $COMPLETION_FILE
+    sed -i "/$blocking_script_file/d" /etc/crontab
 
     function_check remove_ddns_domain
     remove_ddns_domain $PLEROMA_DOMAIN_NAME
@@ -964,6 +991,8 @@ function install_pleroma {
         fi
     fi
 
+    create_pleroma_blocklist
+
     # daemon
     echo '[Unit]' > /etc/systemd/system/pleroma.service
     echo 'Description=Pleroma social network' >> /etc/systemd/system/pleroma.service