Fix 404 error

scripts/pma-gateway/create_pma_gateway.sh

@@ -148,16 +148,18 @@ if [ -f "$VHOST_CONFIG" ]; then
     # If rules are not already in place, add them.
     if ! sudo grep -qF "$MARKER" "$VHOST_CONFIG"; then
         
-        # Remove any existing rewrite block to ensure a clean state.
+        # Ensure xmlstarlet is installed, as it's the safest way to edit XML.
-        sudo sed -i '/\s*<rewrite>/,/<\/rewrite>/d' "$VHOST_CONFIG"
+        if ! command -v xmlstarlet &> /dev/null; then
+            echo "xmlstarlet not found. Installing for safe XML editing..." >&2
+            if ! sudo dnf install -y xmlstarlet; then
+                echo "FATAL: Failed to install xmlstarlet. Cannot safely modify vhost." >&2
+                exit 1
+            fi
+        fi
 
-        # Define the new rewrite block using a temporary file to avoid escaping issues.
+        # Define the new rules content. Note the lack of indentation.
-        REWRITE_TMP=$(mktemp)
+        # xmlstarlet will handle the formatting.
-        cat > "$REWRITE_TMP" <<'EOF'
+        NEW_RULES_CONTENT=$(cat <<'EOF'
-  <rewrite>
-    <enable>1</enable>
-    <logLevel>0</logLevel>
-    <rules>
 # PMA Gateway Security Rules
 # Allow access to the gateway scripts themselves
 RewriteCond %{REQUEST_URI} ^/access-db-.*\.php$
@@ -165,14 +167,19 @@ if [ -f "$VHOST_CONFIG" ]; then
 # For all other requests, block if the security cookie is not present
 RewriteCond %{HTTP_COOKIE} !pma_access_granted
 RewriteRule .* - [F,L]
-    </rules>
-  </rewrite>
 EOF
+)
         
-        # Use awk to insert the new block before the </vhssl> tag for robustness
+        # Use xmlstarlet to atomically update the rewrite block in-place.
-        sudo awk -v r="$(cat $REWRITE_TMP)" '{if (/\s*<vhssl>/) print r} {print}' "$VHOST_CONFIG" | sudo tee "$VHOST_CONFIG" > /dev/null
+        # This is far safer than sed/awk for structured XML.
+        if ! sudo xmlstarlet ed -L \
+            -u "//virtualHostConfig/rewrite/enable" -v "1" \
+            -u "//virtualHostConfig/rewrite/rules" -v "$NEW_RULES_CONTENT" \
+            "$VHOST_CONFIG"; then
+            echo "FATAL: xmlstarlet failed to update $VHOST_CONFIG." >&2
+            exit 1
+        fi
 
-        rm -f "$REWRITE_TMP"
         NEEDS_RESTART=1
     fi
 else