Add base64 subscription support

luci-app-podkop/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-podkop
 
-PKG_VERSION := $(if $(PODKOP_VERSION),$(PODKOP_VERSION),0.$(shell date +%d%m%Y))
+PKG_VERSION := $(if $(PODKOP_VERSION),$(PODKOP_VERSION),0.7.28)
 
 PKG_RELEASE:=1
 
@@ -27,4 +27,4 @@ define Package/$(PKG_NAME)/install
 	sed -i -e 's/__COMPILED_VERSION_VARIABLE__/$(PKG_VERSION)/g' $(1)$(HTDOCS)/luci-static/resources/view/podkop/main.js || true
 endef
 
-$(eval $(call BuildPackage,$(PKG_NAME)))
+$(eval $(call BuildPackage,$(PKG_NAME)))

podkop/Makefile

@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=podkop
 
-PKG_VERSION := $(if $(PODKOP_VERSION),$(PODKOP_VERSION),0.$(shell date +%d%m%Y))
+PKG_VERSION := $(if $(PODKOP_VERSION),$(PODKOP_VERSION),0.7.28)
 
 PKG_RELEASE:=1
 

podkop/files/usr/bin/podkop

@@ -206,6 +206,12 @@ download_subscription_into_cache() {
         return 1
     fi
 
+    if ! sing_box_cf_subscription_file_to_json "$tmpfile" "$tmpfile"; then
+        log "Downloaded subscription for section '$section' cannot be converted to sing-box JSON" "error"
+        rm -f "$tmpfile"
+        return 1
+    fi
+
     if ! validate_subscription_file "$tmpfile"; then
         log "Downloaded subscription for section '$section' is invalid" "error"
         rm -f "$tmpfile"

podkop/files/usr/lib/helpers.sh

@@ -404,7 +404,7 @@ generate_hwid() {
         "$(echo "$raw_hash" | cut -c13-16)"
 }
 
-# Downloads a subscription JSON from the given URL with custom headers
+# Downloads a subscription from the given URL with custom headers
 # Arguments:
 #   $1 - subscription URL
 #   $2 - output file path

podkop/files/usr/lib/sing_box_config_facade.sh

@@ -329,6 +329,90 @@ sing_box_cf_add_single_key_reject_rule() {
     echo "$config"
 }
 
+sing_box_cf_subscription_file_to_json() {
+    local input_path="$1"
+    local output_path="$2"
+
+    [ -s "$input_path" ] || return 1
+
+    if jq -e '
+        type == "object" and
+        (.outbounds | type == "array") and
+        ((.outbounds | length) > 0)
+    ' "$input_path" > /dev/null 2>&1; then
+        [ "$input_path" = "$output_path" ] || cp "$input_path" "$output_path"
+        return 0
+    fi
+
+    local raw_content decoded_content content
+    raw_content="$(cat "$input_path" 2>/dev/null)"
+
+    if is_base64 "$raw_content"; then
+        decoded_content="$(base64_decode "$raw_content")"
+        content="$decoded_content"
+    else
+        content="$raw_content"
+    fi
+
+    if printf '%s' "$content" | jq -e '
+        type == "object" and
+        (.outbounds | type == "array") and
+        ((.outbounds | length) > 0)
+    ' > /dev/null 2>&1; then
+        printf '%s' "$content" > "$output_path"
+        return 0
+    fi
+
+    local config link scheme i outbound_tag fragment display_name links_tmp
+    config='{"outbounds":[]}'
+    i=1
+    links_tmp="$(mktemp)" || return 1
+    printf '%s\n' "$content" > "$links_tmp"
+
+    while IFS= read -r link || [ -n "$link" ]; do
+        link="$(printf '%s' "$link" | tr -d '\r')"
+        [ -n "$link" ] || continue
+
+        scheme="$(url_get_scheme "$link")"
+        case "$scheme" in
+        socks4 | socks4a | socks5 | vless | ss | trojan | hysteria2 | hy2) ;;
+        *)
+            log "Skip unsupported subscription link scheme: $scheme" "warn"
+            continue
+            ;;
+        esac
+
+        if ! config="$(sing_box_cf_add_proxy_outbound "$config" "subscription-$i" "$link" "")"; then
+            rm -f "$links_tmp"
+            return 1
+        fi
+        outbound_tag="$(get_outbound_tag_by_section "subscription-$i")"
+
+        case "$link" in
+        *#*)
+            fragment="${link#*#}"
+            display_name="$(url_decode "$fragment")"
+            if [ -n "$display_name" ]; then
+                if ! config="$(printf '%s' "$config" | jq -c --arg tag "$outbound_tag" --arg display_name "$display_name" \
+                    '(.outbounds[] | select(.tag == $tag) | .tag) = $display_name')"; then
+                    rm -f "$links_tmp"
+                    return 1
+                fi
+            fi
+            ;;
+        esac
+
+        i=$((i + 1))
+    done < "$links_tmp"
+    rm -f "$links_tmp"
+
+    if ! printf '%s' "$config" | jq -e '(.outbounds | length) > 0' > /dev/null 2>&1; then
+        return 1
+    fi
+
+    printf '%s' "$config" | jq -c '{outbounds: .outbounds}' > "$output_path"
+}
+
 #######################################
 # Parse a sing-box subscription JSON and add all proxy outbounds to the configuration.
 # Filters out non-proxy types (selector, urltest, direct, dns, block).