Add diagnostic button (DPI checker)

luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/diagnost.js

@@ -0,0 +1,97 @@
+'use strict';
+'require baseclass';
+'require fs';
+'require poll';
+'require uci';
+'require ui';
+'require view';
+'require view.zapret2.tools as tools';
+
+const btn_style_neutral  = 'btn';
+const btn_style_action   = 'btn cbi-button-action';
+const btn_style_positive = 'btn cbi-button-save important';
+const btn_style_negative = 'btn cbi-button-reset important';
+const btn_style_warning  = 'btn cbi-button-negative';
+const btn_style_success  = 'btn cbi-button-success important';
+
+const fn_dwc_sh   = '/opt/'+tools.appName+'/dwc.sh';
+
+return baseclass.extend({
+    appendLog: function(msg, end = '\n')
+    {
+        this.logArea.value += msg + end;
+        this.logArea.scrollTop = this.logArea.scrollHeight;
+    },
+
+    dpiCheck: async function()
+    {
+        this._action = 'dpiCheck';
+        this.appendLog('DPI check [tcp 16-20]...');
+        this.appendLog('Original sources: https://github.com/hyperion-cs/dpi-checkers');
+        this.appendLog('WEB-version: https://hyperion-cs.github.io/dpi-checkers/ru/tcp-16-20/');
+        let cmd = [ fn_dwc_sh ];
+        let log = '/tmp/'+tools.appName+'_dwc.log';
+        let callback = this.execAndReadCallback;
+        let wnd = this;
+        return tools.execAndRead({ cmd: cmd, log: log, logArea: this.logArea, callback: callback, cbarg: wnd });
+    },
+
+    execAndReadCallback: function(wnd, rc, txt = '')
+    {
+        if (rc == 0 && txt) {
+            if (wnd._action == 'dpiCheck') {
+                wnd.appendLog('=========================================================');
+                return;
+            }
+        }
+        if (rc >= 500) {
+            if (txt) {
+                wnd.appendLog(txt.startsWith('ERROR') ? txt : 'ERROR: ' + txt);
+            } else {
+                wnd.appendLog('ERROR: ' + wnd._action + ': Terminated with error code = ' + rc);
+            }
+        } else {
+            wnd.appendLog('ERROR: Process finished with retcode = ' + rc);
+        }
+        wnd.setStage(999);
+        wnd.appendLog('=========================================================');
+    },
+
+    openDiagnostDialog: function(pkg_arch)
+    {
+        this.pkg_arch = pkg_arch;
+
+        this.logArea = E('textarea', {
+            'id': 'widget.modal_content',
+            'readonly': true,
+            'style': 'width:100% !important; font-family: monospace;',
+            'rows': 26,
+            'wrap': 'off',
+        });
+
+        this.btn_cancel = E('button', {
+            'id': 'btn_cancel',
+            'name': 'btn_cancel',
+            'class': btn_style_warning,
+        }, _('Cancel'));
+        this.btn_cancel.onclick = ui.hideModal;
+
+        this.btn_dpicheck = E('button', {
+            'id': 'btn_dpicheck',
+            'name': 'btn_dpicheck',
+            'class': btn_style_action,
+        }, _('DPI check [tcp 16-20]'));
+        this.btn_dpicheck.onclick = ui.createHandlerFn(this, () => { this.dpiCheck() });
+        
+        ui.showModal(_('Diagnostics'), [
+            E('div', { 'class': 'cbi-section' }, [
+                this.logArea,
+            ]),
+            E('div', { 'class': 'right' }, [
+                this.btn_dpicheck,
+                ' ',
+                this.btn_cancel,
+            ])
+        ]);
+    }    
+});

luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/service.js

@@ -5,6 +5,7 @@
 'require ui';
 'require view';
 'require view.zapret2.tools as tools';
+'require view.zapret2.diagnost as diagnost';
 'require view.zapret2.updater as updater';
 
 const btn_style_neutral  = 'btn';
@@ -23,6 +24,7 @@ return view.extend({
             restart : elems.btn_restart || document.getElementById('btn_restart'),
             stop    : elems.btn_stop    || document.getElementById('btn_stop'),
             reset   : elems.btn_reset   || document.getElementById('btn_reset'),
+            diag    : elems.btn_diag    || document.getElementById('btn_diag'),
             update  : elems.btn_update  || document.getElementById('btn_update'),
         };
     },
@@ -382,6 +384,10 @@ return view.extend({
         btn_reset.onclick   = L.bind(this.dialogResetCfg, this);
         layout_append(_('Reset settings to default'), null, [ btn_reset ] );
 
+        let btn_diag        = create_btn('btn_diag',  btn_style_action, _('Diagnostics'));
+        btn_diag.onclick    = ui.createHandlerFn(this, () => { diagnost.openDiagnostDialog(this.pkg_arch) });
+        layout_append('', null, [ btn_diag ] );
+
         let btn_update      = create_btn('btn_update',  btn_style_action, _('Update'));
         btn_update.onclick  = ui.createHandlerFn(this, () => { updater.openUpdateDialog(this.pkg_arch) });
         layout_append(_('Update package'), null, [ btn_update ] );
@@ -394,6 +400,7 @@ return view.extend({
             "btn_restart": btn_restart,
             "btn_stop": btn_stop,
             "btn_reset": btn_reset,
+            "btn_diag": btn_diag,
             "btn_update": btn_update,
         };
         this.setAppStatus(status_array, elems);

zapret2/dwc.sh

@@ -0,0 +1,118 @@
+#!/bin/sh
+# Copyright (c) 2026 remittor
+
+. /opt/zapret/comfunc.sh
+
+ZAP_TMP_DIR=/tmp/zapret_dwc
+
+rm -rf $ZAP_TMP_DIR
+
+CURL_TIMEOUT=5
+CURL_RANGETO=65535
+
+if ! command -v curl >/dev/null 2>&1; then
+	echo "ERROR: package \"curl\" not installed!"
+	return 10
+fi
+CURL_INFO=$( curl -V )
+if ! echo "$CURL_INFO" | grep -q 'https'; then
+	echo "------- package curl"
+	echo "$CURL_INFO"
+	echo "-------"
+	echo "ERROR: package \"curl\" not supported HTTPS protocol!"
+	echo "NOTE: Please install package \"curl-ssl\""
+	return 11
+fi
+
+#echo 'Original sources: https://github.com/hyperion-cs/dpi-checkers'
+#echo 'WEB-version: https://hyperion-cs.github.io/dpi-checkers/ru/tcp-16-20/'
+
+TEST_SUITE='[
+  { id: "US.CF-01", provider: "🇺🇸 Cloudflare", times: 1, url: "https://img.wzstats.gg/cleaver/gunFullDisplay" },
+  { id: "US.CF-02", provider: "🇺🇸 Cloudflare", times: 1, url: "https://genshin.jmp.blue/characters/all#" },
+  { id: "US.CF-03", provider: "🇺🇸 Cloudflare", times: 1, url: "https://api.frankfurter.dev/v1/2000-01-01..2002-12-31" },
+  { id: "US.CF-04", provider: "🇨🇦 Cloudflare", times: 1, url: "https://www.bigcartel.com/" },
+  { id: "US.DO-01", provider: "🇺🇸 DigitalOcean", times: 2, url: "https://genderize.io/" },
+  { id: "DE.HE-01", provider: "🇩🇪 Hetzner", times: 1, url: "https://j.dejure.org/jcg/doctrine/doctrine_banner.webp" },
+  { id: "DE.HE-02", provider: "🇩🇪 Hetzner", times: 1, url: "https://maps.gnosis.earth/ogcapi/api/swagger-ui/swagger-ui-standalone-preset.js#" },
+  { id: "FI.HE-01", provider: "🇫🇮 Hetzner", times: 1, url: "https://251b5cd9.nip.io/1MB.bin" },
+  { id: "FI.HE-02", provider: "🇫🇮 Hetzner", times: 1, url: "https://5fd8c176.nip.io/1MB.bin" },
+  { id: "FI.HE-03", provider: "🇫🇮 Hetzner", times: 1, url: "https://5fd8bdae.nip.io/1MB.bin" },
+  { id: "FI.HE-04", provider: "🇫🇮 Hetzner", times: 1, url: "https://5fd8bca5.nip.io/1MB.bin" },
+  { id: "FR.OVH-01", provider: "🇫🇷 OVH", times: 1, url: "https://eu.api.ovh.com/console/rapidoc-min.js" },
+  { id: "FR.OVH-02", provider: "🇫🇷 OVH", times: 1, url: "https://ovh.sfx.ovh/10M.bin" },
+  { id: "SE.OR-01", provider: "🇸🇪 Oracle", times: 1, url: "https://oracle.sfx.ovh/10M.bin" },
+  { id: "DE.AWS-01", provider: "🇩🇪 AWS", times: 1, url: "https://www.getscope.com/assets/fonts/fa-solid-900.woff2" },
+  { id: "US.AWS-01", provider: "🇺🇸 AWS", times: 1, url: "https://corp.kaltura.com/wp-content/cache/min/1/wp-content/themes/airfleet/dist/styles/theme.css" },
+  { id: "US.GC-01", provider: "🇺🇸 Google Cloud", times: 1, url: "https://api.usercentrics.eu/gvl/v3/en.json" },
+  { id: "US.FST-01", provider: "🇺🇸 Fastly", times: 1, url: "https://www.jetblue.com/main.c7b61d59416f714f.js" },
+  { id: "CA.FST-01", provider: "🇨🇦 Fastly", times: 1, url: "https://www.cnn10.com/" },
+  { id: "US.AKM-01", provider: "🇺🇸 Akamai", times: 1, url: "https://www.roxio.com/static/roxio/images/products/creator/nxt9/call-action-footer-bg.jpg" },
+  { id: "PL.AKM-01", provider: "🇵🇱 Akamai", times: 1, url: "https://media-assets.stryker.com/is/image/stryker/gateway_1?$max_width_1410$" },
+  { id: "US.CDN77-01", provider: "🇺🇸 CDN77", times: 1, url: "https://cdn.eso.org/images/banner1920/eso2520a.jpg" },
+  { id: "FR.CNTB-01", provider: "🇫🇷 Contabo", times: 1, url: "https://airsea.no/images/main_logo.png" },
+  { id: "NL.SW-01", provider: "🇳🇱 Scaleway", times: 1, url: "https://www.velivole.fr/img/header.jpg" },
+  { id: "US.CNST-01", provider: "🇺🇸 Constant", times: 1, url: "https://cdn.xuansiwei.com/common/lib/font-awesome/4.7.0/fontawesome-webfont.woff2?v=4.7.0" }
+]'
+
+function trim
+{
+	echo "$1" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+}
+
+mkdir -p $ZAP_TMP_DIR
+
+ID=0
+while IFS='|' read -r TAG PROVIDER TIMES URL; do
+	[ -z "$TAG" ] && continue
+	ID=$((ID+1))
+	ID3=$(printf '%03d' "$ID")
+	COUNTRY="$(echo "$TAG" | cut -d. -f1)"
+	CNTFLAG="$(echo "$PROVIDER" | awk '{print $1}')"
+	PROVIDER="$(echo "$PROVIDER" | cut -d' ' -f2-)"
+	URL_NO_PROTO="${URL#*://}"
+	DOMAIN="${URL_NO_PROTO%%/*}"
+	URLPATH="/${URL_NO_PROTO#*/}"
+	[ "$URLPATH" = "/$URL_NO_PROTO" ] && URLPATH="/"
+	#echo "TAG=$TAG , COUNTRY=$COUNTRY , PROVIDER=$PROVIDER , TIMES=$TIMES , URL=$URL"
+	(
+		DST_IP=$( curl -4 -s -o /dev/null -w '%{remote_ip}\n' $DOMAIN )
+		if [ -z "$DST_IP" ]; then
+			DST_IP="$( ping -c1 "$DOMAIN" 2>/dev/null | sed -n '1s/.*(\([0-9.]*\)).*/\1/p')"
+		fi
+		curl -k $URL --resolve $DOMAIN:443:$DST_IP -o /dev/null -s -w '%{size_download}\n' --max-time $CURL_TIMEOUT --range 0-$CURL_RANGETO
+	) >"$ZAP_TMP_DIR/$ID3.$TAG.txt" 2>&1 &
+done <<EOF
+$(printf '%s\n' "$TEST_SUITE" | sed -n '
+s/.*id:[[:space:]]*"\([^"]*\)".*provider:[[:space:]]*"\([^"]*\)".*times:[[:space:]]*\([0-9]\+\).*url:[[:space:]]*"\([^"]*\)".*/\1|\2|\3|\4/p
+')
+EOF
+
+wait
+
+for file in $(ls "$ZAP_TMP_DIR"/*.txt | sort); do
+	[ -f "$file" ] || continue
+	tag="${file##*/}"
+	tag="${tag%.txt}"
+	tag="${tag#*.}"
+	res=$( cat "$file" )
+	res=$( trim "$res" )
+	status=
+	case "$res" in
+		''|*[!0-9]*)
+			status="Error (incorrect value)"
+			;;
+	esac
+	if [ -z "$status" ]; then
+		if [ "$res" = 0 ]; then
+			status="Possibly detected"
+		elif [ "$res" -lt $CURL_RANGETO ]; then
+			status="Failed to complete detection"
+		else
+			status="[ OK ]"
+		fi
+	fi
+	printf '%12s: %s \n' "$tag" "$status"
+done
+
+return 0