hook LicensingFacade

jetbra-agent/src/main/java/com/novitechie/jetbra/AgentMain.java

@@ -30,6 +30,12 @@ public class AgentMain {
                                 .on(ElementMatchers.named("getUserOptionsFile"))))
                 .asTerminalTransformation()
 
+                .type(ElementMatchers.named("com.intellij.ui.LicensingFacade"))
+                .transform((builder, typeDescription, classLoader, javaModule, protectionDomain) ->
+                        builder.visit(Advice.to(LicensingFacadeAdvice.class)
+                                .on(ElementMatchers.named("getLicenseExpirationDate"))))
+                .asTerminalTransformation()
+
                 .installOn(inst);
 
         agentBuilder.installOn(inst);
@@ -37,10 +43,10 @@ public class AgentMain {
 
     static AgentBuilder newAgentBuilder() {
         return new AgentBuilder.Default()
-                .with(AgentBuilder.RedefinitionStrategy.RETRANSFORMATION)
+                .ignore(ElementMatchers.none())
-                .with(AgentBuilder.InitializationStrategy.NoOp.INSTANCE)
+                .with(AgentBuilder.RedefinitionStrategy.REDEFINITION)
-                .with(AgentBuilder.TypeStrategy.Default.REDEFINE)
+                .with(AgentBuilder.Listener.StreamWriting.toSystemError().withErrorsOnly())
-                .ignore(ElementMatchers.nameStartsWith("net.bytebuddy."));
+                .with(AgentBuilder.Listener.StreamWriting.toSystemOut().withTransformationsOnly());
     }
 
 

jetbra-agent/src/main/java/com/novitechie/jetbra/LicensingFacadeAdvice.java

@@ -0,0 +1,22 @@
+package com.novitechie.jetbra;
+
+import net.bytebuddy.asm.Advice;
+
+import java.util.Calendar;
+import java.util.Date;
+
+public class LicensingFacadeAdvice {
+
+    @Advice.OnMethodExit
+    public static void intercept(@Advice.Return(readOnly = false) Date expirationDate) {
+        RuntimeException e = new RuntimeException();
+        for (StackTraceElement stackTraceElement : e.getStackTrace()) {
+            if (stackTraceElement.getFileName() == null){
+                Calendar calendar = Calendar.getInstance();
+                calendar.add(Calendar.DAY_OF_MONTH, 50);
+                expirationDate = calendar.getTime();
+                break;
+            }
+        }
+    }
+}

jetbra-server/src/main/resources/public/index.html

@@ -795,10 +795,13 @@
 </main>
 <footer class="flex items-center justify-between">
     <div class="text-sm text-grey">Theme by QieTuZai</div>
-    <div class="text-sm text-grey"><button class="jetbra-button" onclick="showLicenseForm()">Refill licensee information</button></div>
+    <div class="text-sm text-grey">
+        <button class="jetbra-button" onclick="showLicenseForm()">Refill licensee information</button>
+    </div>
     <div class="text-sm text-grey">Copy from ja-netfilter</div>
 </footer>
-<div id ="mask" style="position:fixed;top:0;left:0;z-index:998;width:100%;height:100%;display:none;background-color:#000;opacity:0.5;overflow:hidden;"></div>
+<div id="mask"
+     style="position:fixed;top:0;left:0;z-index:998;width:100%;height:100%;display:none;background-color:#000;opacity:0.5;overflow:hidden;"></div>
 <div id="form" style="position:fixed;top:20%;left:40%;width:40%;height:500px;z-index:999;display:none;">
     <div class="form">
         <div class="title">Welcome</div>
@@ -858,9 +861,127 @@
 </script>
 
 <script>
-    // const codes = ["YTD", "QDGO", "MF", "DG", "PS", "QA", "IIE", "YTWE", "FLS", "DLE", "RFU", "PPS", "PCWMP", "II", "TCC", "RSU", "PCC", "RC", "PCE", "FLIJ", "TBA", "DL", "SPP", "QDCLD", "SPA", "DMCLP", "PSW", "GW", "PSI", "IIU", "DMU", "PWS", "HB", "WS", "PCP", "KT", "DCCLT", "RSCLT", "WRS", "RSC", "RRD", "TC", "IIC", "QDPY", "DPK", "DC", "PDB", "DPPS", "QDPHP", "GO", "HCC", "RDCPPP", "QDJVMC", "CL", "DM", "CWML", "FLL", "RR", "QDJS", "RS", "RM", "DS", "MPS", "DPN", "US", "CLN", "DPCLT", "RSV", "MPSIIP", "DB", "QDANDC", "AC", "QDJVM", "PRB", "RD", "CWMR", "SP", "RS0", "DP", "RSF", "PGO", "QDPYC", "PPC", "PC", "EHS", "RSCHB", "FL", "QDNET", "JCD"]
+    const pemEncodedKey = `-----BEGIN PRIVATE KEY-----
-    window.copyLicense = async function (e) {
+MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQC3p6nBj9mcRpGK
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+17M9lCizO9o9dONdHsHfNQi6y9Jcnw==
+-----END PRIVATE KEY-----`;
 
+
+    const pemEncodedCrt = `-----BEGIN CERTIFICATE-----
+MIIEtTCCAp2gAwIBAgIUDyuccmylba71lZQAQic5TJiAhwwwDQYJKoZIhvcNAQEL
+BQAwGDEWMBQGA1UEAwwNSmV0UHJvZmlsZSBDQTAeFw0yMzA5MjkxNDA2MTJaFw0z
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+/uYKczZ8DKZu
+-----END CERTIFICATE-----`;
+
+    function pem2base64(pem) {
+        return pem.split('\n').reduce((base64, line) => line.includes("--") ? base64 : base64 + line, '');
+    }
+
+    function arrayBufferToBase64(buffer) {
+        return btoa([...new Uint8Array(buffer)].map(b => String.fromCharCode(b)).join(''));
+    }
+
+    function base64ToArrayBuffer(base64) {
+        return Uint8Array.from(atob(base64), c => c.charCodeAt(0)).buffer;
+    }
+
+    function genLicenseId() {
+        const CHARSET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+        return Array.from({length: 10}, () => {
+            let idx = Math.floor(Math.random() * CHARSET.length);
+            return CHARSET[idx];
+        }).join('');
+    }
+
+    function buildLicensePartJson(products, licenseId) {
+        return JSON.stringify({
+            "licenseId": licenseId,
+            "licenseeName": "reborn",
+            "assigneeName": "reborn",
+            "assigneeEmail": "",
+            "licenseRestriction": "",
+            "checkConcurrentUse": false,
+            "products": products,
+            "metadata": "0120230102PPAA013009",
+            "hash": "41472961/0:1563609451",
+            "gracePeriodDays": 7,
+            "autoProlongated": true,
+            "isAutoProlongated": true
+        })
+    }
+
+    window.copyLicense = async function (e) {
         while (localStorage.getItem('licenseInfo') === null) {
             document.getElementById('mask').style.display = 'block'
             document.getElementById('form').style.display = 'block'
@@ -875,31 +996,23 @@
                 paidUpTo: licenseInfo.expiryDate
             }
         })
-        let data = {
+        let licenseId = genLicenseId()
-            "licenseeName": licenseInfo.licenseeName,
+        let licensePartJson = buildLicensePartJson(products, licenseId)
-            "assigneeName": licenseInfo.assigneeName,
+
-            "assigneeEmail": "",
+        let privateKey = await window.crypto.subtle.importKey("pkcs8", base64ToArrayBuffer(pem2base64(pemEncodedKey)), {
-            "licenseRestriction": "",
+            name: "RSASSA-PKCS1-v1_5", hash: "SHA-1",
-            "checkConcurrentUse": false,
+        }, true, ["sign"]);
-            "products": products,
+
-            "metadata": "0120230102PPAA013009",
+        let licensePartBase64 = btoa(unescape(encodeURIComponent(licensePartJson)));
-            "hash": "41472961/0:1563609451",
+        let sigResultsBase64 = arrayBufferToBase64(await window.crypto.subtle.sign("RSASSA-PKCS1-v1_5", privateKey, new TextEncoder().encode(licensePartJson)));
-            "gracePeriodDays": 7,
+        let cert_base64 = pem2base64(pemEncodedCrt);
-            "autoProlongated": true,
+
-            "isAutoProlongated": true
+        navigator.clipboard.writeText(`${licenseId}-${licensePartBase64}-${sigResultsBase64}-${cert_base64}`)
-        }
-        let resp = await fetch('/generateLicense', {
-            method: 'POST',
-            headers: {
-                'Content-Type': 'application/json'
-            },
-            body: JSON.stringify(data)
-        }).then(response => response.json())
-        navigator.clipboard.writeText(resp.license)
             .then(() => {
                 alert("The activation code has been copied to your clipboard");
             })
     }
+
 </script>
 </body>
 </html>