Add JS library serving

dominiktilp · Feb 16, 2022 · 4702cf6 · 4702cf6
1 parent 5765f81
commit 4702cf6
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Showing 2 changed files with 102 additions and 1 deletion.
diff --git a/template.js b/template.js
@@ -9,13 +9,41 @@ const JSON = require('JSON');
 const logToConsole = require('logToConsole');
 const returnResponse = require('returnResponse');
 const setCookie = require('setCookie');
+const templateDataStorage = require('templateDataStorage');
+const sendHttpGet = require('sendHttpGet');
+const getTimestampMillis = require('getTimestampMillis');
 const sendHttpRequest = require('sendHttpRequest');
 const setResponseBody = require('setResponseBody');
 const setResponseHeader = require('setResponseHeader');
 const setResponseStatus = require('setResponseStatus');
 const getContainerVersion = require('getContainerVersion');
 const path = getRequestPath();
 
+// Check if this Client should serve exponea.js file
+if (path === data.proxyJsFilePath) {
+    claimRequest();
+
+    const now = getTimestampMillis();
+    const thirty_minutes_ago = now - (30 * 60 * 1000);
+
+    if (templateDataStorage.getItemCopy('exponea_js') == null || templateDataStorage.getItemCopy('exponea_stored_at') < thirty_minutes_ago) {
+        sendHttpGet('https://api.exponea.com/js/exponea.min.js', (statusCode, headers, body) => {
+            if (statusCode === 200) {
+                templateDataStorage.setItemCopy('exponea_js', body);
+                templateDataStorage.setItemCopy('exponea_headers', headers);
+                templateDataStorage.setItemCopy('exponea_stored_at', now);
+            }
+            sendProxyResponse(body, headers, statusCode);
+        });
+    } else {
+        sendProxyResponse(
+            templateDataStorage.getItemCopy('exponea_js'),
+            templateDataStorage.getItemCopy('exponea_headers'),
+            200
+        );
+    }
+}
+
 // Check if this Client should claim request
 if (path !== '/bulk' && path !== '/managed-tags/show'  && path !== ('/webxp/projects/'+data.projectToken+'/bundle')) {
     return;
@@ -136,6 +164,17 @@ function setResponseCookies(setCookieHeader) {
     }
 }
 
+function sendProxyResponse(response, headers, statusCode) {
+    setResponseStatus(statusCode);
+    setResponseBody(response);
+
+    for (const key in headers) {
+        setResponseHeader(key, headers[key]);
+    }
+
+    returnResponse();
+}
+
 function determinateIsLoggingEnabled() {
     if (!data.logType) {
         return isDebug;

diff --git a/template.tpl b/template.tpl
@@ -51,6 +51,18 @@ ___TEMPLATE_PARAMETERS___
       }
     ]
   },
+  {
+    "type": "TEXT",
+    "name": "proxyJsFilePath",
+    "displayName": "A path that will be used for the exponea.js serving",
+    "simpleValueType": true,
+    "valueValidators": [
+      {
+        "type": "NON_EMPTY"
+      }
+    ],
+    "defaultValue": "/js/exponea.min.js"
+  },
   {
     "type": "GROUP",
     "name": "logsGroup",
@@ -95,14 +107,43 @@ const JSON = require('JSON');
 const logToConsole = require('logToConsole');
 const returnResponse = require('returnResponse');
 const setCookie = require('setCookie');
+const templateDataStorage = require('templateDataStorage');
+const sendHttpGet = require('sendHttpGet');
+const getTimestampMillis = require('getTimestampMillis');
 const sendHttpRequest = require('sendHttpRequest');
 const setResponseBody = require('setResponseBody');
 const setResponseHeader = require('setResponseHeader');
 const setResponseStatus = require('setResponseStatus');
 const getContainerVersion = require('getContainerVersion');
+const path = getRequestPath();
+
+// Check if this Client should serve exponea.js file
+if (path === data.proxyJsFilePath) {
+    claimRequest();
+
+    const now = getTimestampMillis();
+    const thirty_minutes_ago = now - (30 * 60 * 1000);
+
+    if (templateDataStorage.getItemCopy('exponea_js') == null || templateDataStorage.getItemCopy('exponea_stored_at') < thirty_minutes_ago) {
+        sendHttpGet('https://api.exponea.com/js/exponea.min.js', (statusCode, headers, body) => {
+            if (statusCode === 200) {
+                templateDataStorage.setItemCopy('exponea_js', body);
+                templateDataStorage.setItemCopy('exponea_headers', headers);
+                templateDataStorage.setItemCopy('exponea_stored_at', now);
+            }
+            sendProxyResponse(body, headers, statusCode);
+        });
+    } else {
+        sendProxyResponse(
+            templateDataStorage.getItemCopy('exponea_js'),
+            templateDataStorage.getItemCopy('exponea_headers'),
+            200
+        );
+    }
+}
 
 // Check if this Client should claim request
-if (getRequestPath() !== '/exponea') {
+if (path !== '/bulk' && path !== '/managed-tags/show'  && path !== ('/webxp/projects/'+data.projectToken+'/bundle')) {
     return;
 }
 
@@ -221,6 +262,17 @@ function setResponseCookies(setCookieHeader) {
     }
 }
 
+function sendProxyResponse(response, headers, statusCode) {
+    setResponseStatus(statusCode);
+    setResponseBody(response);
+
+    for (const key in headers) {
+        setResponseHeader(key, headers[key]);
+    }
+
+    returnResponse();
+}
+
 function determinateIsLoggingEnabled() {
     if (!data.logType) {
         return isDebug;
@@ -455,6 +507,16 @@ ___SERVER_PERMISSIONS___
       "param": []
     },
     "isRequired": true
+  },
+  {
+    "instance": {
+      "key": {
+        "publicId": "access_template_storage",
+        "versionId": "1"
+      },
+      "param": []
+    },
+    "isRequired": true
   }
 ]