working changes for new auth

liberals/auth.js

@@ -0,0 +1,36 @@
+const { globalConfig } = require("../index.js")
+
+async function checkToken(token,scope) {
+    return await fetch(`http://${globalConfig.couchdb.host}/auth/sessions`, {
+        headers: {
+            "Authorization": `Basic ${btoa(globalConfig.couchdb.authorization)}`
+        }
+    }).then(fetchRes => {
+
+        // CouchDB should only ever return 200/304 for success so this should work
+        // https://docs.couchdb.org/en/stable/api/document/common.html#get--db-docid
+        if (fetchRes.status !== 200 || fetchRes.status !== 304) { 
+            console.log(`ERROR: auth.js: Database request returned ${fetchRes.status}`)
+            return false
+        } else {
+
+            return fetchRes.json().then(dbRes => { 
+
+                if (dbRes.sessions[token] == undefined) { // If the token is not on the sessions list then reject
+                    return false
+                } else if (dbRes.sessions[token].scopes.includes(scope)) { // If the token is on the seesions list and includes the scope then accept
+                    return true
+                } else { // Otherwise reject
+                    return false
+                }
+
+            })
+        }
+
+    }).catch(error => {
+        console.log("ERROR: auth.js: " + error)
+        return false
+    })
+}
+
+module.exports = {checkToken}