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backend/node_modules/imapflow/lib/commands/enable.js

@@ -0,0 +1,43 @@
+'use strict';
+
+// Enables extensions
+module.exports = async (connection, extensionList) => {
+    if (!connection.capabilities.has('ENABLE') || connection.state !== connection.states.AUTHENTICATED) {
+        // nothing to do here
+        return;
+    }
+
+    extensionList = extensionList.filter(extension => connection.capabilities.has(extension.toUpperCase()));
+    if (!extensionList.length) {
+        return;
+    }
+
+    let response;
+    try {
+        let enabled = new Set();
+        response = await connection.exec(
+            'ENABLE',
+            extensionList.map(extension => ({ type: 'ATOM', value: extension.toUpperCase() })),
+            {
+                untagged: {
+                    ENABLED: async untagged => {
+                        if (!untagged.attributes || !untagged.attributes.length) {
+                            return;
+                        }
+                        untagged.attributes.forEach(attr => {
+                            if (attr.value && typeof attr.value === 'string') {
+                                enabled.add(attr.value.toUpperCase().trim());
+                            }
+                        });
+                    }
+                }
+            }
+        );
+        connection.enabled = enabled;
+        response.next();
+        return enabled;
+    } catch (err) {
+        connection.log.warn({ err, cid: connection.id });
+        return false;
+    }
+};