Projektstart

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

@@ -0,0 +1,41 @@
+'use strict';
+
+const { enhanceCommandError } = require('../tools.js');
+
+// Deletes specified messages
+module.exports = async (connection, range, options) => {
+    if (connection.state !== connection.states.SELECTED || !range) {
+        // nothing to do here
+        return;
+    }
+
+    options = options || {};
+
+    await connection.messageFlagsAdd(range, ['\\Deleted'], options);
+
+    let byUid = options.uid && connection.capabilities.has('UIDPLUS');
+    let command = byUid ? 'UID EXPUNGE' : 'EXPUNGE';
+    let attributes = byUid ? [{ type: 'SEQUENCE', value: range }] : false;
+
+    let response;
+    try {
+        response = await connection.exec(command, attributes);
+
+        // A OK [HIGHESTMODSEQ 9122] Expunge completed (0.010 + 0.000 + 0.012 secs).
+        let section = response.response.attributes && response.response.attributes[0] && response.response.attributes[0].section;
+        let responseCode = section && section.length && section[0] && typeof section[0].value === 'string' ? section[0].value : '';
+        if (responseCode.toUpperCase() === 'HIGHESTMODSEQ') {
+            let highestModseq = section[1] && typeof section[1].value === 'string' && !isNaN(section[1].value) ? BigInt(section[1].value) : false;
+            if (highestModseq && (!connection.mailbox.highestModseq || highestModseq > connection.mailbox.highestModseq)) {
+                connection.mailbox.highestModseq = highestModseq;
+            }
+        }
+
+        response.next();
+        return true;
+    } catch (err) {
+        await enhanceCommandError(err);
+        connection.log.warn({ err, cid: connection.id });
+        return false;
+    }
+};