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

@@ -0,0 +1,79 @@
+'use strict';
+
+const { formatFlag, canUseFlag, enhanceCommandError } = require('../tools.js');
+
+// Updates flags for a message
+module.exports = async (connection, range, flags, options) => {
+    if (connection.state !== connection.states.SELECTED || !range || (options.useLabels && !connection.capabilities.has('X-GM-EXT-1'))) {
+        // nothing to do here
+        return false;
+    }
+
+    options = options || {};
+    let operation;
+
+    operation = 'FLAGS';
+
+    if (options.useLabels) {
+        operation = 'X-GM-LABELS';
+    } else if (options.silent) {
+        operation = `${operation}.SILENT`;
+    }
+
+    switch ((options.operation || '').toLowerCase()) {
+        case 'set':
+            // do nothing, keep operation value as is
+            break;
+        case 'remove':
+            operation = `-${operation}`;
+            break;
+        case 'add':
+        default:
+            operation = `+${operation}`;
+            break;
+    }
+
+    flags = (Array.isArray(flags) ? flags : [].concat(flags || []))
+        .map(flag => {
+            flag = formatFlag(flag);
+
+            if (!canUseFlag(connection.mailbox, flag) && operation !== 'remove') {
+                // it does not seem that we can set this flag
+                return false;
+            }
+
+            return flag;
+        })
+        .filter(flag => flag);
+
+    if (!flags.length && options.operation !== 'set') {
+        // nothing to do here
+        return false;
+    }
+
+    let attributes = [{ type: 'SEQUENCE', value: range }, { type: 'ATOM', value: operation }, flags.map(flag => ({ type: 'ATOM', value: flag }))];
+
+    if (options.unchangedSince && connection.enabled.has('CONDSTORE') && !connection.mailbox.noModseq) {
+        attributes.push([
+            {
+                type: 'ATOM',
+                value: 'UNCHANGEDSINCE'
+            },
+            {
+                type: 'ATOM',
+                value: options.unchangedSince.toString()
+            }
+        ]);
+    }
+
+    let response;
+    try {
+        response = await connection.exec(options.uid ? 'UID STORE' : 'STORE', attributes);
+        response.next();
+        return true;
+    } catch (err) {
+        await enhanceCommandError(err);
+        connection.log.warn({ err, cid: connection.id });
+        return false;
+    }
+};