Implement XEP-0448: Stateless File Sharing

This adds a file sharing manager that is capable of using multiple back
ends. Currently implemented are a normal HTTP File Upload backend and an
encrypted HTTP File Upload. Jingle File Transfer could be implemented
later.

Co-authored-by: Linus Jahn <lnj@kaidan.im>

1 files changed, 23 insertions, 0 deletions

diff --git a/src/base/QXmppFileShare.cpp b/src/base/QXmppFileShare.cpp
index 9dd4b686..28276b0c 100644
--- a/src/base/QXmppFileShare.cpp
+++ b/src/base/QXmppFileShare.cpp
@@ -125,6 +125,29 @@ void QXmppFileShare::setEncryptedSourecs(const QVector<QXmppEncryptedFileSource>
 }
 
 /// \cond
+void QXmppFileShare::visitSources(std::function<bool(const std::any &)> &&visitor) const
+{
+    for (const auto &httpSource : d->httpSources) {
+        if (visitor(httpSource)) {
+            return;
+        }
+    }
+    for (const auto &encryptedSource : d->encryptedSources) {
+        if (visitor(encryptedSource)) {
+            return;
+        }
+    }
+}
+
+void QXmppFileShare::addSource(const std::any &source)
+{
+    if (source.type() == typeid(QXmppHttpFileSource)) {
+        d->httpSources.push_back(std::any_cast<QXmppHttpFileSource>(source));
+    } else if (source.type() == typeid(QXmppEncryptedFileSource)) {
+        d->encryptedSources.push_back(std::any_cast<QXmppEncryptedFileSource>(source));
+    }
+}
+
 bool QXmppFileShare::parse(const QDomElement &el)
 {
     if (el.tagName() == "file-sharing" && el.namespaceURI() == ns_sfs) {