Account for "@context" in outbox.json being array

"@context" in the outbox.json file is not always a string and sometimes
might be an array with multiple elements. This patch implements a
json_check_item method which checks for the
existence of "https://www.w3.org/ns/activitystreams" in both cases.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/archive_parser.h b/src/archive_parser.h
index 7377120..7f41878 100644
--- a/src/archive_parser.h
+++ b/src/archive_parser.h
@@ -49,4 +49,8 @@ private:
     QStringList get_status_object_language_list(QJsonObject obj, QString element_name);
     std::vector<APAttachmentFields> get_status_attachments_list(QJsonValueRef attachments_ref);
     void find_attachment_dir(QString example_attachment);
+
+    // Check the `object`, which may be a simple string or a QJsonArray, for the existance of a string `item`.
+    // Returns true if the `item` exists, else false.
+    bool json_check_item(const QJsonValue& object, const QString& item);
 };