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namespace Xmpp.Xep.FileMetadataElement {
public const string NS_URI = "urn:xmpp:file:metadata:0";
public class FileMetadata {
public string? name { get; set; }
public FileContentType? content_type { get; set; }
public int64 size { get; set; default=-1; }
public string? desc { get; set; }
public DateTime? date { get; set; }
public int width { get; set; default=-1; } // Width of image in pixels
public int height { get; set; default=-1; } // Height of image in pixels
public Gee.List<CryptographicHashes.Hash> hashes = new Gee.ArrayList<CryptographicHashes.Hash>();
public int64 length { get; set; default=-1; } // Length of audio/video in milliseconds
public Gee.List<Xep.JingleContentThumbnails.Thumbnail> thumbnails = new Gee.ArrayList<Xep.JingleContentThumbnails.Thumbnail>();
public StanzaNode to_stanza_node() {
StanzaNode node = new StanzaNode.build("file", NS_URI).add_self_xmlns();
if (this.name != null) {
node.put_node(new StanzaNode.build("name", NS_URI).put_node(new StanzaNode.text(this.name)));
}
if (this.content_type != null) {
// TODO remove the media_type node, it was implemented by accident and temporary provides backwards-compatibility
node.put_node(new StanzaNode.build("media_type", NS_URI).put_node(new StanzaNode.text(this.content_type.get_mime_type())));
node.put_node(new StanzaNode.build("media-type", NS_URI).put_node(new StanzaNode.text(this.content_type.get_mime_type())));
}
if (this.size != -1) {
node.put_node(new StanzaNode.build("size", NS_URI).put_node(new StanzaNode.text(this.size.to_string())));
}
if (this.date != null) {
node.put_node(new StanzaNode.build("date", NS_URI).put_node(
new StanzaNode.text(DateTimeProfiles.format_time(this.date))
));
}
if (this.desc != null) {
node.put_node(new StanzaNode.build("desc", NS_URI).put_node(new StanzaNode.text(this.desc)));
}
if (this.width != -1) {
node.put_node(new StanzaNode.build("width", NS_URI).put_node(new StanzaNode.text(this.width.to_string())));
}
if (this.height != -1) {
node.put_node(new StanzaNode.build("height", NS_URI).put_node(new StanzaNode.text(this.height.to_string())));
}
if (this.length != -1) {
node.put_node(new StanzaNode.build("length", NS_URI).put_node(new StanzaNode.text(this.length.to_string())));
}
foreach (var hash in hashes) {
node.put_node(hash.to_stanza_node());
}
foreach (Xep.JingleContentThumbnails.Thumbnail thumbnail in this.thumbnails) {
node.put_node(thumbnail.to_stanza_node());
}
return node;
}
}
public static FileMetadata? get_file_metadata(StanzaNode node) {
StanzaNode? file_node = node.get_subnode("file", Xep.FileMetadataElement.NS_URI);
if (file_node == null) return null;
FileMetadata metadata = new FileMetadata();
StanzaNode? name_node = file_node.get_subnode("name");
if (name_node != null && name_node.get_string_content() != null) {
metadata.name = name_node.get_string_content();
}
StanzaNode? desc_node = file_node.get_subnode("desc");
if (desc_node != null && desc_node.get_string_content() != null) {
metadata.desc = desc_node.get_string_content();
}
// TODO remove media_type handling, it was implemented by accident and temporary provides backwards-compatibility
StanzaNode? mime_node_bad = file_node.get_subnode("media_type");
if (mime_node_bad != null && mime_node_bad.get_string_content() != null) {
metadata.content_type = new FileContentType.from_mime_type(mime_node_bad.get_string_content());
}
StanzaNode? mime_node = file_node.get_subnode("media-type");
if (mime_node != null && mime_node.get_string_content() != null) {
metadata.content_type = new FileContentType.from_mime_type(mime_node.get_string_content());
}
StanzaNode? size_node = file_node.get_subnode("size");
if (size_node != null && size_node.get_string_content() != null) {
metadata.size = int64.parse(size_node.get_string_content());
}
StanzaNode? date_node = file_node.get_subnode("date");
if (date_node != null && date_node.get_string_content() != null) {
metadata.date = DateTimeProfiles.parse_time(date_node.get_string_content());
}
StanzaNode? width_node = file_node.get_subnode("width");
if (width_node != null && width_node.get_string_content() != null) {
metadata.width = int.parse(width_node.get_string_content());
}
StanzaNode? height_node = file_node.get_subnode("height");
if (height_node != null && height_node.get_string_content() != null) {
metadata.height = int.parse(height_node.get_string_content());
}
StanzaNode? length_node = file_node.get_subnode("length");
if (length_node != null && length_node.get_string_content() != null) {
metadata.length = int.parse(length_node.get_string_content());
}
metadata.thumbnails = Xep.JingleContentThumbnails.get_thumbnails(file_node);
metadata.hashes = CryptographicHashes.get_hashes(file_node);
return metadata;
}
}
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