diff options
Diffstat (limited to 'plugins/http-files/src/upload_stream_module.vala')
| -rw-r--r-- | plugins/http-files/src/upload_stream_module.vala | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/plugins/http-files/src/upload_stream_module.vala b/plugins/http-files/src/upload_stream_module.vala new file mode 100644 index 00000000..765d212e --- /dev/null +++ b/plugins/http-files/src/upload_stream_module.vala @@ -0,0 +1,159 @@ +using Xmpp; +using Xmpp.Core; +using Xmpp.Xep; + +namespace Dino.Plugins.HttpFiles { + +private const string NS_URI = "urn:xmpp:http:upload"; +private const string NS_URI_0 = "urn:xmpp:http:upload:0"; + +public class UploadStreamModule : XmppStreamModule { + public static Core.ModuleIdentity<UploadStreamModule> IDENTITY = new Core.ModuleIdentity<UploadStreamModule>(NS_URI, "0363_http_file_upload"); + + public signal void feature_available(XmppStream stream, int? max_file_size); + + public delegate void OnUploadOk(XmppStream stream, string url_down); + public delegate void OnError(XmppStream stream, string error); + public void upload(XmppStream stream, string file_uri, owned OnUploadOk listener, owned OnError error_listener) { + File file = File.new_for_path(file_uri); + FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE); + request_slot(stream, file.get_basename(), (int)file_info.get_size(), file_info.get_content_type(), + (stream, url_down, url_up) => { + uint8[] data; + FileUtils.get_data(file_uri, out data); + + Soup.Message message = new Soup.Message("PUT", url_up); + message.set_request(file_info.get_content_type(), Soup.MemoryUse.COPY, data); + Soup.Session session = new Soup.Session(); + session.send_async(message); + + listener(stream, url_up); + }, + error_listener); + } + + private delegate void OnSlotOk(XmppStream stream, string url_get, string url_put); + private void request_slot(XmppStream stream, string filename, int file_size, string? content_type, owned OnSlotOk listener, owned OnError error_listener) { + Flag? flag = stream.get_flag(Flag.IDENTITY); + if (flag != null) return; + + StanzaNode request_node; + if (flag.ns_ver == NS_URI_0) { + request_node = new StanzaNode.build("request", NS_URI_0).add_self_xmlns(); + request_node.put_attribute("filename", filename).put_attribute("size", file_size.to_string()); + if (content_type != null) request_node.put_attribute("content-type", content_type); + } else{ + request_node = new StanzaNode.build("request", NS_URI).add_self_xmlns() + .put_node(new StanzaNode.build("filename", NS_URI).put_node(new StanzaNode.text(filename))) + .put_node(new StanzaNode.build("size", NS_URI).put_node(new StanzaNode.text(file_size.to_string()))); + if (content_type != null) { + request_node.put_node(new StanzaNode.build("content-type", NS_URI).put_node(new StanzaNode.text(content_type))); + } + } + Iq.Stanza iq = new Iq.Stanza.get(request_node) { to=flag.file_store_jid }; + stream.get_module(Iq.Module.IDENTITY).send_iq(stream, iq, (stream, iq) => { + if (iq.is_error()) { + error_listener(stream, ""); + } else { + string? url_get = iq.stanza.get_deep_string_content(flag.ns_ver + ":slot", flag.ns_ver + ":get"); + string? url_put = iq.stanza.get_deep_string_content(flag.ns_ver + ":slot", flag.ns_ver + ":put"); + listener(stream, url_get, url_put); + } + }); + } + + public override void attach(XmppStream stream) { + Iq.Module.require(stream); + ServiceDiscovery.Module.require(stream); + + query_availability(stream); + } + + public override void detach(XmppStream stream) { + stream.get_module(Bind.Module.IDENTITY).bound_to_resource.disconnect(query_availability); + } + + public static void require(XmppStream stream) { + if (stream.get_module(IDENTITY) == null) stream.add_module(new ChatMarkers.Module()); + } + + public override string get_ns() { return NS_URI; } + public override string get_id() { return IDENTITY.id; } + + private void query_availability(XmppStream stream) { + stream.get_module(ServiceDiscovery.Module.IDENTITY).request_info(stream, stream.remote_name, (stream, info_result) => { + bool available = check_ns_in_info(stream, stream.remote_name, info_result); + if (!available) { + stream.get_module(ServiceDiscovery.Module.IDENTITY).request_items(stream, stream.remote_name, (stream, items_result) => { + foreach (Xep.ServiceDiscovery.Item item in items_result.items) { + if (item.name == "HTTP File Upload") { + stream.get_module(ServiceDiscovery.Module.IDENTITY).request_info(stream, item.jid, (stream, info_result) => { + check_ns_in_info(stream, item.jid, info_result); + }); + break; + } + } + }); + } + }); + } + + private bool check_ns_in_info(XmppStream stream, string jid, Xep.ServiceDiscovery.InfoResult info_result) { + bool ver_available = false; + bool ver_0_available = false; + foreach (string feature in info_result.features) { + if (feature == NS_URI_0) { + ver_0_available = true; + break; + } else if (feature == NS_URI) { + ver_available = true; + } + } + + if (ver_available || ver_0_available) { + int? max_file_size = extract_max_file_size(info_result); + if (ver_0_available) { + stream.add_flag(new Flag(jid, NS_URI_0)); + } else if (ver_available) { + stream.add_flag(new Flag(jid, NS_URI)); + } + + feature_available(stream, max_file_size); + return true; + } + return false; + } + + private int? extract_max_file_size(Xep.ServiceDiscovery.InfoResult info_result) { + string? max_file_size_str = null; + StanzaNode x_node = info_result.iq.stanza.get_deep_subnode("http://jabber.org/protocol/disco#info:query", "jabber:x:data:x"); + Gee.List<StanzaNode> field_nodes = x_node.get_subnodes("field", "jabber:x:data"); + foreach (StanzaNode node in field_nodes) { + string? var_attr = node.get_attribute("var"); + if (var_attr == "max-file-size") { + StanzaNode value_node = node.get_subnode("value", "jabber:x:data"); + max_file_size_str = value_node.get_string_content(); + break; + } + } + return max_file_size_str != null ? int.parse(max_file_size_str) : (int?) null; + } +} + +public class Flag : XmppStreamFlag { + public static FlagIdentity<Flag> IDENTITY = new FlagIdentity<Flag>(NS_URI, "service_discovery"); + + public string file_store_jid; + public string ns_ver; + public int? max_file_size; + + public Flag(string file_store_jid, string ns_ver) { + this.file_store_jid = file_store_jid; + this.ns_ver = ns_ver; + } + + public override string get_ns() { return NS_URI; } + public override string get_id() { return IDENTITY.id; } +} + +} |