Implemented fake data lookup using attestation token.

src/app/spreed-webrtc-server/hub.go

@@ -267,6 +267,14 @@ func (h *Hub) EncodeAttestation(session *Session) (string, error) {
 
 }
 
+func (h *Hub) DecodeAttestation(token string) (string, error) {
+
+	var id string
+	err := h.attestations.Decode("attestation", token, &id)
+	return id, err
+
+}
+
 func (h *Hub) EncodeSessionToken(st *SessionToken) (string, error) {
 
 	return h.tickets.Encode(h.tokenName, st)
@@ -465,13 +473,27 @@ func (h *Hub) sessionsHandler(c *Connection, srq *DataSessionsRequest, iid strin
 		}
 		// Find foreign user.
 		h.mutex.RLock()
-		defer h.mutex.RUnlock()
 		user, ok := h.userTable[userid]
+		h.mutex.RUnlock()
 		if !ok {
 			return
 		}
 		// Add sessions for forein user.
 		users = user.SessionsData()
+	case "session":
+		id, err := h.DecodeAttestation(srq.Token)
+		if err != nil {
+			log.Println("Failed to decode incoming attestation", err, srq.Token)
+			return
+		}
+		h.mutex.RLock()
+		session, ok := h.sessionTable[id]
+		h.mutex.RUnlock()
+		if !ok {
+			return
+		}
+		users = make([]*DataSession, 1, 1)
+		users[0] = session.Data()
 	default:
 		log.Println("Unkown incoming sessions request type", srq.Type)
 	}

static/js/filters/buddyimagesrc.js

@@ -77,7 +77,7 @@ define(["underscore"], function(_) {
 
 		return function(id) {
 
-			var scope = buddyData.lookup(id);
+			var scope = buddyData.lookup(id, false, true);
 			if (scope) {
 				var display = scope.display;
 				if (display) {

static/js/filters/displayname.js

@@ -33,7 +33,7 @@ define([], function() {
 			if (id === group_chat_id) {
 				return "";
 			}
-			var scope = buddyData.lookup(id);
+			var scope = buddyData.lookup(id, false, true);
 			if (scope) {
 				if (scope.display.displayName) {
 					return scope.display.displayName;

static/js/services/buddydata.js

@@ -21,12 +21,13 @@
 define(['underscore'], function(underscore) {
 
 	// buddyData
-	return ["contactData", "mediaStream", function(contactData, mediaStream) {
+	return ["contactData", "mediaStream", "$rootScope", function(contactData, mediaStream, $rootScope) {
 
 		var scopes = {};
 		var brain = {};
 		var pushed = {};
 		var attestations = {};
+		var fakes = {};
 		var count = 0;
 
 		var buddyData = {
@@ -40,10 +41,15 @@ define(['underscore'], function(underscore) {
 			push: function(id) {
 				var entry = pushed[id];
 				if (!entry) {
-					entry = pushed[id] = {
-						count: 1,
-						scope: scopes[id]
-					};
+					var scope = scopes[id];
+					if (scope) {
+						entry = pushed[id] = {
+							count: 1,
+							scope: scopes[id]
+						};
+					} else {
+						return 0;
+					}
 				} else {
 					entry.count++;
 				}
@@ -105,18 +111,48 @@ define(['underscore'], function(underscore) {
 					}
 				}
 			},
-			lookup: function(id, onlyactive) {
-				var scope = null;
+			lookup: function(id, onlyactive, withfakes) {
+				if (!id) {
+					return;
+				}
 				if (scopes.hasOwnProperty(id)) {
-					scope = scopes[id];
+					return scopes[id];
 				} else if (!onlyactive) {
 					if (brain.hasOwnProperty(id)) {
-						scope = brain[id];
+						return brain[id];
 					} else if (pushed.hasOwnProperty(id)) {
-						scope = pushed[id].scope;
+						return pushed[id].scope;
+					}
+					if (withfakes) {
+						var fake = fakes[id];
+						//console.log("check fake", id, fake);
+						if (fake) {
+							//console.log("found fake", fake);
+							if (fake.display) {
+								return fake;
+							}
+						} else {
+							if (attestations.hasOwnProperty(id)) {
+								// Fetch with help of session attestation token.
+								fake = fakes[id] = {};
+								var token = attestations[id].a;
+								console.log("attestation request", id);
+								mediaStream.api.sendSessions(token, "session", function(event, type, data) {
+									console.log("attestation session response", id, type, data);
+									if (data.Users && data.Users.length > 0) {
+										var s = data.Users[0];
+										fake.display = {
+											displayName: s.Status.displayName
+										}
+										// TODO(longsleep): Find a better way to apply this than digest on root scope.
+										$rootScope.$digest();
+									}
+								});
+							}
+						}
 					}
 				}
-				return scope;
+				return null;
 			},
 			del: function(id, hard) {
 				var scope = scopes[id];
@@ -158,7 +194,7 @@ define(['underscore'], function(underscore) {
 					}
 				}
 				if (create) {
-					//console.log("Created attestation entry", from);
+					console.log("Created attestation entry", from);
 					attestations[from] = {
 						a: attestation,
 						t: (new Date().getTime())