From fdf5006d3295856d8c92cf12273233a46a32c405 Mon Sep 17 00:00:00 2001
From: Jakub Adam <jakub.adam@ktknet.cz>
Date: Wed, 18 Jul 2012 21:47:00 +0200
Subject: [PATCH] Fix #3543294: Support Lync 2010 meet URLs

Backport of

   commit b5bca951f11b3dac864a1c1ef2a7108ea9cdd2a8
   commit f2e90629e633559e4336c6f2e700bd518510b270

but removed all translation changes.
---
 src/core/sipe-conf.c | 108 +++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 87 insertions(+), 21 deletions(-)

diff --git a/src/core/sipe-conf.c b/src/core/sipe-conf.c
index c0783913..2d31a2e3 100644
--- a/src/core/sipe-conf.c
+++ b/src/core/sipe-conf.c
@@ -288,40 +288,106 @@ process_invite_conf_focus_response(struct sipe_core_private *sipe_private,
 	return TRUE;
 }
 
+static gchar *
+parse_ocs_focus_uri(const gchar *uri)
+{
+	const gchar *confkey;
+	size_t uri_len;
+
+	if (!uri)
+		return NULL;
+
+	// URI can have this prefix if it was typed in by the user
+	if (g_str_has_prefix(uri, "meet:")) {
+		uri += 5;
+	}
+
+	uri_len = strlen(uri);
+
+	if (!uri || !g_str_has_prefix(uri, "sip:") ||
+		uri_len == 4 || g_strstr_len(uri, -1, "%")) {
+		return NULL;
+	}
+
+	confkey = g_strstr_len(uri, -1, "?");
+	if (confkey) {
+		/* TODO: Investigate how conf-key field should be used,
+		 * ignoring for now */
+		uri_len = confkey - uri;
+	}
+
+	return g_strndup(uri, uri_len);
+}
+
+static gchar *
+parse_lync_join_url(const gchar *uri)
+{
+	gchar *focus_uri = NULL;
+	gchar **parts;
+	int parts_count = 0;
+
+	if (!uri)
+		return NULL;
+
+	if (g_str_has_prefix(uri, "https://")) {
+		uri += 8;
+	} else if (g_str_has_prefix(uri, "http://")) {
+		uri += 7;
+	}
+
+	parts = g_strsplit(uri, "/", 0);
+
+	for (parts_count = 0; parts[parts_count]; ++parts_count);
+	if (parts_count >= 3) {
+		gchar *base_url = parts[0];
+		gchar *conference_id = parts[parts_count - 1];
+		gchar *organizer_alias = parts[parts_count - 2];
+
+		gchar **url_parts = g_strsplit(base_url, ".", 0);
+		int url_parts_count = 0;
+		for (url_parts_count = 0; url_parts[url_parts_count]; ++url_parts_count);
+
+		if (url_parts_count >= 3) {
+			focus_uri = g_strdup_printf("sip:%s@%s.%s;gruu;opaque=app:conf:focus:id:%s",
+					organizer_alias,
+					url_parts[url_parts_count - 2], url_parts[url_parts_count - 1],
+					conference_id);
+		}
+
+		g_strfreev(url_parts);
+	}
+
+	g_strfreev(parts);
+
+	return focus_uri;
+}
+
 struct sip_session *
 sipe_core_conf_create(struct sipe_core_public *sipe_public,
-		      const gchar *focus_uri)
+		      const gchar *uri)
 {
-	gchar *buf;
-	const gchar *focus_uri_ue;
+	gchar *uri_ue = sipe_utils_uri_unescape(uri);
+	gchar *focus_uri;
 	struct sip_session *session = NULL;
 
-	focus_uri_ue = buf = sipe_utils_uri_unescape(focus_uri);
-
-	// URI can have this prefix if it was typed in by the user
-	if (g_str_has_prefix(focus_uri_ue, "meet:"))
-		focus_uri_ue += 5;
+	focus_uri = parse_ocs_focus_uri(uri_ue);
+	if (!focus_uri) {
+		focus_uri = parse_lync_join_url(uri_ue);
+	}
 
-	if (!focus_uri_ue || !g_str_has_prefix(focus_uri_ue, "sip:") ||
-	    strlen(focus_uri_ue) == 4 || g_strstr_len(focus_uri_ue, -1, "%")) {
+	if (focus_uri) {
+		session = sipe_conf_create(SIPE_CORE_PRIVATE, NULL, focus_uri);
+		g_free(focus_uri);
+	} else {
 		gchar *error = g_strdup_printf(_("\"%s\" is not a valid focus URI"),
-					       focus_uri ? focus_uri : "");
+					       uri ? uri : "");
 		sipe_backend_notify_error(sipe_public,
 					  _("Failed to join the conference"),
 					  error);
 		g_free(error);
-	} else {
-		gchar *querystr = g_strstr_len(focus_uri_ue, -1, "?");
-		if (querystr) {
-			/* TODO: Investigate how conf-key field should be used,
-			 * ignoring for now */
-			*querystr = '\0';
-		}
-
-		session =  sipe_conf_create(SIPE_CORE_PRIVATE, NULL, focus_uri_ue);
 	}
 
-	g_free(buf);
+	g_free(uri_ue);
 
 	return session;
 }
-- 
2.11.4.GIT