Port to libsoup3

The port requires multiple version bumps:

- WebKitGTK 4.1
- librest 1.0

It also requires a comprehensive set of changes to adjust to changes in
the API of multiple projects.

Original commit by: Carlos Garcia Campos <cgarcia@igalia.com>
Additional work by: Michael Catanzaro <mcatanzaro@redhat.com>
Additional work by: Milan Crha <mcrha@redhat.com>

17 files changed, 233 insertions, 201 deletions

diff --git a/configure.ac b/configure.ac
index 1bde139..4e1fc3c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,15 +113,15 @@ if test "$enable_backend" != "no"; then
   AC_SUBST(GTK_CFLAGS)
   AC_SUBST(GTK_LIBS)
 
-  PKG_CHECK_MODULES(JAVASCRIPT_CORE_GTK, [javascriptcoregtk-4.0 >= 2.12.0])
+  PKG_CHECK_MODULES(JAVASCRIPT_CORE_GTK, [javascriptcoregtk-4.1 >= 2.33.1])
   AC_SUBST(JAVASCRIPT_CORE_GTK_CFLAGS)
   AC_SUBST(JAVASCRIPT_CORE_GTK_LIBS)
 
-  PKG_CHECK_MODULES(WEBKIT_GTK, [webkit2gtk-4.0 >= 2.26.0])
+  PKG_CHECK_MODULES(WEBKIT_GTK, [webkit2gtk-4.1 >= 2.33.1])
   AC_SUBST(WEBKIT_GTK_CFLAGS)
   AC_SUBST(WEBKIT_GTK_LIBS)
 
-  PKG_CHECK_MODULES(LIBSOUP, [libsoup-2.4 >= 2.42])
+  PKG_CHECK_MODULES(LIBSOUP, [libsoup-3.0 >= 2.99.8])
   AC_SUBST(LIBSOUP_CFLAGS)
   AC_SUBST(LIBSOUP_LIBS)
 
@@ -129,7 +129,7 @@ if test "$enable_backend" != "no"; then
   AC_SUBST(JSON_GLIB_CFLAGS)
   AC_SUBST(JSON_GLIB_LIBS)
 
-  PKG_CHECK_MODULES(REST, [rest-0.7])
+  PKG_CHECK_MODULES(REST, [rest-1.0])
   AC_SUBST(REST_CFLAGS)
   AC_SUBST(REST_LIBS)
 
diff --git a/meson.build b/meson.build
index c9f8c84..53edb13 100644
--- a/meson.build
+++ b/meson.build
@@ -97,13 +97,13 @@ endif
 enable_goabackend = get_option('goabackend')
 if enable_goabackend
   gtk_dep = dependency('gtk+-3.0', version: '>= 3.19.12')
-  javascript_core_gtk_dep = dependency('javascriptcoregtk-4.0', version: '>= 2.12.0')
+  javascript_core_gtk_dep = dependency('javascriptcoregtk-4.1', version: '>= 2.33.1')
   json_glib_dep = dependency('json-glib-1.0')
   libsecret_dep = dependency('libsecret-1')
-  libsoup_dep = dependency('libsoup-2.4', version: '>= 2.42')
+  libsoup_dep = dependency('libsoup-3.0', version: '>= 2.99.8')
   libxml_dep = dependency('libxml-2.0')
-  rest_dep = dependency('rest-0.7')
-  webkit_gtk_dep = dependency('webkit2gtk-4.0', version: '>= 2.26.0')
+  rest_dep = dependency('rest-1.0')
+  webkit_gtk_dep = dependency('webkit2gtk-4.1', version: '>= 2.33.1')
 endif
 config_h.set('GOA_BACKEND_ENABLED', enable_goabackend)
 
diff --git a/src/daemon/goadaemon.c b/src/daemon/goadaemon.c
index 564973e..e04e084 100644
--- a/src/daemon/goadaemon.c
+++ b/src/daemon/goadaemon.c
@@ -1494,7 +1494,7 @@ is_authorization_error (GError *error)
   g_return_val_if_fail (error != NULL, FALSE);
 
   ret = FALSE;
-  if (error->domain == REST_PROXY_ERROR || error->domain == SOUP_HTTP_ERROR)
+  if (error->domain == REST_PROXY_ERROR)
     {
       if (SOUP_STATUS_IS_CLIENT_ERROR (error->code))
         ret = TRUE;
diff --git a/src/examples/lastfm-shout.c b/src/examples/lastfm-shout.c
index 7b50743..08cdbfc 100644
--- a/src/examples/lastfm-shout.c
+++ b/src/examples/lastfm-shout.c
@@ -22,8 +22,7 @@
 #include <goa/goa.h>
 
 #include <locale.h>
-#include <rest/rest-proxy.h>
-#include <rest/rest-proxy-call.h>
+#include <rest/rest.h>
 
 int
 main (int argc, char **argv)
diff --git a/src/goabackend/goaewsclient.c b/src/goabackend/goaewsclient.c
index 4d1330f..4cb2358 100644
--- a/src/goabackend/goaewsclient.c
+++ b/src/goabackend/goaewsclient.c
@@ -63,6 +63,12 @@ goa_ews_client_new (void)
 
 typedef struct
 {
+  gchar *password;
+  gchar *username;
+} AutodiscoverAuthData;
+
+typedef struct
+{
   GCancellable *cancellable;
   GError *error;
   SoupMessage *msgs[2];
@@ -71,13 +77,16 @@ typedef struct
   guint pending;
   gulong cancellable_id;
   xmlOutputBuffer *buf;
+  AutodiscoverAuthData *auth;
 } AutodiscoverData;
 
-typedef struct
+static void
+ews_client_autodiscover_auth_data_free (AutodiscoverAuthData *auth)
 {
-  gchar *password;
-  gchar *username;
-} AutodiscoverAuthData;
+  g_free (auth->password);
+  g_free (auth->username);
+  g_slice_free (AutodiscoverAuthData, auth);
+}
 
 static void
 ews_client_autodiscover_data_free (gpointer user_data)
@@ -92,22 +101,12 @@ ews_client_autodiscover_data_free (gpointer user_data)
 
   g_clear_error (&data->error);
 
-  /* soup_session_queue_message stole the references to data->msgs */
   xmlOutputBufferClose (data->buf);
+  g_clear_pointer (&data->auth, ews_client_autodiscover_auth_data_free);
   g_object_unref (data->session);
   g_slice_free (AutodiscoverData, data);
 }
 
-static void
-ews_client_autodiscover_auth_data_free (gpointer data, GClosure *closure)
-{
-  AutodiscoverAuthData *auth = data;
-
-  g_free (auth->password);
-  g_free (auth->username);
-  g_slice_free (AutodiscoverAuthData, auth);
-}
-
 static gboolean
 ews_client_check_node (const xmlNode *node, const gchar *name)
 {
@@ -115,9 +114,8 @@ ews_client_check_node (const xmlNode *node, const gchar *name)
   return node->type == XML_ELEMENT_NODE && !g_strcmp0 ((gchar *) node->name, name);
 }
 
-static void
-ews_client_authenticate (SoupSession *session,
-                         SoupMessage *msg,
+static gboolean
+ews_client_authenticate (SoupMessage *msg,
                          SoupAuth *auth,
                          gboolean retrying,
                          gpointer user_data)
@@ -125,26 +123,26 @@ ews_client_authenticate (SoupSession *session,
   AutodiscoverAuthData *data = user_data;
 
   if (retrying)
-    return;
+    return FALSE;
 
   soup_auth_authenticate (auth, data->username, data->password);
+  return TRUE;
 }
 
-static void
-ews_client_request_started (SoupSession *session, SoupMessage *msg, SoupSocket *socket, gpointer user_data)
+static gboolean
+ews_client_accept_certificate (SoupMessage *msg, GTlsCertificate *cert, GTlsCertificateFlags cert_flags, gpointer user_data)
 {
   AutodiscoverData *data;
   GTask *task = G_TASK (user_data);
-  GTlsCertificateFlags cert_flags;
 
-  g_debug ("goa_ews_client_autodiscover(): request started (%p)", msg);
+  g_debug ("goa_ews_client_autodiscover(): accept certificate for request (%p)", msg);
 
   data = (AutodiscoverData *) g_task_get_task_data (task);
 
-  if (!data->accept_ssl_errors
-      && soup_message_get_https_status (msg, NULL, &cert_flags)
-      && cert_flags != 0
-      && data->error == NULL)
+  if (data->accept_ssl_errors || cert_flags == 0)
+    return TRUE;
+
+  if (data->error == NULL)
     {
       goa_utils_set_error_ssl (&data->error, cert_flags);
 
@@ -153,6 +151,8 @@ ews_client_request_started (SoupSession *session, SoupMessage *msg, SoupSocket *
        */
       soup_session_abort (data->session);
     }
+
+  return FALSE;
 }
 
 static void
@@ -191,9 +191,25 @@ ews_client_autodiscover_parse_protocol (xmlNode *node)
   return as_url && oab_url;
 }
 
+static gboolean
+ews_client_autodiscover_complete_idle_cb (gpointer user_data)
+{
+  GTask *task = user_data;
+  AutodiscoverData *data = g_task_get_task_data (task);
+
+  if (data->error != NULL)
+    g_task_return_error (task, g_steal_pointer (&data->error));
+  else
+    g_task_return_boolean (task, TRUE);
+
+  return G_SOURCE_REMOVE;
+}
+
 static void
-ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpointer user_data)
+ews_client_autodiscover_response_cb (SoupSession *session, GAsyncResult *result, gpointer user_data)
 {
+  SoupMessage *msg;
+  GBytes *body;
   GError *error = NULL;
   AutodiscoverData *data;
   GTask *task = G_TASK (user_data);
@@ -204,7 +220,11 @@ ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpo
   xmlDoc *doc;
   xmlNode *node;
 
-  g_debug ("goa_ews_client_autodiscover(): response (%p, %u)", msg, msg->status_code);
+  msg = soup_session_get_async_result_message (session, result);
+
+  g_debug ("goa_ews_client_autodiscover(): response (%p, %u)", msg, soup_message_get_status (msg));
+
+  body = soup_session_send_and_read_finish (session, result, &error);
 
   data = (AutodiscoverData *) g_task_get_task_data (task);
   size = sizeof (data->msgs) / sizeof (data->msgs[0]);
@@ -215,16 +235,19 @@ ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpo
         break;
     }
   if (idx == size || data->pending == 0)
-    return;
+    {
+      g_bytes_unref (body);
+      g_clear_object (&error);
+      g_object_unref (task);
+      return;
+    }
 
   data->msgs[idx] = NULL;
-  status = msg->status_code;
-
-  /* status == SOUP_STATUS_CANCELLED, if we are being aborted by the
+  /* G_IO_ERROR_CANCELLED, if we are being aborted by the
    * GCancellable, an SSL error or another message that was
    * successful.
    */
-  if (status == SOUP_STATUS_CANCELLED)
+  if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
     {
       /* If we are being aborted by the GCancellable, then the
        * GTask is responsible for setting the GError automatically.
@@ -235,21 +258,23 @@ ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpo
        */
       goto out;
     }
-  else if (status != SOUP_STATUS_OK)
+
+  status = soup_message_get_status (msg);
+  if (status != SOUP_STATUS_OK || error)
     {
-      g_warning ("goa_ews_client_autodiscover() failed: %u — %s", msg->status_code, msg->reason_phrase);
+      g_warning ("goa_ews_client_autodiscover() failed: %u — %s", status, soup_message_get_reason_phrase (msg));
       g_return_if_fail (data->error == NULL);
 
-      goa_utils_set_error_soup (&error, msg);
+      if (!error)
+        goa_utils_set_error_soup (&error, msg);
       goto out;
     }
 
-  soup_buffer_free (soup_message_body_flatten (SOUP_MESSAGE (msg)->response_body));
   g_debug ("The response headers");
   g_debug ("===================");
-  g_debug ("%s", SOUP_MESSAGE (msg)->response_body->data);
+  g_debug ("%s", (char *)g_bytes_get_data (body, NULL));
 
-  doc = xmlReadMemory (msg->response_body->data, msg->response_body->length, "autodiscover.xml", NULL, 0);
+  doc = xmlReadMemory (g_bytes_get_data (body, NULL), g_bytes_get_size (body), "autodiscover.xml", NULL, 0);
   if (doc == NULL)
     {
       g_set_error (&error,
@@ -333,7 +358,7 @@ ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpo
           /* The callback (ie. this function) will be invoked after we
            * have returned to the main loop.
            */
-          soup_session_cancel_message (data->session, data->msgs[idx], SOUP_STATUS_CANCELLED);
+          g_cancellable_cancel (data->cancellable);
         }
     }
 
@@ -360,10 +385,10 @@ ews_client_autodiscover_response_cb (SoupSession *session, SoupMessage *msg, gpo
   data->pending--;
   if (data->pending == 0)
     {
-      if (data->error != NULL)
-        g_task_return_error (task, g_steal_pointer (&data->error));
-      else
-        g_task_return_boolean (task, TRUE);
+      /* This is required, to not free the SoupSession under its hands (as this callback is called under it) */
+      GSource *idle_source = g_idle_source_new ();
+      g_source_set_callback (idle_source, ews_client_autodiscover_complete_idle_cb, g_object_ref (task), g_object_unref);
+      g_source_attach (idle_source, g_task_get_context (task));
     }
 
   g_clear_error (&error);
@@ -399,52 +424,56 @@ static void
 ews_client_post_restarted_cb (SoupMessage *msg, gpointer data)
 {
   xmlOutputBuffer *buf = data;
+  GBytes *body;
 
   /* In violation of RFC2616, libsoup will change a POST request to
    * a GET on receiving a 302 redirect.
    */
   g_debug ("Working around libsoup bug with redirect");
-  g_object_set (msg, SOUP_MESSAGE_METHOD, "POST", NULL);
+  g_object_set (msg, "method", "POST", NULL);
 
-  soup_message_set_request(msg,
-                           "text/xml; charset=utf-8",
-                           SOUP_MEMORY_COPY,
 #ifdef LIBXML2_NEW_BUFFER
-                           (gchar *) xmlOutputBufferGetContent(buf),
-                           xmlOutputBufferGetSize(buf));
+  body = g_bytes_new (xmlOutputBufferGetContent (buf), xmlOutputBufferGetSize (buf));
 #else
-                           (gchar *) buf->buffer->content,
-                           buf->buffer->use);
+  body = g_bytes_new (buf->buffer->content, buf->buffer->use);
 #endif
+  soup_message_set_request_body_from_bytes (msg, "text/xml; charset=utf-8", body);
+  g_bytes_unref (body);
 }
 
 static SoupMessage *
-ews_client_create_msg_for_url (const gchar *url, xmlOutputBuffer *buf)
+ews_client_create_msg_for_url (const gchar *url, xmlOutputBuffer *buf, AutodiscoverAuthData *auth, GTask *task)
 {
   SoupMessage *msg;
+  GBytes *body = NULL;
 
   msg = soup_message_new (buf != NULL ? "POST" : "GET", url);
-  soup_message_headers_append (msg->request_headers, "User-Agent", "libews/0.1");
+  soup_message_headers_append (soup_message_get_request_headers (msg),
+                               "User-Agent", "libews/0.1");
+
+  g_signal_connect (msg, "authenticate",
+                    G_CALLBACK (ews_client_authenticate),
+                    auth);
+  g_signal_connect (msg, "accept-certificate",
+                    G_CALLBACK (ews_client_accept_certificate),
+                    task);
 
   if (buf != NULL)
     {
-      soup_message_set_request (msg,
-                                "text/xml; charset=utf-8",
-                                SOUP_MEMORY_COPY,
 #ifdef LIBXML2_NEW_BUFFER
-                                (gchar *) xmlOutputBufferGetContent(buf),
-                                xmlOutputBufferGetSize(buf));
+      body = g_bytes_new (xmlOutputBufferGetContent (buf), xmlOutputBufferGetSize (buf));
 #else
-                                (gchar *) buf->buffer->content,
-                                buf->buffer->use);
+      body = g_bytes_new (buf->buffer->content, buf->buffer->use);
 #endif
+      soup_message_set_request_body_from_bytes (msg, "text/xml; charset=utf-8", body);
       g_signal_connect (msg, "restarted", G_CALLBACK (ews_client_post_restarted_cb), buf);
     }
 
-  soup_buffer_free (soup_message_body_flatten (SOUP_MESSAGE (msg)->request_body));
   g_debug ("The request headers");
   g_debug ("===================");
-  g_debug ("%s", SOUP_MESSAGE (msg)->request_body->data);
+  g_debug ("%*.s", body ? (int) g_bytes_get_size (body) : 0, body ? (char *)g_bytes_get_data (body, NULL) : "");
+  if (body)
+    g_bytes_unref (body);
 
   return msg;
 }
@@ -497,12 +526,15 @@ goa_ews_client_autodiscover (GoaEwsClient        *self,
    * (successful) one win.
    */
 
+  auth = g_slice_new0 (AutodiscoverAuthData);
+  auth->username = g_strdup (username);
+  auth->password = g_strdup (password);
+  data->auth = auth;
   data->buf = buf;
-  data->msgs[0] = ews_client_create_msg_for_url (url1, buf);
-  data->msgs[1] = ews_client_create_msg_for_url (url2, buf);
+  data->msgs[0] = ews_client_create_msg_for_url (url1, buf, auth, task);
+  data->msgs[1] = ews_client_create_msg_for_url (url2, buf, auth, task);
   data->pending = sizeof (data->msgs) / sizeof (data->msgs[0]);
-  data->session = soup_session_new_with_options (SOUP_SESSION_SSL_STRICT, FALSE,
-                                                 NULL);
+  data->session = soup_session_new ();
   soup_session_add_feature_by_type (data->session, SOUP_TYPE_AUTH_NTLM);
   data->accept_ssl_errors = accept_ssl_errors;
 
@@ -515,26 +547,18 @@ goa_ews_client_autodiscover (GoaEwsClient        *self,
                                                     NULL);
     }
 
-  auth = g_slice_new0 (AutodiscoverAuthData);
-  auth->username = g_strdup (username);
-  auth->password = g_strdup (password);
-  g_signal_connect_data (data->session,
-                         "authenticate",
-                         G_CALLBACK (ews_client_authenticate),
-                         auth,
-                         ews_client_autodiscover_auth_data_free,
-                         0);
-
-  g_signal_connect (data->session, "request-started", G_CALLBACK (ews_client_request_started), task);
-
-  soup_session_queue_message (data->session,
-                              data->msgs[0],
-                              ews_client_autodiscover_response_cb,
-                              g_object_ref (task));
-  soup_session_queue_message (data->session,
-                              data->msgs[1],
-                              ews_client_autodiscover_response_cb,
-                              g_object_ref (task));
+  soup_session_send_and_read_async (data->session,
+                                    data->msgs[0],
+                                    G_PRIORITY_DEFAULT,
+                                    data->cancellable,
+                                    (GAsyncReadyCallback)ews_client_autodiscover_response_cb,
+                                    g_object_ref (task));
+  soup_session_send_and_read_async (data->session,
+                                    data->msgs[1],
+                                    G_PRIORITY_DEFAULT,
+                                    data->cancellable,
+                                    (GAsyncReadyCallback)ews_client_autodiscover_response_cb,
+                                    g_object_ref (task));
 
   g_free (url2);
   g_free (url1);
diff --git a/src/goabackend/goaflickrprovider.c b/src/goabackend/goaflickrprovider.c
index 702ed1e..4eb8c11 100644
--- a/src/goabackend/goaflickrprovider.c
+++ b/src/goabackend/goaflickrprovider.c
@@ -20,7 +20,7 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#include <rest/oauth-proxy.h>
+#include <rest/rest.h>
 #include <json-glib/json-glib.h>
 
 #include "goaprovider.h"
diff --git a/src/goabackend/goagoogleprovider.c b/src/goabackend/goagoogleprovider.c
index d8abf1c..7d4cd30 100644
--- a/src/goabackend/goagoogleprovider.c
+++ b/src/goabackend/goagoogleprovider.c
@@ -19,7 +19,7 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#include <rest/oauth-proxy.h>
+#include <rest/rest.h>
 #include <json-glib/json-glib.h>
 
 #include "goaprovider.h"
diff --git a/src/goabackend/goahttpclient.c b/src/goabackend/goahttpclient.c
index 81aa52d..3b6857d 100644
--- a/src/goabackend/goahttpclient.c
+++ b/src/goabackend/goahttpclient.c
@@ -82,7 +82,7 @@ http_client_check_data_free (gpointer user_data)
 
   g_clear_error (&data->error);
 
-  /* soup_session_queue_message stole the references to data->msg */
+  g_object_unref (data->msg);
   g_object_unref (data->session);
   g_slice_free (CheckData, data);
 }
@@ -97,9 +97,8 @@ http_client_check_auth_data_free (gpointer data, GClosure *closure)
   g_slice_free (CheckAuthData, auth);
 }
 
-static void
-http_client_authenticate (SoupSession *session,
-                         SoupMessage *msg,
+static gboolean
+http_client_authenticate (SoupMessage *msg,
                          SoupAuth *auth,
                          gboolean retrying,
                          gpointer user_data)
@@ -107,26 +106,26 @@ http_client_authenticate (SoupSession *session,
   CheckAuthData *data = user_data;
 
   if (retrying)
-    return;
+    return FALSE;
 
   soup_auth_authenticate (auth, data->username, data->password);
+  return TRUE;
 }
 
-static void
-http_client_request_started (SoupSession *session, SoupMessage *msg, SoupSocket *socket, gpointer user_data)
+static gboolean
+http_client_accept_certificate (SoupMessage *msg, GTlsCertificate *cert, GTlsCertificateFlags cert_flags, gpointer user_data)
 {
   CheckData *data;
   GTask *task = G_TASK (user_data);
-  GTlsCertificateFlags cert_flags;
 
   g_debug ("goa_http_client_check(): request started (%p)", msg);
 
   data = (CheckData *) g_task_get_task_data (task);
 
-  if (!data->accept_ssl_errors
-      && soup_message_get_https_status (msg, NULL, &cert_flags)
-      && cert_flags != 0
-      && data->error == NULL)
+  if (data->accept_ssl_errors || cert_flags == 0)
+    return TRUE;
+
+  if (data->error == NULL)
     {
       goa_utils_set_error_ssl (&data->error, cert_flags);
 
@@ -135,6 +134,8 @@ http_client_request_started (SoupSession *session, SoupMessage *msg, SoupSocket
        */
       soup_session_abort (data->session);
     }
+
+  return FALSE;
 }
 
 static void
@@ -154,21 +155,27 @@ http_client_check_cancelled_cb (GCancellable *cancellable, gpointer user_data)
 }
 
 static void
-http_client_check_response_cb (SoupSession *session, SoupMessage *msg, gpointer user_data)
+http_client_check_response_cb (SoupSession *session, GAsyncResult *result, gpointer user_data)
 {
+  SoupMessage *msg;
   CheckData *data;
-  GCancellable *cancellable;
   GTask *task = G_TASK (user_data);
+  guint status;
+  GBytes *body;
+  GError *error = NULL;
+
+  msg = soup_session_get_async_result_message (session, result);
+
+  g_debug ("goa_http_client_check(): response (%p, %u)", msg, soup_message_get_status (msg));
 
-  g_debug ("goa_http_client_check(): response (%p, %u)", msg, msg->status_code);
+  body = soup_session_send_and_read_finish (session, result, &error);
 
   data = (CheckData *) g_task_get_task_data (task);
-  cancellable = g_task_get_cancellable (task);
 
-  /* status == SOUP_STATUS_CANCELLED, if we are being aborted by the
+  /* G_IO_ERROR_CANCELLED, if we are being aborted by the
    * GCancellable or due to an SSL error.
    */
-  if (msg->status_code == SOUP_STATUS_CANCELLED)
+  if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
     {
       /* If we are being aborted by the GCancellable then there might
        * or might not be an error. The GCancellable can be triggered
@@ -176,20 +183,27 @@ http_client_check_response_cb (SoupSession *session, SoupMessage *msg, gpointer
        * of events across threads.
        */
       if (data->error == NULL)
-        g_cancellable_set_error_if_cancelled (cancellable, &data->error);
+        g_propagate_error (&data->error, g_steal_pointer (&error));
 
       goto out;
     }
-  else if (msg->status_code != SOUP_STATUS_OK)
+
+  status = soup_message_get_status (msg);
+  if (status != SOUP_STATUS_OK || error)
     {
-      g_warning ("goa_http_client_check() failed: %u — %s", msg->status_code, msg->reason_phrase);
+      g_warning ("goa_http_client_check() failed: %u — %s", status, soup_message_get_reason_phrase (msg));
       g_return_if_fail (data->error == NULL);
 
-      goa_utils_set_error_soup (&data->error, msg);
+      if (error)
+        g_propagate_error (&data->error, g_steal_pointer (&error));
+      else
+        goa_utils_set_error_soup (&data->error, msg);
       goto out;
     }
 
  out:
+  g_clear_error (&error);
+  g_clear_pointer (&body, g_bytes_unref);
   if (data->error != NULL)
     g_task_return_error (task, g_steal_pointer (&data->error));
   else
@@ -225,7 +239,7 @@ goa_http_client_check (GoaHttpClient       *self,
   data = g_slice_new0 (CheckData);
   g_task_set_task_data (task, data, http_client_check_data_free);
 
-  data->session = soup_session_new_with_options (SOUP_SESSION_SSL_STRICT, FALSE, NULL);
+  data->session = soup_session_new ();
 
   logger = goa_soup_logger_new (SOUP_LOGGER_LOG_BODY, -1);
   soup_session_add_feature (data->session, SOUP_SESSION_FEATURE (logger));
@@ -246,15 +260,21 @@ goa_http_client_check (GoaHttpClient       *self,
   auth = g_slice_new0 (CheckAuthData);
   auth->username = g_strdup (username);
   auth->password = g_strdup (password);
-  g_signal_connect_data (data->session,
+  g_signal_connect_data (data->msg,
                          "authenticate",
                          G_CALLBACK (http_client_authenticate),
                          auth,
                          http_client_check_auth_data_free,
                          0);
 
-  g_signal_connect (data->session, "request-started", G_CALLBACK (http_client_request_started), task);
-  soup_session_queue_message (data->session, data->msg, http_client_check_response_cb, g_object_ref (task));
+  g_signal_connect (data->msg, "accept-certificate", G_CALLBACK (http_client_accept_certificate), task);
+
+  soup_session_send_and_read_async (data->session,
+                                    data->msg,
+                                    G_PRIORITY_DEFAULT,
+                                    data->cancellable,
+                                    (GAsyncReadyCallback)http_client_check_response_cb,
+                                    g_object_ref (task));
 
   g_object_unref (task);
 }
diff --git a/src/goabackend/goalastfmprovider.c b/src/goabackend/goalastfmprovider.c
index cb9a6f2..15a2d74 100644
--- a/src/goabackend/goalastfmprovider.c
+++ b/src/goabackend/goalastfmprovider.c
@@ -19,7 +19,7 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#include <rest/rest-proxy.h>
+#include <rest/rest.h>
 #include <json-glib/json-glib.h>
 
 #include "goahttpclient.h"
@@ -483,18 +483,18 @@ add_account_cb (GoaManager *manager, GAsyncResult *res, gpointer user_data)
 
 static void
 check_cb (RestProxyCall *call,
-          const GError *error,
-          GObject *weak_object,
+          GAsyncResult *result,
           gpointer user_data)
 {
   AddAccountData *data = user_data;
   JsonNode *session;
-  JsonParser *parser;
+  JsonParser *parser = NULL;
   JsonObject *json_obj;
   JsonObject *session_obj;
   const gchar *payload;
 
-  parser = NULL;
+  if (!rest_proxy_call_invoke_finish (call, result, &data->error))
+    goto out;
 
   parser = json_parser_new ();
   payload = rest_proxy_call_get_payload (call);
@@ -562,12 +562,12 @@ on_rest_proxy_call_cancelled_cb (GCancellable *cancellable, RestProxyCall *call)
 }
 
 static void
-lastfm_login (GoaProvider                  *provider,
-              const gchar                  *username,
-              const gchar                  *password,
-              GCancellable                 *cancellable,
-              RestProxyCallAsyncCallback   callback,
-              gpointer                     user_data)
+lastfm_login (GoaProvider          *provider,
+              const gchar          *username,
+              const gchar          *password,
+              GCancellable         *cancellable,
+              GAsyncReadyCallback   callback,
+              gpointer              user_data)
 {
   AddAccountData *data = user_data;
   RestProxyCall *call;
@@ -598,7 +598,7 @@ lastfm_login (GoaProvider                  *provider,
   rest_proxy_call_add_param (call, "api_sig", sig_md5);
   rest_proxy_call_add_param (call, "format", "json");
 
-  rest_proxy_call_async (call, callback, NULL, data, &data->error);
+  rest_proxy_call_invoke_async (call, NULL, callback, data);
 
   g_signal_connect (cancellable, "cancelled", G_CALLBACK (on_rest_proxy_call_cancelled_cb), call);
 
@@ -665,7 +665,7 @@ add_account (GoaProvider    *provider,
                 username,
                 password,
                 data.cancellable,
-                (RestProxyCallAsyncCallback) check_cb,
+                (GAsyncReadyCallback) check_cb,
                 &data);
 
   gtk_widget_set_sensitive (data.connect_button, FALSE);
@@ -819,7 +819,7 @@ refresh_account (GoaProvider    *provider,
                 username,
                 password,
                 data.cancellable,
-                (RestProxyCallAsyncCallback) check_cb,
+                (GAsyncReadyCallback) check_cb,
                 &data);
   gtk_widget_set_sensitive (data.connect_button, FALSE);
   gtk_widget_show (data.progress_grid);
diff --git a/src/goabackend/goaoauth2provider.c b/src/goabackend/goaoauth2provider.c
index 2757838..5b8d43d 100644
--- a/src/goabackend/goaoauth2provider.c
+++ b/src/goabackend/goaoauth2provider.c
@@ -20,7 +20,7 @@
 #include <glib/gi18n-lib.h>
 #include <stdlib.h>
 
-#include <rest/oauth2-proxy.h>
+#include <rest/rest.h>
 #include <libsoup/soup.h>
 #include <json-glib/json-glib.h>
 #include <webkit2/webkit2.h>
@@ -95,11 +95,15 @@ is_authorization_error (GError *error)
   g_return_val_if_fail (error != NULL, FALSE);
 
   ret = FALSE;
-  if (error->domain == REST_PROXY_ERROR || error->domain == SOUP_HTTP_ERROR)
+  if (error->domain == REST_PROXY_ERROR)
     {
       if (SOUP_STATUS_IS_CLIENT_ERROR (error->code))
         ret = TRUE;
     }
+  else if (g_error_matches (error, GOA_ERROR, GOA_ERROR_NOT_AUTHORIZED))
+    {
+      ret = TRUE;
+    }
   return ret;
 }
 
@@ -763,7 +767,7 @@ on_web_view_decide_policy (WebKitWebView            *web_view,
   GHashTable *key_value_pairs;
   WebKitNavigationAction *action;
   WebKitURIRequest *request;
-  GUri *uri;
+  GUri *uri = NULL;
   const gchar *fragment;
   const gchar *oauth2_error;
   const gchar *query;
@@ -889,7 +893,8 @@ on_web_view_decide_policy (WebKitWebView            *web_view,
   goto ignore_request;
 
  ignore_request:
-  g_uri_unref (uri);
+  if (uri)
+    g_uri_unref (uri);
   g_assert (response_id != GTK_RESPONSE_NONE);
   if (response_id < 0)
     gtk_dialog_response (priv->dialog, response_id);
diff --git a/src/goabackend/goaoauthprovider.c b/src/goabackend/goaoauthprovider.c
index ff0927e..8c2e0f2 100644
--- a/src/goabackend/goaoauthprovider.c
+++ b/src/goabackend/goaoauthprovider.c
@@ -20,7 +20,7 @@
 #include <glib/gi18n-lib.h>
 #include <stdlib.h>
 
-#include <rest/oauth-proxy.h>
+#include <rest/rest.h>
 #include <libsoup/soup.h>
 #include <json-glib/json-glib.h>
 #include <webkit2/webkit2.h>
@@ -77,11 +77,15 @@ is_authorization_error (GError *error)
   g_return_val_if_fail (error != NULL, FALSE);
 
   ret = FALSE;
-  if (error->domain == REST_PROXY_ERROR || error->domain == SOUP_HTTP_ERROR)
+  if (error->domain == REST_PROXY_ERROR)
     {
       if (SOUP_STATUS_IS_CLIENT_ERROR (error->code))
         ret = TRUE;
     }
+  else if (g_error_matches (error, GOA_ERROR, GOA_ERROR_NOT_AUTHORIZED))
+    {
+      ret = TRUE;
+    }
   return ret;
 }
 
@@ -701,9 +705,15 @@ on_web_view_decide_policy (WebKitWebView            *web_view,
 }
 
 static void
-rest_proxy_call_cb (RestProxyCall *call, const GError *error, GObject *weak_object, gpointer user_data)
+rest_proxy_call_cb (GObject *source, GAsyncResult *result, gpointer user_data)
 {
+  RestProxyCall *call = REST_PROXY_CALL (source);
   IdentifyData *data = user_data;
+
+  if (!rest_proxy_call_invoke_finish (call, result, &data->error))
+    {
+      g_prefix_error (&data->error, _("Error getting a Request Token: "));
+    }
   g_main_loop_quit (data->loop);
 }
 
@@ -770,11 +780,7 @@ get_tokens_and_identity (GoaOAuthProvider *provider,
       for (n = 0; request_params[n] != NULL; n += 2)
         rest_proxy_call_add_param (call, request_params[n], request_params[n+1]);
     }
-  if (!rest_proxy_call_async (call, rest_proxy_call_cb, NULL, &data, &data.error))
-    {
-      g_prefix_error (&data.error, _("Error getting a Request Token: "));
-      goto out;
-    }
+  rest_proxy_call_invoke_async (call, NULL, rest_proxy_call_cb, &data);
 
   goa_utils_set_dialog_title (GOA_PROVIDER (provider), dialog, add_account);
 
@@ -796,6 +802,9 @@ get_tokens_and_identity (GoaOAuthProvider *provider,
   g_main_loop_run (data.loop);
   gtk_container_remove (GTK_CONTAINER (grid), spinner);
 
+  if (data.error)
+    goto out;
+
   if (rest_proxy_call_get_status_code (call) != 200)
     {
       gchar *msg;
diff --git a/src/goabackend/goaoauthprovider.h b/src/goabackend/goaoauthprovider.h
index d4ffa3c..e42f7a5 100644
--- a/src/goabackend/goaoauthprovider.h
+++ b/src/goabackend/goaoauthprovider.h
@@ -25,7 +25,7 @@
 
 #include <goabackend/goaprovider.h>
 #include <goabackend/goaprovider-priv.h>
-#include <rest/rest-proxy-call.h>
+#include <rest/rest.h>
 #include <webkitdom/webkitdom.h>
 
 G_BEGIN_DECLS
diff --git a/src/goabackend/goarestproxy.h b/src/goabackend/goarestproxy.h
index 09fb076..0241e65 100644
--- a/src/goabackend/goarestproxy.h
+++ b/src/goabackend/goarestproxy.h
@@ -23,12 +23,10 @@
 #ifndef __GOA_REST_PROXY_H__
 #define __GOA_REST_PROXY_H__
 
-#include <rest/rest-proxy.h>
+#include <rest/rest.h>
 
 G_BEGIN_DECLS
 
-G_DEFINE_AUTOPTR_CLEANUP_FUNC (RestProxy, g_object_unref);
-
 #define GOA_TYPE_REST_PROXY (goa_rest_proxy_get_type ())
 G_DECLARE_FINAL_TYPE (GoaRestProxy, goa_rest_proxy, GOA, REST_PROXY, RestProxy);
 
diff --git a/src/goabackend/goasouplogger.c b/src/goabackend/goasouplogger.c
index 9b0a53d..330b6a9 100644
--- a/src/goabackend/goasouplogger.c
+++ b/src/goabackend/goasouplogger.c
@@ -22,15 +22,6 @@
 
 #include "goasouplogger.h"
 
-struct _GoaSoupLogger
-{
-  SoupLogger parent_instance;
-};
-
-G_DEFINE_TYPE (GoaSoupLogger, goa_soup_logger, SOUP_TYPE_LOGGER);
-
-/* ---------------------------------------------------------------------------------------------------- */
-
 static void
 goa_soup_logger_printer (SoupLogger         *logger,
                          SoupLoggerLogLevel  level,
@@ -45,24 +36,16 @@ goa_soup_logger_printer (SoupLogger         *logger,
   g_free (message);
 }
 
-/* ---------------------------------------------------------------------------------------------------- */
-
-static void
-goa_soup_logger_init (GoaSoupLogger *self)
-{
-  soup_logger_set_printer (SOUP_LOGGER (self), goa_soup_logger_printer, NULL, NULL);
-}
-
-static void
-goa_soup_logger_class_init (GoaSoupLoggerClass *klass)
-{
-}
-
-/* ---------------------------------------------------------------------------------------------------- */
-
 SoupLogger *
 goa_soup_logger_new (SoupLoggerLogLevel   level,
                      gint                 max_body_size)
 {
-  return g_object_new (GOA_TYPE_SOUP_LOGGER, "level", level, "max-body-size", max_body_size, NULL);
+  SoupLogger *logger;
+
+  logger = soup_logger_new (level);
+  if (max_body_size != -1)
+    soup_logger_set_max_body_size (logger, max_body_size);
+  soup_logger_set_printer (logger, goa_soup_logger_printer, NULL, NULL);
+
+  return logger;
 }
diff --git a/src/goabackend/goasouplogger.h b/src/goabackend/goasouplogger.h
index 4a99785..6929dc0 100644
--- a/src/goabackend/goasouplogger.h
+++ b/src/goabackend/goasouplogger.h
@@ -27,9 +27,6 @@
 
 G_BEGIN_DECLS
 
-#define GOA_TYPE_SOUP_LOGGER (goa_soup_logger_get_type ())
-G_DECLARE_FINAL_TYPE (GoaSoupLogger, goa_soup_logger, GOA, SOUP_LOGGER, SoupLogger);
-
 SoupLogger     *goa_soup_logger_new                (SoupLoggerLogLevel   level,
                                                     gint                 max_body_size);
 
diff --git a/src/goabackend/goautils.c b/src/goabackend/goautils.c
index b23a258..70d66a6 100644
--- a/src/goabackend/goautils.c
+++ b/src/goabackend/goautils.c
@@ -841,29 +841,26 @@ goa_utils_set_error_soup (GError **err, SoupMessage *msg)
 {
   gchar *error_msg = NULL;
   gint error_code = GOA_ERROR_FAILED; /* TODO: more specific */
+  guint status_code;
 
-  switch (msg->status_code)
+  status_code = soup_message_get_status (msg);
+  switch (status_code)
     {
-    case SOUP_STATUS_CANT_RESOLVE:
-      error_msg = g_strdup (_("Cannot resolve hostname"));
-      break;
-
-    case SOUP_STATUS_CANT_RESOLVE_PROXY:
-      error_msg = g_strdup (_("Cannot resolve proxy hostname"));
-      break;
-
     case SOUP_STATUS_INTERNAL_SERVER_ERROR:
     case SOUP_STATUS_NOT_FOUND:
       error_msg = g_strdup (_("Cannot find WebDAV endpoint"));
       break;
 
-    case SOUP_STATUS_UNAUTHORIZED:
-      error_msg = g_strdup (_("Authentication failed"));
-      error_code = GOA_ERROR_NOT_AUTHORIZED;
-      break;
-
     default:
-      error_msg = g_strdup_printf (_("Code: %u — Unexpected response from server"), msg->status_code);
+      if (SOUP_STATUS_IS_CLIENT_ERROR (status_code))
+        {
+          error_msg = g_strdup (_("Authentication failed"));
+          error_code = GOA_ERROR_NOT_AUTHORIZED;
+        }
+      else
+        {
+          error_msg = g_strdup_printf (_("Code: %u — Unexpected response from server"), status_code);
+        }
       break;
     }
 
diff --git a/src/goabackend/goawindowsliveprovider.c b/src/goabackend/goawindowsliveprovider.c
index be35746..608767a 100644
--- a/src/goabackend/goawindowsliveprovider.c
+++ b/src/goabackend/goawindowsliveprovider.c
@@ -20,7 +20,7 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-#include <rest/rest-proxy.h>
+#include <rest/rest.h>
 #include <json-glib/json-glib.h>
 
 #include "goaprovider.h"