src/utils/browser.c

   1 /*
   2  * Hotspot 2.0 client - Web browser using WebKit
   3  * Copyright (c) 2013, Qualcomm Atheros, Inc.
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10 #include <webkit/webkit.h>
  11
  12 #include "common.h"
  13 #include "browser.h"
  14
  15
  16 struct browser_context {
  17         GtkWidget *win;
  18         int success;
  19         int progress;
  20         char *hover_link;
  21         char *title;
  22 };
  23
  24 static void win_cb_destroy(GtkWidget *win, struct browser_context *ctx)
  25 {
  26         wpa_printf(MSG_DEBUG, "BROWSER:%s", __func__);
  27         gtk_main_quit();
  28 }
  29
  30
  31 static void browser_update_title(struct browser_context *ctx)
  32 {
  33         char buf[100];
  34
  35         if (ctx->hover_link) {
  36                 gtk_window_set_title(GTK_WINDOW(ctx->win), ctx->hover_link);
  37                 return;
  38         }
  39
  40         if (ctx->progress == 100) {
  41                 gtk_window_set_title(GTK_WINDOW(ctx->win),
  42                                      ctx->title ? ctx->title :
  43                                      "Hotspot 2.0 client");
  44                 return;
  45         }
  46
  47         snprintf(buf, sizeof(buf), "[%d%%] %s", ctx->progress,
  48                  ctx->title ? ctx->title : "Hotspot 2.0 client");
  49         gtk_window_set_title(GTK_WINDOW(ctx->win), buf);
  50 }
  51
  52
  53 static void view_cb_notify_progress(WebKitWebView *view, GParamSpec *pspec,
  54                                     struct browser_context *ctx)
  55 {
  56         ctx->progress = 100 * webkit_web_view_get_progress(view);
  57         wpa_printf(MSG_DEBUG, "BROWSER:%s progress=%d", __func__,
  58                    ctx->progress);
  59         browser_update_title(ctx);
  60 }
  61
  62
  63 static void view_cb_notify_load_status(WebKitWebView *view, GParamSpec *pspec,
  64                                        struct browser_context *ctx)
  65 {
  66         int status = webkit_web_view_get_load_status(view);
  67         wpa_printf(MSG_DEBUG, "BROWSER:%s load-status=%d uri=%s",
  68                    __func__, status, webkit_web_view_get_uri(view));
  69 }
  70
  71
  72 static void view_cb_resource_request_starting(WebKitWebView *view,
  73                                               WebKitWebFrame *frame,
  74                                               WebKitWebResource *res,
  75                                               WebKitNetworkRequest *req,
  76                                               WebKitNetworkResponse *resp,
  77                                               struct browser_context *ctx)
  78 {
  79         const gchar *uri = webkit_network_request_get_uri(req);
  80         wpa_printf(MSG_DEBUG, "BROWSER:%s uri=%s", __func__, uri);
  81         if (g_str_has_suffix(uri, "/favicon.ico"))
  82                 webkit_network_request_set_uri(req, "about:blank");
  83         if (g_str_has_prefix(uri, "osu://")) {
  84                 ctx->success = atoi(uri + 6);
  85                 gtk_main_quit();
  86         }
  87         if (g_str_has_prefix(uri, "http://localhost:12345")) {
  88                 /*
  89                  * This is used as a special trigger to indicate that the
  90                  * user exchange has been completed.
  91                  */
  92                 ctx->success = 1;
  93                 gtk_main_quit();
  94         }
  95 }
  96
  97
  98 static gboolean view_cb_mime_type_policy_decision(
  99         WebKitWebView *view, WebKitWebFrame *frame, WebKitNetworkRequest *req,
 100         gchar *mime, WebKitWebPolicyDecision *policy,
 101         struct browser_context *ctx)
 102 {
 103         wpa_printf(MSG_DEBUG, "BROWSER:%s mime=%s", __func__, mime);
 104
 105         if (!webkit_web_view_can_show_mime_type(view, mime)) {
 106                 webkit_web_policy_decision_download(policy);
 107                 return TRUE;
 108         }
 109
 110         return FALSE;
 111 }
 112
 113
 114 static gboolean view_cb_download_requested(WebKitWebView *view,
 115                                            WebKitDownload *dl,
 116                                            struct browser_context *ctx)
 117 {
 118         const gchar *uri;
 119         uri = webkit_download_get_uri(dl);
 120         wpa_printf(MSG_DEBUG, "BROWSER:%s uri=%s", __func__, uri);
 121         return FALSE;
 122 }
 123
 124
 125 static void view_cb_hovering_over_link(WebKitWebView *view, gchar *title,
 126                                        gchar *uri, struct browser_context *ctx)
 127 {
 128         wpa_printf(MSG_DEBUG, "BROWSER:%s title=%s uri=%s", __func__, title,
 129                    uri);
 130         os_free(ctx->hover_link);
 131         if (uri)
 132                 ctx->hover_link = os_strdup(uri);
 133         else
 134                 ctx->hover_link = NULL;
 135
 136         browser_update_title(ctx);
 137 }
 138
 139
 140 static void view_cb_title_changed(WebKitWebView *view, WebKitWebFrame *frame,
 141                                   const char *title,
 142                                   struct browser_context *ctx)
 143 {
 144         wpa_printf(MSG_DEBUG, "BROWSER:%s title=%s", __func__, title);
 145         os_free(ctx->title);
 146         ctx->title = os_strdup(title);
 147         browser_update_title(ctx);
 148 }
 149
 150
 151 int hs20_web_browser(const char *url)
 152 {
 153         GtkWidget *scroll;
 154         SoupSession *s;
 155         WebKitWebView *view;
 156         WebKitWebSettings *settings;
 157         struct browser_context ctx;
 158
 159         memset(&ctx, 0, sizeof(ctx));
 160         if (!gtk_init_check(NULL, NULL))
 161                 return -1;
 162
 163         s = webkit_get_default_session();
 164         g_object_set(G_OBJECT(s), "ssl-ca-file",
 165                      "/etc/ssl/certs/ca-certificates.crt", NULL);
 166         g_object_set(G_OBJECT(s), "ssl-strict", FALSE, NULL);
 167
 168         ctx.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 169         gtk_window_set_role(GTK_WINDOW(ctx.win), "Hotspot 2.0 client");
 170         gtk_window_set_default_size(GTK_WINDOW(ctx.win), 800, 600);
 171
 172         scroll = gtk_scrolled_window_new(NULL, NULL);
 173         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll),
 174                                        GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 175
 176         g_signal_connect(G_OBJECT(ctx.win), "destroy",
 177                          G_CALLBACK(win_cb_destroy), &ctx);
 178
 179         view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 180         g_signal_connect(G_OBJECT(view), "notify::progress",
 181                          G_CALLBACK(view_cb_notify_progress), &ctx);
 182         g_signal_connect(G_OBJECT(view), "notify::load-status",
 183                          G_CALLBACK(view_cb_notify_load_status), &ctx);
 184         g_signal_connect(G_OBJECT(view), "resource-request-starting",
 185                          G_CALLBACK(view_cb_resource_request_starting), &ctx);
 186         g_signal_connect(G_OBJECT(view), "mime-type-policy-decision-requested",
 187                          G_CALLBACK(view_cb_mime_type_policy_decision), &ctx);
 188         g_signal_connect(G_OBJECT(view), "download-requested",
 189                          G_CALLBACK(view_cb_download_requested), &ctx);
 190         g_signal_connect(G_OBJECT(view), "hovering-over-link",
 191                          G_CALLBACK(view_cb_hovering_over_link), &ctx);
 192         g_signal_connect(G_OBJECT(view), "title-changed",
 193                          G_CALLBACK(view_cb_title_changed), &ctx);
 194
 195         gtk_container_add(GTK_CONTAINER(scroll), GTK_WIDGET(view));
 196         gtk_container_add(GTK_CONTAINER(ctx.win), GTK_WIDGET(scroll));
 197
 198         gtk_widget_grab_focus(GTK_WIDGET(view));
 199         gtk_widget_show_all(ctx.win);
 200
 201         settings = webkit_web_view_get_settings(view);
 202         g_object_set(G_OBJECT(settings), "user-agent",
 203                      "Mozilla/5.0 (X11; U; Unix; en-US) "
 204                      "AppleWebKit/537.15 (KHTML, like Gecko) "
 205                      "hs20-client/1.0", NULL);
 206         g_object_set(G_OBJECT(settings), "auto-load-images", TRUE, NULL);
 207
 208         webkit_web_view_load_uri(view, url);
 209
 210         gtk_main();
 211         gtk_widget_destroy(ctx.win);
 212         while (gtk_events_pending())
 213                 gtk_main_iteration();
 214
 215         free(ctx.hover_link);
 216         free(ctx.title);
 217         return ctx.success;
 218 }