browser.c

   1 #include <limits.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <fcntl.h>
   7 #include <string.h>
   8
   9 #include <gtk/gtk.h>
  10 #include <gtk/gtkx.h>
  11 #include <gdk/gdkkeysyms.h>
  12 #include <gio/gio.h>
  13 #include <webkit2/webkit2.h>
  14 #include <JavaScriptCore/JavaScript.h>
  15
  16
  17 static void client_destroy(GtkWidget *, gpointer);
  18 static gboolean client_destroy_request(WebKitWebView *, gpointer);
  19 static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean);
  20 static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *,
  21                                          gpointer);
  22 static void cooperation_setup(void);
  23 static void changed_download_progress(GObject *, GParamSpec *, gpointer);
  24 static void changed_load_progress(GObject *, GParamSpec *, gpointer);
  25 static void changed_title(GObject *, GParamSpec *, gpointer);
  26 static void changed_uri(GObject *, GParamSpec *, gpointer);
  27 static gboolean crashed_web_view(WebKitWebView *, gpointer);
  28 static gboolean decide_policy(WebKitWebView *, WebKitPolicyDecision *,
  29                               WebKitPolicyDecisionType, gpointer);
  30 static gboolean download_handle(WebKitDownload *, gchar *, gpointer);
  31 static void download_handle_start(WebKitWebView *, WebKitDownload *, gpointer);
  32 static void downloadmanager_cancel(GtkToolButton *, gpointer);
  33 static gboolean downloadmanager_delete(GtkWidget *, gpointer);
  34 static void downloadmanager_setup(void);
  35 static gchar *ensure_uri_scheme(const gchar *);
  36 static void external_handler_run(GSimpleAction *, GVariant *, gpointer);
  37 static void grab_environment_configuration(void);
  38 static void grab_feeds_finished(GObject *, GAsyncResult *, gpointer);
  39 static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer);
  40 static void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer);
  41 static gboolean key_common(GtkWidget *, GdkEvent *, gpointer);
  42 static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer);
  43 static gboolean key_location(GtkWidget *, GdkEvent *, gpointer);
  44 static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer);
  45 static void keywords_load(void);
  46 static gboolean keywords_try_search(WebKitWebView *, const gchar *);
  47 static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *,
  48                               WebKitHitTestResult *, gpointer);
  49 static gboolean quit_if_nothing_active(void);
  50 static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer);
  51 static void run_user_scripts(WebKitWebView *);
  52 static void search(gpointer, gint);
  53 static void show_web_view(WebKitWebView *, gpointer);
  54 static Window tabbed_launch(void);
  55 static void trust_user_certs(WebKitWebContext *);
  56
  57
  58 struct Client
  59 {
  60     gchar *external_handler_uri;
  61     gchar *hover_uri;
  62     gchar *feed_html;
  63     GtkWidget *location;
  64     GtkWidget *vbox;
  65     GtkWidget *web_view;
  66     GtkWidget *win;
  67 };
  68
  69 struct DownloadManager
  70 {
  71     GtkWidget *scroll;
  72     GtkWidget *toolbar;
  73     GtkWidget *win;
  74 } dm;
  75
  76
  77 static const gchar *accepted_language[2] = { NULL, NULL };
  78 static gint clients = 0, downloads = 0;
  79 static gboolean cooperative_alone = TRUE;
  80 static gboolean cooperative_instances = TRUE;
  81 static int cooperative_pipe_fp = 0;
  82 static gchar *download_dir = "/var/tmp";
  83 static gboolean enable_webgl = FALSE;
  84 static gboolean enable_console_to_stdout = FALSE;
  85 static Window embed = 0;
  86 static gchar *fifo_suffix = "main";
  87 static gdouble global_zoom = 1.0;
  88 static gchar *history_file = NULL;
  89 static gchar *home_uri = "about:blank";
  90 static gboolean initial_wc_setup_done = FALSE;
  91 static GHashTable *keywords = NULL;
  92 static gchar *search_text = NULL;
  93 static gboolean tabbed_automagic = TRUE;
  94 static gchar *user_agent = NULL;
  95
  96
  97 void
  98 client_destroy(GtkWidget *widget, gpointer data)
  99 {
 100     struct Client *c = (struct Client *)data;
 101
 102     g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view),
 103                                          changed_load_progress, c);
 104
 105     free(c);
 106     clients--;
 107
 108     quit_if_nothing_active();
 109 }
 110
 111 gboolean
 112 client_destroy_request(WebKitWebView *web_view, gpointer data)
 113 {
 114     struct Client *c = (struct Client *)data;
 115
 116     gtk_widget_destroy(c->win);
 117
 118     return TRUE;
 119 }
 120
 121 WebKitWebView *
 122 client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show)
 123 {
 124     struct Client *c;
 125     WebKitWebContext *wc;
 126     gchar *f;
 127
 128     if (uri != NULL && cooperative_instances && !cooperative_alone)
 129     {
 130         f = ensure_uri_scheme(uri);
 131         write(cooperative_pipe_fp, f, strlen(f));
 132         write(cooperative_pipe_fp, "\n", 1);
 133         g_free(f);
 134         return NULL;
 135     }
 136
 137     c = calloc(1, sizeof(struct Client));
 138     if (!c)
 139     {
 140         fprintf(stderr, __NAME__": fatal: calloc failed\n");
 141         exit(EXIT_FAILURE);
 142     }
 143
 144     if (embed != 0)
 145     {
 146         c->win = gtk_plug_new(embed);
 147         if (!gtk_plug_get_embedded(GTK_PLUG(c->win)))
 148         {
 149             fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed);
 150             gtk_widget_destroy(c->win);
 151             c->win = NULL;
 152             embed = 0;
 153         }
 154     }
 155
 156     if (c->win == NULL)
 157         c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 158
 159     gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 160
 161     g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c);
 162     gtk_window_set_title(GTK_WINDOW(c->win), __NAME__);
 163
 164     if (related_wv == NULL)
 165         c->web_view = webkit_web_view_new();
 166     else
 167         c->web_view = webkit_web_view_new_with_related_view(related_wv);
 168     wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 169
 170     webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), global_zoom);
 171     g_signal_connect(G_OBJECT(c->web_view), "notify::title",
 172                      G_CALLBACK(changed_title), c);
 173     g_signal_connect(G_OBJECT(c->web_view), "notify::uri",
 174                      G_CALLBACK(changed_uri), c);
 175     g_signal_connect(G_OBJECT(c->web_view), "notify::estimated-load-progress",
 176                      G_CALLBACK(changed_load_progress), c);
 177     g_signal_connect(G_OBJECT(c->web_view), "create",
 178                      G_CALLBACK(client_new_request), NULL);
 179     g_signal_connect(G_OBJECT(c->web_view), "context-menu",
 180                      G_CALLBACK(menu_web_view), c);
 181     g_signal_connect(G_OBJECT(c->web_view), "close",
 182                      G_CALLBACK(client_destroy_request), c);
 183     g_signal_connect(G_OBJECT(c->web_view), "decide-policy",
 184                      G_CALLBACK(decide_policy), NULL);
 185     g_signal_connect(G_OBJECT(c->web_view), "key-press-event",
 186                      G_CALLBACK(key_web_view), c);
 187     g_signal_connect(G_OBJECT(c->web_view), "button-release-event",
 188                      G_CALLBACK(key_web_view), c);
 189     g_signal_connect(G_OBJECT(c->web_view), "scroll-event",
 190                      G_CALLBACK(key_web_view), c);
 191     g_signal_connect(G_OBJECT(c->web_view), "mouse-target-changed",
 192                      G_CALLBACK(hover_web_view), c);
 193     g_signal_connect(G_OBJECT(c->web_view), "web-process-crashed",
 194                      G_CALLBACK(crashed_web_view), c);
 195
 196     if (!initial_wc_setup_done)
 197     {
 198         if (accepted_language[0] != NULL)
 199             webkit_web_context_set_preferred_languages(wc, accepted_language);
 200
 201         g_signal_connect(G_OBJECT(wc), "download-started",
 202                          G_CALLBACK(download_handle_start), NULL);
 203
 204         trust_user_certs(wc);
 205
 206         initial_wc_setup_done = TRUE;
 207     }
 208
 209     if (user_agent != NULL)
 210         g_object_set(G_OBJECT(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view))),
 211                      "user-agent", user_agent, NULL);
 212
 213     if (enable_console_to_stdout)
 214         webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 215
 216     if (enable_webgl)
 217         webkit_settings_set_enable_webgl(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 218
 219     webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE);
 220
 221     c->location = gtk_entry_new();
 222     g_signal_connect(G_OBJECT(c->location), "key-press-event",
 223                      G_CALLBACK(key_location), c);
 224     g_signal_connect(G_OBJECT(c->location), "icon-release",
 225                      G_CALLBACK(icon_location), c);
 226     /* XXX This is a workaround. Setting this to NULL (which is done in
 227      * grab_feeds_finished() if no feed has been detected) adds a little
 228      * padding left of the text. Not sure why. The point of this call
 229      * right here is to have that padding right from the start. This
 230      * avoids a graphical artifact. */
 231     gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 232                                       GTK_ENTRY_ICON_PRIMARY,
 233                                       NULL);
 234
 235     c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 236     gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0);
 237     gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0);
 238
 239     gtk_container_add(GTK_CONTAINER(c->win), c->vbox);
 240
 241     if (show)
 242         show_web_view(NULL, c);
 243     else
 244         g_signal_connect(G_OBJECT(c->web_view), "ready-to-show",
 245                          G_CALLBACK(show_web_view), c);
 246
 247     if (uri != NULL)
 248     {
 249         f = ensure_uri_scheme(uri);
 250         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 251         g_free(f);
 252     }
 253
 254     clients++;
 255
 256     return WEBKIT_WEB_VIEW(c->web_view);
 257 }
 258
 259 WebKitWebView *
 260 client_new_request(WebKitWebView *web_view,
 261                    WebKitNavigationAction *navigation_action, gpointer data)
 262 {
 263     return client_new(NULL, web_view, FALSE);
 264 }
 265
 266 void
 267 cooperation_setup(void)
 268 {
 269     GIOChannel *towatch;
 270     gchar *fifofilename, *fifopath;
 271
 272     fifofilename = g_strdup_printf("%s-%s", __NAME__".fifo", fifo_suffix);
 273     fifopath = g_build_filename(g_get_user_runtime_dir(), fifofilename, NULL);
 274     g_free(fifofilename);
 275
 276     if (!g_file_test(fifopath, G_FILE_TEST_EXISTS))
 277         mkfifo(fifopath, 0600);
 278
 279     cooperative_pipe_fp = open(fifopath, O_WRONLY | O_NONBLOCK);
 280     if (!cooperative_pipe_fp)
 281     {
 282         fprintf(stderr, __NAME__": Can't open FIFO at all.\n");
 283     }
 284     else
 285     {
 286         if (write(cooperative_pipe_fp, "", 0) == -1)
 287         {
 288             /* Could not do an empty write to the FIFO which means there's
 289              * no one listening. */
 290             close(cooperative_pipe_fp);
 291             towatch = g_io_channel_new_file(fifopath, "r+", NULL);
 292             g_io_add_watch(towatch, G_IO_IN, (GIOFunc)remote_msg, NULL);
 293         }
 294         else
 295             cooperative_alone = FALSE;
 296     }
 297
 298     g_free(fifopath);
 299 }
 300
 301 void
 302 changed_download_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 303 {
 304     WebKitDownload *download = WEBKIT_DOWNLOAD(obj);
 305     WebKitURIResponse *resp;
 306     GtkToolItem *tb = GTK_TOOL_ITEM(data);
 307     gdouble p, size_mb;
 308     const gchar *uri;
 309     gchar *t, *filename, *base;
 310
 311     p = webkit_download_get_estimated_progress(download);
 312     p = p > 1 ? 1 : p;
 313     p = p < 0 ? 0 : p;
 314     p *= 100;
 315     resp = webkit_download_get_response(download);
 316     size_mb = webkit_uri_response_get_content_length(resp) / 1e6;
 317
 318     uri = webkit_download_get_destination(download);
 319     filename = g_filename_from_uri(uri, NULL, NULL);
 320     if (filename == NULL)
 321     {
 322         /* This really should not happen because WebKit uses that URI to
 323          * write to a file... */
 324         fprintf(stderr, __NAME__": Could not construct file name from URI!\n");
 325         t = g_strdup_printf("%s (%.0f%% of %.1f MB)",
 326                             webkit_uri_response_get_uri(resp), p, size_mb);
 327     }
 328     else
 329     {
 330         base = g_path_get_basename(filename);
 331         t = g_strdup_printf("%s (%.0f%% of %.1f MB)", base, p, size_mb);
 332         g_free(filename);
 333         g_free(base);
 334     }
 335     gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), t);
 336     g_free(t);
 337 }
 338
 339 void
 340 changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data)
 341 {
 342     struct Client *c = (struct Client *)data;
 343     gdouble p;
 344     gchar *grab_feeds =
 345         "a = document.querySelectorAll('"
 346         "    html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"],"
 347         "    html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]"
 348         "');"
 349         "if (a.length == 0)"
 350         "    null;"
 351         "else"
 352         "{"
 353         "    out = '';"
 354         "    for (i = 0; i < a.length; i++)"
 355         "    {"
 356         "        url = encodeURIComponent(a[i].href);"
 357         "        if ('title' in a[i] && a[i].title != '')"
 358         "            title = encodeURIComponent(a[i].title);"
 359         "        else"
 360         "            title = url;"
 361         "        out += '<li><a href=\"' + url + '\">' + title + '</a></li>';"
 362         "    }"
 363         "    out;"
 364         "}";
 365
 366     p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view));
 367     if (p == 1)
 368     {
 369         p = 0;
 370
 371         /* The page has loaded fully. We now run the short JavaScript
 372          * snippet above that operates on the DOM. It tries to grab all
 373          * occurences of <link rel="alternate" ...>, i.e. RSS/Atom feed
 374          * references. */
 375         webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view),
 376                                        grab_feeds, NULL,
 377                                        grab_feeds_finished, c);
 378
 379         run_user_scripts(WEBKIT_WEB_VIEW(c->web_view));
 380     }
 381     gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p);
 382 }
 383
 384 void
 385 changed_title(GObject *obj, GParamSpec *pspec, gpointer data)
 386 {
 387     const gchar *t, *u;
 388     struct Client *c = (struct Client *)data;
 389
 390     u = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 391     t = webkit_web_view_get_title(WEBKIT_WEB_VIEW(c->web_view));
 392
 393     u = u == NULL ? __NAME__ : u;
 394     u = u[0] == 0 ? __NAME__ : u;
 395
 396     t = t == NULL ? u : t;
 397     t = t[0] == 0 ? u : t;
 398
 399     gtk_window_set_title(GTK_WINDOW(c->win), t);
 400 }
 401
 402 void
 403 changed_uri(GObject *obj, GParamSpec *pspec, gpointer data)
 404 {
 405     const gchar *t;
 406     struct Client *c = (struct Client *)data;
 407     FILE *fp;
 408
 409     t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 410
 411     /* When a web process crashes, we get a "notify::uri" signal, but we
 412      * can no longer read a meaningful URI. It's just an empty string
 413      * now. Not updating the location bar in this scenario is important,
 414      * because we would override the "WEB PROCESS CRASHED" message. */
 415     if (t != NULL && strlen(t) > 0)
 416     {
 417         gtk_entry_set_text(GTK_ENTRY(c->location), t);
 418
 419         if (history_file != NULL)
 420         {
 421             fp = fopen(history_file, "a");
 422             if (fp != NULL)
 423             {
 424                 fprintf(fp, "%s\n", t);
 425                 fclose(fp);
 426             }
 427             else
 428                 perror(__NAME__": Error opening history file");
 429         }
 430     }
 431 }
 432
 433 gboolean
 434 crashed_web_view(WebKitWebView *web_view, gpointer data)
 435 {
 436     gchar *t;
 437     struct Client *c = (struct Client *)data;
 438
 439     t = g_strdup_printf("WEB PROCESS CRASHED: %s",
 440                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(web_view)));
 441     gtk_entry_set_text(GTK_ENTRY(c->location), t);
 442     g_free(t);
 443
 444     return TRUE;
 445 }
 446
 447 gboolean
 448 decide_policy(WebKitWebView *web_view, WebKitPolicyDecision *decision,
 449               WebKitPolicyDecisionType type, gpointer data)
 450 {
 451     WebKitResponsePolicyDecision *r;
 452
 453     switch (type)
 454     {
 455         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
 456             r = WEBKIT_RESPONSE_POLICY_DECISION(decision);
 457             if (!webkit_response_policy_decision_is_mime_type_supported(r))
 458                 webkit_policy_decision_download(decision);
 459             else
 460                 webkit_policy_decision_use(decision);
 461             break;
 462         default:
 463             /* Use whatever default there is. */
 464             return FALSE;
 465     }
 466     return TRUE;
 467 }
 468
 469 void
 470 download_handle_finished(WebKitDownload *download, gpointer data)
 471 {
 472     downloads--;
 473 }
 474
 475 void
 476 download_handle_start(WebKitWebView *web_view, WebKitDownload *download,
 477                       gpointer data)
 478 {
 479     g_signal_connect(G_OBJECT(download), "decide-destination",
 480                      G_CALLBACK(download_handle), data);
 481 }
 482
 483 gboolean
 484 download_handle(WebKitDownload *download, gchar *suggested_filename, gpointer data)
 485 {
 486     gchar *sug_clean, *path, *path2 = NULL, *uri;
 487     GtkToolItem *tb;
 488     int suffix = 1;
 489     size_t i;
 490
 491     sug_clean = g_strdup(suggested_filename);
 492     for (i = 0; i < strlen(sug_clean); i++)
 493         if (sug_clean[i] == G_DIR_SEPARATOR)
 494             sug_clean[i] = '_';
 495
 496     path = g_build_filename(download_dir, sug_clean, NULL);
 497     path2 = g_strdup(path);
 498     while (g_file_test(path2, G_FILE_TEST_EXISTS) && suffix < 1000)
 499     {
 500         g_free(path2);
 501
 502         path2 = g_strdup_printf("%s.%d", path, suffix);
 503         suffix++;
 504     }
 505
 506     if (suffix == 1000)
 507     {
 508         fprintf(stderr, __NAME__": Suffix reached limit for download.\n");
 509         webkit_download_cancel(download);
 510     }
 511     else
 512     {
 513         uri = g_filename_to_uri(path2, NULL, NULL);
 514         webkit_download_set_destination(download, uri);
 515         g_free(uri);
 516
 517         tb = gtk_tool_button_new(NULL, NULL);
 518         gtk_tool_button_set_icon_name(GTK_TOOL_BUTTON(tb), "gtk-delete");
 519         gtk_tool_button_set_label(GTK_TOOL_BUTTON(tb), sug_clean);
 520         gtk_toolbar_insert(GTK_TOOLBAR(dm.toolbar), tb, 0);
 521         gtk_widget_show_all(dm.win);
 522
 523         g_signal_connect(G_OBJECT(download), "notify::estimated-progress",
 524                          G_CALLBACK(changed_download_progress), tb);
 525
 526         downloads++;
 527         g_signal_connect(G_OBJECT(download), "finished",
 528                          G_CALLBACK(download_handle_finished), NULL);
 529
 530         g_object_ref(download);
 531         g_signal_connect(G_OBJECT(tb), "clicked",
 532                          G_CALLBACK(downloadmanager_cancel), download);
 533     }
 534
 535     g_free(sug_clean);
 536     g_free(path);
 537     g_free(path2);
 538
 539     /* Propagate -- to whom it may concern. */
 540     return FALSE;
 541 }
 542
 543 void
 544 downloadmanager_cancel(GtkToolButton *tb, gpointer data)
 545 {
 546     WebKitDownload *download = WEBKIT_DOWNLOAD(data);
 547
 548     webkit_download_cancel(download);
 549     g_object_unref(download);
 550
 551     gtk_widget_destroy(GTK_WIDGET(tb));
 552 }
 553
 554 gboolean
 555 downloadmanager_delete(GtkWidget *obj, gpointer data)
 556 {
 557     if (!quit_if_nothing_active())
 558         gtk_widget_hide(dm.win);
 559
 560     return TRUE;
 561 }
 562
 563 void
 564 downloadmanager_setup(void)
 565 {
 566     dm.win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 567     gtk_window_set_type_hint(GTK_WINDOW(dm.win), GDK_WINDOW_TYPE_HINT_DIALOG);
 568     gtk_window_set_default_size(GTK_WINDOW(dm.win), 500, 250);
 569     gtk_window_set_title(GTK_WINDOW(dm.win), __NAME__" - Download Manager");
 570     g_signal_connect(G_OBJECT(dm.win), "delete-event",
 571                      G_CALLBACK(downloadmanager_delete), NULL);
 572     g_signal_connect(G_OBJECT(dm.win), "key-press-event",
 573                      G_CALLBACK(key_downloadmanager), NULL);
 574
 575     dm.toolbar = gtk_toolbar_new();
 576     gtk_orientable_set_orientation(GTK_ORIENTABLE(dm.toolbar),
 577                                    GTK_ORIENTATION_VERTICAL);
 578     gtk_toolbar_set_style(GTK_TOOLBAR(dm.toolbar), GTK_TOOLBAR_BOTH_HORIZ);
 579     gtk_toolbar_set_show_arrow(GTK_TOOLBAR(dm.toolbar), FALSE);
 580
 581     dm.scroll = gtk_scrolled_window_new(NULL, NULL);
 582     gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(dm.scroll),
 583                                    GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 584     gtk_container_add(GTK_CONTAINER(dm.scroll), dm.toolbar);
 585
 586     gtk_container_add(GTK_CONTAINER(dm.win), dm.scroll);
 587 }
 588
 589 gchar *
 590 ensure_uri_scheme(const gchar *t)
 591 {
 592     gchar *f, *fabs;
 593
 594     f = g_ascii_strdown(t, -1);
 595     if (!g_str_has_prefix(f, "http:") &&
 596         !g_str_has_prefix(f, "https:") &&
 597         !g_str_has_prefix(f, "file:") &&
 598         !g_str_has_prefix(f, "about:") &&
 599         !g_str_has_prefix(f, "data:"))
 600     {
 601         g_free(f);
 602         fabs = realpath(t, NULL);
 603         if (fabs != NULL)
 604         {
 605             f = g_strdup_printf("file://%s", fabs);
 606             free(fabs);
 607         }
 608         else
 609             f = g_strdup_printf("http://%s", t);
 610         return f;
 611     }
 612     else
 613         return g_strdup(t);
 614 }
 615
 616 void
 617 external_handler_run(GSimpleAction *simple, GVariant *param, gpointer data)
 618 {
 619     struct Client *c = (struct Client *)data;
 620     gchar *argv[] = { "lariza-external-handler", "-u", NULL, NULL };
 621     GPid pid;
 622     GError *err = NULL;
 623
 624     (void)simple;
 625     (void)param;
 626
 627     argv[2] = c->external_handler_uri;
 628     if (!g_spawn_async(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 629                        &pid, &err))
 630     {
 631         fprintf(stderr, __NAME__": Could not launch key handler: %s\n",
 632                 err->message);
 633         g_error_free(err);
 634     }
 635     else
 636         g_spawn_close_pid(pid);
 637 }
 638
 639 void
 640 grab_environment_configuration(void)
 641 {
 642     const gchar *e;
 643
 644     e = g_getenv(__NAME_UPPERCASE__"_ACCEPTED_LANGUAGE");
 645     if (e != NULL)
 646         accepted_language[0] = g_strdup(e);
 647
 648     e = g_getenv(__NAME_UPPERCASE__"_DOWNLOAD_DIR");
 649     if (e != NULL)
 650         download_dir = g_strdup(e);
 651
 652     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_CONSOLE_TO_STDOUT");
 653     if (e != NULL)
 654         enable_console_to_stdout = TRUE;
 655
 656     e = g_getenv(__NAME_UPPERCASE__"_ENABLE_EXPERIMENTAL_WEBGL");
 657     if (e != NULL)
 658         enable_webgl = TRUE;
 659
 660     e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX");
 661     if (e != NULL)
 662         fifo_suffix = g_strdup(e);
 663
 664     e = g_getenv(__NAME_UPPERCASE__"_HISTORY_FILE");
 665     if (e != NULL)
 666         history_file = g_strdup(e);
 667
 668     e = g_getenv(__NAME_UPPERCASE__"_HOME_URI");
 669     if (e != NULL)
 670         home_uri = g_strdup(e);
 671
 672     e = g_getenv(__NAME_UPPERCASE__"_USER_AGENT");
 673     if (e != NULL)
 674         user_agent = g_strdup(e);
 675
 676     e = g_getenv(__NAME_UPPERCASE__"_ZOOM");
 677     if (e != NULL)
 678         global_zoom = atof(e);
 679 }
 680
 681 void
 682 grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data)
 683 {
 684     struct Client *c = (struct Client *)data;
 685     WebKitJavascriptResult *js_result;
 686     JSCValue *value;
 687     JSCException *exception;
 688     GError *err = NULL;
 689     gchar *str_value;
 690
 691     g_free(c->feed_html);
 692     c->feed_html = NULL;
 693
 694     /* This was taken almost verbatim from the example in WebKit's
 695      * documentation:
 696      *
 697      * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */
 698
 699     js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object),
 700                                                       result, &err);
 701     if (!js_result)
 702     {
 703         fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message);
 704         g_error_free(err);
 705         return;
 706     }
 707
 708     value = webkit_javascript_result_get_js_value(js_result);
 709     if (jsc_value_is_string(value))
 710     {
 711         str_value = jsc_value_to_string(value);
 712         exception = jsc_context_get_exception(jsc_value_get_context(value));
 713         if (exception != NULL)
 714         {
 715             fprintf(stderr, __NAME__": Error running javascript: %s\n",
 716                     jsc_exception_get_message(exception));
 717         }
 718         else
 719             c->feed_html = str_value;
 720
 721         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 722                                           GTK_ENTRY_ICON_PRIMARY,
 723                                           "application-rss+xml-symbolic");
 724         gtk_entry_set_icon_activatable(GTK_ENTRY(c->location),
 725                                        GTK_ENTRY_ICON_PRIMARY,
 726                                        TRUE);
 727     }
 728     else
 729     {
 730         gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location),
 731                                           GTK_ENTRY_ICON_PRIMARY,
 732                                           NULL);
 733     }
 734
 735     webkit_javascript_result_unref(js_result);
 736 }
 737
 738 void
 739 hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers,
 740                gpointer data)
 741 {
 742     struct Client *c = (struct Client *)data;
 743
 744     if (!gtk_widget_is_focus(c->location))
 745     {
 746         if (webkit_hit_test_result_context_is_link(ht))
 747         {
 748             gtk_entry_set_text(GTK_ENTRY(c->location),
 749                                webkit_hit_test_result_get_link_uri(ht));
 750
 751             if (c->hover_uri != NULL)
 752                 g_free(c->hover_uri);
 753             c->hover_uri = g_strdup(webkit_hit_test_result_get_link_uri(ht));
 754         }
 755         else
 756         {
 757             gtk_entry_set_text(GTK_ENTRY(c->location),
 758                                webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 759
 760             if (c->hover_uri != NULL)
 761                 g_free(c->hover_uri);
 762             c->hover_uri = NULL;
 763         }
 764     }
 765 }
 766
 767 void
 768 icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event,
 769               gpointer data)
 770 {
 771     struct Client *c = (struct Client *)data;
 772     gchar *d;
 773     gchar *data_template =
 774         "data:text/html,"
 775         "<!DOCTYPE html>"
 776         "<html>"
 777         "    <head>"
 778         "        <meta charset=\"UTF-8\">"
 779         "        <title>Feeds</title>"
 780         "    </head>"
 781         "    <body>"
 782         "        <p>Feeds found on this page:</p>"
 783         "        <ul>"
 784         "        %s"
 785         "        </ul>"
 786         "    </body>"
 787         "</html>";
 788
 789     if (c->feed_html != NULL)
 790     {
 791         /* What we're actually trying to do is show a simple HTML page
 792          * that lists all the feeds on the current page. The function
 793          * webkit_web_view_load_html() looks like the proper way to do
 794          * that. Sad thing is, it doesn't create a history entry, but
 795          * instead simply replaces the content of the current page. This
 796          * is not what we want.
 797          *
 798          * RFC 2397 [0] defines the data URI scheme [1]. We abuse this
 799          * mechanism to show my custom HTML snippet *and* create a
 800          * history entry.
 801          *
 802          * [0]: https://tools.ietf.org/html/rfc2397
 803          * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */
 804         d = g_strdup_printf(data_template, c->feed_html);
 805         webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d);
 806         g_free(d);
 807     }
 808 }
 809
 810 gboolean
 811 key_common(GtkWidget *widget, GdkEvent *event, gpointer data)
 812 {
 813     struct Client *c = (struct Client *)data;
 814     WebKitWebContext *wc = webkit_web_view_get_context(WEBKIT_WEB_VIEW(c->web_view));
 815     gchar *f;
 816
 817     if (event->type == GDK_KEY_PRESS)
 818     {
 819         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 820         {
 821             switch (((GdkEventKey *)event)->keyval)
 822             {
 823                 case GDK_KEY_q:  /* close window (left hand) */
 824                     gtk_widget_destroy(c->win);
 825                     return TRUE;
 826                 case GDK_KEY_w:  /* home (left hand) */
 827                     f = ensure_uri_scheme(home_uri);
 828                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 829                     g_free(f);
 830                     return TRUE;
 831                 case GDK_KEY_e:  /* new tab (left hand) */
 832                     f = ensure_uri_scheme(home_uri);
 833                     client_new(f, NULL, TRUE);
 834                     g_free(f);
 835                     return TRUE;
 836                 case GDK_KEY_r:  /* reload (left hand) */
 837                     webkit_web_view_reload_bypass_cache(WEBKIT_WEB_VIEW(
 838                                                         c->web_view));
 839                     return TRUE;
 840                 case GDK_KEY_d:  /* download manager (left hand) */
 841                     gtk_widget_show_all(dm.win);
 842                     return TRUE;
 843                 case GDK_KEY_2:  /* search forward (left hand) */
 844                 case GDK_KEY_n:  /* search forward (maybe both hands) */
 845                     search(c, 1);
 846                     return TRUE;
 847                 case GDK_KEY_3:  /* search backward (left hand) */
 848                     search(c, -1);
 849                     return TRUE;
 850                 case GDK_KEY_l:  /* location (BOTH hands) */
 851                     gtk_widget_grab_focus(c->location);
 852                     return TRUE;
 853                 case GDK_KEY_k:  /* initiate search (BOTH hands) */
 854                     gtk_widget_grab_focus(c->location);
 855                     gtk_entry_set_text(GTK_ENTRY(c->location), ":/");
 856                     gtk_editable_set_position(GTK_EDITABLE(c->location), -1);
 857                     return TRUE;
 858                 case GDK_KEY_c:  /* reload trusted certs (left hand) */
 859                     trust_user_certs(wc);
 860                     return TRUE;
 861                 case GDK_KEY_x:  /* launch external handler (left hand) */
 862                     if (c->external_handler_uri != NULL)
 863                         g_free(c->external_handler_uri);
 864                     c->external_handler_uri = g_strdup(
 865                         webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view)));
 866                     external_handler_run(NULL, NULL, c);
 867                     return TRUE;
 868             }
 869         }
 870         /* navigate backward (left hand) */
 871         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F2)
 872         {
 873             webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 874             return TRUE;
 875         }
 876         /* navigate forward (left hand) */
 877         else if (((GdkEventKey *)event)->keyval == GDK_KEY_F3)
 878         {
 879             webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 880             return TRUE;
 881         }
 882     }
 883
 884     return FALSE;
 885 }
 886
 887 gboolean
 888 key_downloadmanager(GtkWidget *widget, GdkEvent *event, gpointer data)
 889 {
 890     if (event->type == GDK_KEY_PRESS)
 891     {
 892         if (((GdkEventKey *)event)->state & GDK_MOD1_MASK)
 893         {
 894             switch (((GdkEventKey *)event)->keyval)
 895             {
 896                 case GDK_KEY_d:  /* close window (left hand) */
 897                 case GDK_KEY_q:
 898                     downloadmanager_delete(dm.win, NULL);
 899                     return TRUE;
 900             }
 901         }
 902     }
 903
 904     return FALSE;
 905 }
 906
 907 gboolean
 908 key_location(GtkWidget *widget, GdkEvent *event, gpointer data)
 909 {
 910     struct Client *c = (struct Client *)data;
 911     const gchar *t;
 912     gchar *f;
 913
 914     if (key_common(widget, event, data))
 915         return TRUE;
 916
 917     if (event->type == GDK_KEY_PRESS)
 918     {
 919         switch (((GdkEventKey *)event)->keyval)
 920         {
 921             case GDK_KEY_KP_Enter:
 922             case GDK_KEY_Return:
 923                 gtk_widget_grab_focus(c->web_view);
 924                 t = gtk_entry_get_text(GTK_ENTRY(c->location));
 925                 if (t != NULL && t[0] == ':' && t[1] == '/')
 926                 {
 927                     if (search_text != NULL)
 928                         g_free(search_text);
 929                     search_text = g_strdup(t + 2);
 930                     search(c, 0);
 931                 }
 932                 else if (!keywords_try_search(WEBKIT_WEB_VIEW(c->web_view), t))
 933                 {
 934                     f = ensure_uri_scheme(t);
 935                     webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), f);
 936                     g_free(f);
 937                 }
 938                 return TRUE;
 939             case GDK_KEY_Escape:
 940                 t = webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view));
 941                 gtk_entry_set_text(GTK_ENTRY(c->location),
 942                                    (t == NULL ? __NAME__ : t));
 943                 return TRUE;
 944         }
 945     }
 946
 947     return FALSE;
 948 }
 949
 950 gboolean
 951 key_web_view(GtkWidget *widget, GdkEvent *event, gpointer data)
 952 {
 953     struct Client *c = (struct Client *)data;
 954     gdouble dx, dy;
 955     gfloat z;
 956
 957     if (key_common(widget, event, data))
 958         return TRUE;
 959
 960     if (event->type == GDK_KEY_PRESS)
 961     {
 962         if (((GdkEventKey *)event)->keyval == GDK_KEY_Escape)
 963         {
 964             webkit_web_view_stop_loading(WEBKIT_WEB_VIEW(c->web_view));
 965             gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), 0);
 966         }
 967     }
 968     else if (event->type == GDK_BUTTON_RELEASE)
 969     {
 970         switch (((GdkEventButton *)event)->button)
 971         {
 972             case 2:
 973                 if (c->hover_uri != NULL)
 974                 {
 975                     client_new(c->hover_uri, NULL, TRUE);
 976                     return TRUE;
 977                 }
 978                 break;
 979             case 8:
 980                 webkit_web_view_go_back(WEBKIT_WEB_VIEW(c->web_view));
 981                 return TRUE;
 982             case 9:
 983                 webkit_web_view_go_forward(WEBKIT_WEB_VIEW(c->web_view));
 984                 return TRUE;
 985         }
 986     }
 987     else if (event->type == GDK_SCROLL)
 988     {
 989         if (((GdkEventScroll *)event)->state & GDK_MOD1_MASK ||
 990             ((GdkEventScroll *)event)->state & GDK_CONTROL_MASK)
 991         {
 992             gdk_event_get_scroll_deltas(event, &dx, &dy);
 993             z = webkit_web_view_get_zoom_level(WEBKIT_WEB_VIEW(c->web_view));
 994             z += -dy * 0.1;
 995             z = dx != 0 ? global_zoom : z;
 996             webkit_web_view_set_zoom_level(WEBKIT_WEB_VIEW(c->web_view), z);
 997             return TRUE;
 998         }
 999     }
1000
1001     return FALSE;
1002 }
1003
1004 void
1005 keywords_load(void)
1006 {
1007     GError *err = NULL;
1008     GIOChannel *channel = NULL;
1009     gchar *path = NULL, *buf = NULL;
1010     gchar **tokens = NULL;
1011
1012     keywords = g_hash_table_new(g_str_hash, g_str_equal);
1013
1014     path = g_build_filename(g_get_user_config_dir(), __NAME__, "keywordsearch",
1015                             NULL);
1016     channel = g_io_channel_new_file(path, "r", &err);
1017     if (channel != NULL)
1018     {
1019         while (g_io_channel_read_line(channel, &buf, NULL, NULL, NULL)
1020                == G_IO_STATUS_NORMAL)
1021         {
1022             g_strstrip(buf);
1023             if (buf[0] != '#')
1024             {
1025                 tokens = g_strsplit(buf, " ", 2);
1026                 if (tokens[0] != NULL && tokens[1] != NULL)
1027                     g_hash_table_insert(keywords, g_strdup(tokens[0]),
1028                                         g_strdup(tokens[1]));
1029                 g_strfreev(tokens);
1030             }
1031             g_free(buf);
1032         }
1033         g_io_channel_shutdown(channel, FALSE, NULL);
1034     }
1035     g_free(path);
1036 }
1037
1038 gboolean
1039 keywords_try_search(WebKitWebView *web_view, const gchar *t)
1040 {
1041     gboolean ret = FALSE;
1042     gchar **tokens = NULL;
1043     gchar *val = NULL, *escaped = NULL, *uri = NULL;
1044
1045     tokens = g_strsplit(t, " ", 2);
1046     if (tokens[0] != NULL && tokens[1] != NULL)
1047     {
1048         val = g_hash_table_lookup(keywords, tokens[0]);
1049         if (val != NULL)
1050         {
1051             escaped = g_uri_escape_string(tokens[1], NULL, TRUE);
1052             uri = g_strdup_printf((gchar *)val, escaped);
1053             webkit_web_view_load_uri(web_view, uri);
1054             g_free(uri);
1055             g_free(escaped);
1056             ret = TRUE;
1057         }
1058     }
1059     g_strfreev(tokens);
1060
1061     return ret;
1062 }
1063
1064 gboolean
1065 menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev,
1066               WebKitHitTestResult *ht, gpointer data)
1067 {
1068     struct Client *c = (struct Client *)data;
1069     GSimpleAction *action = NULL;
1070     WebKitContextMenuItem *mi = NULL;
1071     const gchar *uri = NULL;
1072
1073     (void)ev;
1074
1075     if (webkit_hit_test_result_context_is_link(ht))
1076         uri = webkit_hit_test_result_get_link_uri(ht);
1077     else if (webkit_hit_test_result_context_is_image(ht))
1078         uri = webkit_hit_test_result_get_image_uri(ht);
1079     else if (webkit_hit_test_result_context_is_media(ht))
1080         uri = webkit_hit_test_result_get_media_uri(ht);
1081
1082     if (uri != NULL)
1083     {
1084         webkit_context_menu_append(menu, webkit_context_menu_item_new_separator());
1085
1086         if (c->external_handler_uri != NULL)
1087             g_free(c->external_handler_uri);
1088         c->external_handler_uri = g_strdup(uri);
1089         action = g_simple_action_new("external_handler", NULL);
1090         g_signal_connect(G_OBJECT(action), "activate",
1091                          G_CALLBACK(external_handler_run), data);
1092         mi = webkit_context_menu_item_new_from_gaction(G_ACTION(action),
1093                                                        "Open with external handler",
1094                                                        NULL);
1095         webkit_context_menu_append(menu, mi);
1096         g_object_unref(action);
1097     }
1098
1099     /* FALSE = Show the menu. (TRUE = Don't ever show it.) */
1100     return FALSE;
1101 }
1102
1103 gboolean
1104 quit_if_nothing_active(void)
1105 {
1106     if (clients == 0)
1107     {
1108         if (downloads == 0)
1109         {
1110             gtk_main_quit();
1111             return TRUE;
1112         }
1113         else
1114             gtk_widget_show_all(dm.win);
1115     }
1116
1117     return FALSE;
1118 }
1119
1120 gboolean
1121 remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data)
1122 {
1123     gchar *uri = NULL;
1124
1125     g_io_channel_read_line(channel, &uri, NULL, NULL, NULL);
1126     if (uri)
1127     {
1128         g_strstrip(uri);
1129         client_new(uri, NULL, TRUE);
1130         g_free(uri);
1131     }
1132     return TRUE;
1133 }
1134
1135 void
1136 run_user_scripts(WebKitWebView *web_view)
1137 {
1138     gchar *base = NULL, *path = NULL, *contents = NULL;
1139     const gchar *entry = NULL;
1140     GDir *scriptdir = NULL;
1141
1142     base = g_build_filename(g_get_user_config_dir(), __NAME__, "scripts", NULL);
1143     scriptdir = g_dir_open(base, 0, NULL);
1144     if (scriptdir != NULL)
1145     {
1146         while ((entry = g_dir_read_name(scriptdir)) != NULL)
1147         {
1148             path = g_build_filename(base, entry, NULL);
1149             if (g_str_has_suffix(path, ".js"))
1150             {
1151                 if (g_file_get_contents(path, &contents, NULL, NULL))
1152                 {
1153                     webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL);
1154                     g_free(contents);
1155                 }
1156             }
1157             g_free(path);
1158         }
1159         g_dir_close(scriptdir);
1160     }
1161
1162     g_free(base);
1163 }
1164
1165 void
1166 search(gpointer data, gint direction)
1167 {
1168     struct Client *c = (struct Client *)data;
1169     WebKitWebView *web_view = WEBKIT_WEB_VIEW(c->web_view);
1170     WebKitFindController *fc = webkit_web_view_get_find_controller(web_view);
1171
1172     if (search_text == NULL)
1173         return;
1174
1175     switch (direction)
1176     {
1177         case 0:
1178             webkit_find_controller_search(fc, search_text,
1179                                           WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE |
1180                                           WEBKIT_FIND_OPTIONS_WRAP_AROUND,
1181                                           G_MAXUINT);
1182             break;
1183         case 1:
1184             webkit_find_controller_search_next(fc);
1185             break;
1186         case -1:
1187             webkit_find_controller_search_previous(fc);
1188             break;
1189     }
1190 }
1191
1192 void
1193 show_web_view(WebKitWebView *web_view, gpointer data)
1194 {
1195     struct Client *c = (struct Client *)data;
1196
1197     (void)web_view;
1198
1199     gtk_widget_grab_focus(c->web_view);
1200     gtk_widget_show_all(c->win);
1201 }
1202
1203 Window
1204 tabbed_launch(void)
1205 {
1206     gint tabbed_stdout;
1207     GIOChannel *tabbed_stdout_channel;
1208     GError *err = NULL;
1209     gchar *output = NULL;
1210     char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL };
1211     Window plug_into;
1212
1213     if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL,
1214                                   NULL, NULL, NULL, &tabbed_stdout, NULL,
1215                                   &err))
1216     {
1217         fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message);
1218         g_error_free(err);
1219         return 0;
1220     }
1221
1222     tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout);
1223     if (tabbed_stdout_channel == NULL)
1224     {
1225         fprintf(stderr, __NAME__": Could open tabbed's stdout\n");
1226         return 0;
1227     }
1228     g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL);
1229     g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL);
1230     if (output == NULL)
1231     {
1232         fprintf(stderr, __NAME__": Could not read XID from tabbed\n");
1233         return 0;
1234     }
1235     g_strstrip(output);
1236     plug_into = strtol(output, NULL, 16);
1237     g_free(output);
1238     if (plug_into == 0)
1239         fprintf(stderr, __NAME__": The XID from tabbed is 0\n");
1240     return plug_into;
1241 }
1242
1243 void
1244 trust_user_certs(WebKitWebContext *wc)
1245 {
1246     GTlsCertificate *cert;
1247     const gchar *basedir, *file, *absfile;
1248     GDir *dir;
1249
1250     basedir = g_build_filename(g_get_user_config_dir(), __NAME__, "certs", NULL);
1251     dir = g_dir_open(basedir, 0, NULL);
1252     if (dir != NULL)
1253     {
1254         file = g_dir_read_name(dir);
1255         while (file != NULL)
1256         {
1257             absfile = g_build_filename(g_get_user_config_dir(), __NAME__, "certs",
1258                                        file, NULL);
1259             cert = g_tls_certificate_new_from_file(absfile, NULL);
1260             if (cert == NULL)
1261                 fprintf(stderr, __NAME__": Could not load trusted cert '%s'\n", file);
1262             else
1263                 webkit_web_context_allow_tls_certificate_for_host(wc, cert, file);
1264             file = g_dir_read_name(dir);
1265         }
1266         g_dir_close(dir);
1267     }
1268 }
1269
1270
1271 int
1272 main(int argc, char **argv)
1273 {
1274     gchar *c;
1275     int opt, i;
1276
1277     gtk_init(&argc, &argv);
1278     webkit_web_context_set_process_model(webkit_web_context_get_default(),
1279         WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1280
1281     grab_environment_configuration();
1282
1283     while ((opt = getopt(argc, argv, "e:CT")) != -1)
1284     {
1285         switch (opt)
1286         {
1287             case 'e':
1288                 embed = atol(optarg);
1289                 tabbed_automagic = FALSE;
1290                 break;
1291             case 'C':
1292                 cooperative_instances = FALSE;
1293                 break;
1294             case 'T':
1295                 tabbed_automagic = FALSE;
1296                 break;
1297             default:
1298                 fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n");
1299                 exit(EXIT_FAILURE);
1300         }
1301     }
1302
1303     keywords_load();
1304     if (cooperative_instances)
1305         cooperation_setup();
1306     downloadmanager_setup();
1307
1308     if (tabbed_automagic && !(cooperative_instances && !cooperative_alone))
1309         embed = tabbed_launch();
1310
1311     if (!cooperative_instances || cooperative_alone)
1312     {
1313         c = g_build_filename(g_get_user_config_dir(), __NAME__, "web_extensions",
1314                              NULL);
1315         webkit_web_context_set_web_extensions_directory(
1316             webkit_web_context_get_default(), c
1317         );
1318     }
1319
1320     if (optind >= argc)
1321         client_new(home_uri, NULL, TRUE);
1322     else
1323     {
1324         for (i = optind; i < argc; i++)
1325             client_new(argv[i], NULL, TRUE);
1326     }
1327
1328     if (!cooperative_instances || cooperative_alone)
1329         gtk_main();
1330     exit(EXIT_SUCCESS);
1331 }