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