surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5
   6 #include <signal.h>
   7 #include <X11/X.h>
   8 #include <X11/Xatom.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit/webkit.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  37 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  38
  39 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  40 enum {
  41         ClkDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  42         ClkLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  43         ClkImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  44         ClkMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  45         ClkSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  46         ClkEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  47         ClkAny   = ClkDoc | ClkLink | ClkImg | ClkMedia | ClkSel | ClkEdit,
  48 };
  49
  50 typedef union Arg Arg;
  51 union Arg {
  52         gboolean b;
  53         gint i;
  54         const void *v;
  55 };
  56
  57 typedef struct Client {
  58         GtkWidget *win, *scroll, *vbox, *pane;
  59         WebKitWebView *view;
  60         WebKitWebInspector *inspector;
  61         char *title, *linkhover;
  62         const char *needle;
  63         gint progress;
  64         struct Client *next;
  65         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  66 } Client;
  67
  68 typedef struct {
  69         guint mod;
  70         guint keyval;
  71         void (*func)(Client *c, const Arg *arg);
  72         const Arg arg;
  73 } Key;
  74
  75 typedef struct {
  76         unsigned int click;
  77         unsigned int mask;
  78         guint button;
  79         void (*func)(Client *c, const Arg *arg);
  80         const Arg arg;
  81 } Button;
  82
  83 typedef struct {
  84         SoupCookieJarText parent_instance;
  85         int lock;
  86 } CookieJar;
  87
  88 typedef struct {
  89         SoupCookieJarTextClass parent_class;
  90 } CookieJarClass;
  91
  92 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  93
  94 typedef struct {
  95         char *regex;
  96         char *style;
  97         regex_t re;
  98 } SiteStyle;
  99
 100 static Display *dpy;
 101 static Atom atoms[AtomLast];
 102 static Client *clients = NULL;
 103 static GdkNativeWindow embed = 0;
 104 static gboolean showxid = FALSE;
 105 static char winid[64];
 106 static gboolean usingproxy = 0;
 107 static char togglestat[9];
 108 static char pagestat[3];
 109 static GTlsDatabase *tlsdb;
 110 static int policysel = 0;
 111 static char *stylefile = NULL;
 112 static SoupCache *diskcache = NULL;
 113
 114 static void addaccelgroup(Client *c);
 115 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 116                 WebKitWebResource *r, WebKitNetworkRequest *req,
 117                 WebKitNetworkResponse *resp, Client *c);
 118 static char *buildfile(const char *path);
 119 static char *buildpath(const char *path);
 120 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 121 static void cleanup(void);
 122 static void clipboard(Client *c, const Arg *arg);
 123
 124 /* Cookiejar implementation */
 125 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 126                 SoupCookie *new_cookie);
 127 static void cookiejar_finalize(GObject *self);
 128 static SoupCookieJarAcceptPolicy cookiepolicy_get(void);
 129 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only,
 130                 SoupCookieJarAcceptPolicy policy);
 131 static void cookiejar_set_property(GObject *self, guint prop_id,
 132                 const GValue *value, GParamSpec *pspec);
 133 static char cookiepolicy_set(const SoupCookieJarAcceptPolicy p);
 134
 135 static char *copystr(char **str, const char *src);
 136 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 137                 Client *c);
 138 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 139                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 140                 Client *c);
 141 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 142                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 143                 WebKitWebPolicyDecision *p, Client *c);
 144 static gboolean deletion_interface(WebKitWebView *view,
 145                 WebKitDOMHTMLElement *arg1, Client *c);
 146 static void destroyclient(Client *c);
 147 static void destroywin(GtkWidget* w, Client *c);
 148 static void die(const char *errstr, ...);
 149 static void eval(Client *c, const Arg *arg);
 150 static void find(Client *c, const Arg *arg);
 151 static void fullscreen(Client *c, const Arg *arg);
 152 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 153                 WebKitGeolocationPolicyDecision *d, Client *c);
 154 static const char *getatom(Client *c, int a);
 155 static void gettogglestat(Client *c);
 156 static void getpagestat(Client *c);
 157 static char *geturi(Client *c);
 158 static gchar *getstyle(const char *uri);
 159
 160 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 161
 162 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 163
 164 static void inspector(Client *c, const Arg *arg);
 165 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 166                 Client *c);
 167 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 168 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 169 static void inspector_finished(WebKitWebInspector *i, Client *c);
 170
 171 static gboolean keypress(GtkAccelGroup *group,
 172                 GObject *obj, guint key, GdkModifierType mods,
 173                 Client *c);
 174 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 175                 Client *c);
 176 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 177                 Client *c);
 178 static void loaduri(Client *c, const Arg *arg);
 179 static void navigate(Client *c, const Arg *arg);
 180 static Client *newclient(void);
 181 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 182 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 183 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 184                 WebKitHitTestResult *target, gboolean keyboard, Client *c);
 185 static void menuactivate(GtkMenuItem *item, Client *c);
 186 static void print(Client *c, const Arg *arg);
 187 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 188                 gpointer d);
 189 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 190 static void linkopen(Client *c, const Arg *arg);
 191 static void linkopenembed(Client *c, const Arg *arg);
 192 static void reload(Client *c, const Arg *arg);
 193 static void scroll_h(Client *c, const Arg *arg);
 194 static void scroll_v(Client *c, const Arg *arg);
 195 static void scroll(GtkAdjustment *a, const Arg *arg);
 196 static void setatom(Client *c, int a, const char *v);
 197 static void setup(void);
 198 static void sigchld(int unused);
 199 static void source(Client *c, const Arg *arg);
 200 static void spawn(Client *c, const Arg *arg);
 201 static void stop(Client *c, const Arg *arg);
 202 static void titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 203 static void titlechangeleave(void *a, void *b, Client *c);
 204 static void toggle(Client *c, const Arg *arg);
 205 static void togglecookiepolicy(Client *c, const Arg *arg);
 206 static void togglegeolocation(Client *c, const Arg *arg);
 207 static void togglescrollbars(Client *c, const Arg *arg);
 208 static void togglestyle(Client *c, const Arg *arg);
 209 static void updatetitle(Client *c);
 210 static void updatewinid(Client *c);
 211 static void usage(void);
 212 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 213                 JSContextRef js, JSObjectRef win, Client *c);
 214 static void zoom(Client *c, const Arg *arg);
 215
 216 /* configuration, allows nested code to access above variables */
 217 #include "config.h"
 218
 219 static void
 220 addaccelgroup(Client *c) {
 221         int i;
 222         GtkAccelGroup *group = gtk_accel_group_new();
 223         GClosure *closure;
 224
 225         for (i = 0; i < LENGTH(keys); i++) {
 226                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 227                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod,
 228                                 0, closure);
 229         }
 230         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 231 }
 232
 233 static void
 234 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 235                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 236                 Client *c) {
 237         const gchar *uri = webkit_network_request_get_uri(req);
 238         int i, isascii = 1;
 239
 240         if (g_str_has_suffix(uri, "/favicon.ico"))
 241                 webkit_network_request_set_uri(req, "about:blank");
 242
 243         if (!g_str_has_prefix(uri, "http://") \
 244                         && !g_str_has_prefix(uri, "https://") \
 245                         && !g_str_has_prefix(uri, "about:") \
 246                         && !g_str_has_prefix(uri, "file://") \
 247                         && !g_str_has_prefix(uri, "data:") \
 248                         && !g_str_has_prefix(uri, "blob:") \
 249                         && strlen(uri) > 0) {
 250
 251                 for (i = 0; i < strlen(uri); i++) {
 252                         if (!g_ascii_isprint(uri[i])) {
 253                                 isascii = 0;
 254                                 break;
 255                         }
 256                 }
 257                 if (isascii)
 258                         handleplumb(c, w, uri);
 259         }
 260 }
 261
 262 static char *
 263 buildfile(const char *path) {
 264         char *dname, *bname, *bpath, *fpath;
 265         FILE *f;
 266
 267         dname = g_path_get_dirname(path);
 268         bname = g_path_get_basename(path);
 269
 270         bpath = buildpath(dname);
 271         g_free(dname);
 272
 273         fpath = g_build_filename(bpath, bname, NULL);
 274         g_free(bname);
 275
 276         if (!(f = fopen(fpath, "a")))
 277                 die("Could not open file: %s\n", fpath);
 278
 279         g_chmod(fpath, 0600); /* always */
 280         fclose(f);
 281
 282         return fpath;
 283 }
 284
 285 static char *
 286 buildpath(const char *path) {
 287         struct passwd *pw;
 288         char *apath, *name, *p, *fpath;
 289
 290         if (path[0] == '~') {
 291                 if (path[1] == '/' || path[1] == '\0') {
 292                         p = (char *)&path[1];
 293                         pw = getpwuid(getuid());
 294                 } else {
 295                         if ((p = strchr(path, '/')))
 296                                 name = g_strndup(&path[1], --p - path);
 297                         else
 298                                 name = g_strdup(&path[1]);
 299
 300                         if (!(pw = getpwnam(name))) {
 301                                 die("Can't get user %s home directory: %s.\n",
 302                                                 name, path);
 303                         }
 304                         g_free(name);
 305                 }
 306                 apath = g_build_filename(pw->pw_dir, p, NULL);
 307         } else {
 308                 apath = g_strdup(path);
 309         }
 310
 311         /* creating directory */
 312         if (g_mkdir_with_parents(apath, 0700) < 0)
 313                 die("Could not access directory: %s\n", apath);
 314
 315         fpath = realpath(apath, NULL);
 316         g_free(apath);
 317
 318         return fpath;
 319 }
 320
 321 static gboolean
 322 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c) {
 323         WebKitHitTestResultContext context;
 324         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 325                         e);
 326         Arg arg;
 327         unsigned int i;
 328
 329         g_object_get(result, "context", &context, NULL);
 330         g_object_get(result, "link-uri", &arg.v, NULL);
 331         for (i = 0; i < LENGTH(buttons); i++) {
 332                 if (context & buttons[i].click && e->button == buttons[i].button &&
 333                 CLEANMASK(e->state) == CLEANMASK(buttons[i].mask) && buttons[i].func) {
 334                         buttons[i].func(c, buttons[i].click == ClkLink && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 335                         return true;
 336                 }
 337         }
 338         return false;
 339 }
 340
 341 static void
 342 cleanup(void) {
 343         if (diskcache) {
 344                 soup_cache_flush(diskcache);
 345                 soup_cache_dump(diskcache);
 346         }
 347         while (clients)
 348                 destroyclient(clients);
 349         g_free(cookiefile);
 350         g_free(scriptfile);
 351         g_free(stylefile);
 352 }
 353
 354 static void
 355 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 356                 SoupCookie *new_cookie) {
 357         flock(COOKIEJAR(self)->lock, LOCK_EX);
 358         if (new_cookie && !new_cookie->expires && sessiontime) {
 359                 soup_cookie_set_expires(new_cookie,
 360                                 soup_date_new_from_now(sessiontime));
 361         }
 362         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 363                         old_cookie, new_cookie);
 364         flock(COOKIEJAR(self)->lock, LOCK_UN);
 365 }
 366
 367 static void
 368 cookiejar_class_init(CookieJarClass *klass) {
 369         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 370         G_OBJECT_CLASS(klass)->get_property =
 371                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 372         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 373         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 374         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 375 }
 376
 377 static void
 378 cookiejar_finalize(GObject *self) {
 379         close(COOKIEJAR(self)->lock);
 380         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 381 }
 382
 383 static void
 384 cookiejar_init(CookieJar *self) {
 385         self->lock = open(cookiefile, 0);
 386 }
 387
 388 static SoupCookieJar *
 389 cookiejar_new(const char *filename, gboolean read_only,
 390                 SoupCookieJarAcceptPolicy policy) {
 391         return g_object_new(COOKIEJAR_TYPE,
 392                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 393                             SOUP_COOKIE_JAR_READ_ONLY, read_only,
 394                             SOUP_COOKIE_JAR_ACCEPT_POLICY, policy, NULL);
 395 }
 396
 397 static void
 398 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 399                 GParamSpec *pspec) {
 400         flock(COOKIEJAR(self)->lock, LOCK_SH);
 401         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 402                         value, pspec);
 403         flock(COOKIEJAR(self)->lock, LOCK_UN);
 404 }
 405
 406 static SoupCookieJarAcceptPolicy
 407 cookiepolicy_get(void) {
 408         switch (cookiepolicies[policysel]) {
 409         case 'a':
 410                 return SOUP_COOKIE_JAR_ACCEPT_NEVER;
 411         case '@':
 412                 return SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY;
 413         case 'A':
 414         default:
 415                 break;
 416         }
 417
 418         return SOUP_COOKIE_JAR_ACCEPT_ALWAYS;
 419 }
 420
 421 static char
 422 cookiepolicy_set(const SoupCookieJarAcceptPolicy ep) {
 423         switch (ep) {
 424         case SOUP_COOKIE_JAR_ACCEPT_NEVER:
 425                 return 'a';
 426         case SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY:
 427                 return '@';
 428         case SOUP_COOKIE_JAR_ACCEPT_ALWAYS:
 429         default:
 430                 break;
 431         }
 432
 433         return 'A';
 434 }
 435
 436 static void
 437 evalscript(JSContextRef js, char *script, char* scriptname) {
 438         JSStringRef jsscript, jsscriptname;
 439         JSValueRef exception = NULL;
 440
 441         jsscript = JSStringCreateWithUTF8CString(script);
 442         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 443         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 444                         jsscriptname, 0, &exception);
 445         JSStringRelease(jsscript);
 446         JSStringRelease(jsscriptname);
 447 }
 448
 449 static void
 450 runscript(WebKitWebFrame *frame) {
 451         char *script;
 452         GError *error;
 453
 454         if (g_file_get_contents(scriptfile, &script, NULL, &error)) {
 455                 evalscript(webkit_web_frame_get_global_context(frame),
 456                                 script, scriptfile);
 457         }
 458 }
 459
 460 static void
 461 clipboard(Client *c, const Arg *arg) {
 462         gboolean paste = *(gboolean *)arg;
 463
 464         if (paste) {
 465                 gtk_clipboard_request_text(
 466                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 467                                 pasteuri, c);
 468         } else {
 469                 gtk_clipboard_set_text(
 470                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 471                                 c->linkhover ? c->linkhover : geturi(c), -1);
 472         }
 473 }
 474
 475 static char *
 476 copystr(char **str, const char *src) {
 477         char *tmp;
 478         tmp = g_strdup(src);
 479
 480         if (str && *str) {
 481                 g_free(*str);
 482                 *str = tmp;
 483         }
 484         return tmp;
 485 }
 486
 487 static WebKitWebView *
 488 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 489         Client *n = newclient();
 490         return n->view;
 491 }
 492
 493 static gboolean
 494 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 495                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 496         if (!webkit_web_view_can_show_mime_type(v, m)) {
 497                 webkit_web_policy_decision_download(p);
 498                 return TRUE;
 499         }
 500         return FALSE;
 501 }
 502
 503 static gboolean
 504 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 505                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 506                 Client *c) {
 507         Arg arg;
 508
 509         if (webkit_web_navigation_action_get_reason(n) ==
 510                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 511                 webkit_web_policy_decision_ignore(p);
 512                 arg.v = (void *)webkit_network_request_get_uri(r);
 513                 newwindow(NULL, &arg, 0);
 514                 return TRUE;
 515         }
 516         return FALSE;
 517 }
 518
 519 static gboolean
 520 deletion_interface(WebKitWebView *view,
 521                 WebKitDOMHTMLElement *arg1, Client *c) {
 522         return FALSE;
 523 }
 524
 525 static void
 526 destroyclient(Client *c) {
 527         Client *p;
 528
 529         webkit_web_view_stop_loading(c->view);
 530         gtk_widget_destroy(GTK_WIDGET(c->view));
 531         gtk_widget_destroy(c->scroll);
 532         gtk_widget_destroy(c->vbox);
 533         gtk_widget_destroy(c->win);
 534
 535         for (p = clients; p && p->next != c; p = p->next);
 536         if (p) {
 537                 p->next = c->next;
 538         } else {
 539                 clients = c->next;
 540         }
 541         free(c);
 542         if (clients == NULL)
 543                 gtk_main_quit();
 544 }
 545
 546 static void
 547 destroywin(GtkWidget* w, Client *c) {
 548         destroyclient(c);
 549 }
 550
 551 static void
 552 die(const char *errstr, ...) {
 553         va_list ap;
 554
 555         va_start(ap, errstr);
 556         vfprintf(stderr, errstr, ap);
 557         va_end(ap);
 558         exit(EXIT_FAILURE);
 559 }
 560
 561 static void
 562 find(Client *c, const Arg *arg) {
 563         const char *s;
 564
 565         s = getatom(c, AtomFind);
 566         gboolean forward = *(gboolean *)arg;
 567         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 568 }
 569
 570 static void
 571 fullscreen(Client *c, const Arg *arg) {
 572         if (c->fullscreen) {
 573                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 574         } else {
 575                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 576         }
 577         c->fullscreen = !c->fullscreen;
 578 }
 579
 580 static void
 581 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 582                 WebKitGeolocationPolicyDecision *d, Client *c) {
 583         if (allowgeolocation) {
 584                 webkit_geolocation_policy_allow(d);
 585         } else {
 586                 webkit_geolocation_policy_deny(d);
 587         }
 588 }
 589
 590 static const char *
 591 getatom(Client *c, int a) {
 592         static char buf[BUFSIZ];
 593         Atom adummy;
 594         int idummy;
 595         unsigned long ldummy;
 596         unsigned char *p = NULL;
 597
 598         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 599                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 600                         &adummy, &idummy, &ldummy, &ldummy, &p);
 601         if (p) {
 602                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 603         } else {
 604                 buf[0] = '\0';
 605         }
 606         XFree(p);
 607
 608         return buf;
 609 }
 610
 611 static char *
 612 geturi(Client *c) {
 613         char *uri;
 614
 615         if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
 616                 uri = "about:blank";
 617         return uri;
 618 }
 619
 620 static gchar *
 621 getstyle(const char *uri) {
 622         int i;
 623
 624         if (stylefile != NULL)
 625                 return g_strconcat("file://", stylefile, NULL);
 626
 627         for (i = 0; i < LENGTH(styles); i++) {
 628                 if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 629                                         NULL, 0)) {
 630                         return g_strconcat("file://", styles[i].style, NULL);
 631                 }
 632         }
 633         return g_strdup("");
 634 }
 635
 636 static void
 637 handleplumb(Client *c, WebKitWebView *w, const gchar *uri) {
 638         Arg arg;
 639
 640         webkit_web_view_stop_loading(w);
 641         arg = (Arg)PLUMB((char *)uri);
 642         spawn(c, &arg);
 643 }
 644
 645 static gboolean
 646 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 647         Arg arg;
 648
 649         updatewinid(c);
 650         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 651         spawn(c, &arg);
 652         return FALSE;
 653 }
 654
 655 static void
 656 inspector(Client *c, const Arg *arg) {
 657         if (c->isinspecting) {
 658                 webkit_web_inspector_close(c->inspector);
 659         } else {
 660                 webkit_web_inspector_show(c->inspector);
 661         }
 662 }
 663
 664 static WebKitWebView *
 665 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 666         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 667 }
 668
 669 static gboolean
 670 inspector_show(WebKitWebInspector *i, Client *c) {
 671         WebKitWebView *w;
 672
 673         if (c->isinspecting)
 674                 return false;
 675
 676         w = webkit_web_inspector_get_web_view(i);
 677         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 678         gtk_widget_show(GTK_WIDGET(w));
 679         c->isinspecting = true;
 680
 681         return true;
 682 }
 683
 684 static gboolean
 685 inspector_close(WebKitWebInspector *i, Client *c) {
 686         GtkWidget *w;
 687
 688         if (!c->isinspecting)
 689                 return false;
 690
 691         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 692         gtk_widget_hide(w);
 693         gtk_widget_destroy(w);
 694         c->isinspecting = false;
 695
 696         return true;
 697 }
 698
 699 static void
 700 inspector_finished(WebKitWebInspector *i, Client *c) {
 701         g_free(c->inspector);
 702 }
 703
 704 static gboolean
 705 keypress(GtkAccelGroup *group, GObject *obj,
 706                 guint key, GdkModifierType mods, Client *c) {
 707         guint i;
 708         gboolean processed = FALSE;
 709
 710         mods = CLEANMASK(mods);
 711         key = gdk_keyval_to_lower(key);
 712         updatewinid(c);
 713         for (i = 0; i < LENGTH(keys); i++) {
 714                 if (key == keys[i].keyval
 715                                 && mods == keys[i].mod
 716                                 && keys[i].func) {
 717                         keys[i].func(c, &(keys[i].arg));
 718                         processed = TRUE;
 719                 }
 720         }
 721
 722         return processed;
 723 }
 724
 725 static void
 726 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 727         if (l) {
 728                 c->linkhover = copystr(&c->linkhover, l);
 729         } else if (c->linkhover) {
 730                 free(c->linkhover);
 731                 c->linkhover = NULL;
 732         }
 733         updatetitle(c);
 734 }
 735
 736 static void
 737 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 738         WebKitWebFrame *frame;
 739         WebKitWebDataSource *src;
 740         WebKitNetworkRequest *request;
 741         WebKitWebSettings *set = webkit_web_view_get_settings(c->view);
 742         SoupMessage *msg;
 743         char *uri;
 744
 745         switch (webkit_web_view_get_load_status (c->view)) {
 746         case WEBKIT_LOAD_COMMITTED:
 747                 uri = geturi(c);
 748                 if (strstr(uri, "https://") == uri) {
 749                         frame = webkit_web_view_get_main_frame(c->view);
 750                         src = webkit_web_frame_get_data_source(frame);
 751                         request = webkit_web_data_source_get_request(src);
 752                         msg = webkit_network_request_get_message(request);
 753                         c->sslfailed = !(soup_message_get_flags(msg)
 754                                         & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 755                 }
 756                 setatom(c, AtomUri, uri);
 757
 758                 if (enablestyles) {
 759                         g_object_set(G_OBJECT(set), "user-stylesheet-uri",
 760                                         getstyle(uri), NULL);
 761                 }
 762                 break;
 763         case WEBKIT_LOAD_FINISHED:
 764                 c->progress = 100;
 765                 updatetitle(c);
 766                 if (diskcache) {
 767                         soup_cache_flush(diskcache);
 768                         soup_cache_dump(diskcache);
 769                 }
 770                 break;
 771         default:
 772                 break;
 773         }
 774 }
 775
 776 static void
 777 loaduri(Client *c, const Arg *arg) {
 778         char *u = NULL, *rp;
 779         const char *uri = (char *)arg->v;
 780         Arg a = { .b = FALSE };
 781         struct stat st;
 782
 783         if (strcmp(uri, "") == 0)
 784                 return;
 785
 786         /* In case it's a file path. */
 787         if (stat(uri, &st) == 0) {
 788                 rp = realpath(uri, NULL);
 789                 u = g_strdup_printf("file://%s", rp);
 790                 free(rp);
 791         } else {
 792                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 793                         : g_strdup_printf("http://%s", uri);
 794         }
 795
 796         setatom(c, AtomUri, uri);
 797
 798         /* prevents endless loop */
 799         if (strcmp(u, geturi(c)) == 0) {
 800                 reload(c, &a);
 801         } else {
 802                 webkit_web_view_load_uri(c->view, u);
 803                 c->progress = 0;
 804                 c->title = copystr(&c->title, u);
 805                 updatetitle(c);
 806         }
 807         g_free(u);
 808 }
 809
 810 static void
 811 navigate(Client *c, const Arg *arg) {
 812         int steps = *(int *)arg;
 813         webkit_web_view_go_back_or_forward(c->view, steps);
 814 }
 815
 816 static Client *
 817 newclient(void) {
 818         Client *c;
 819         WebKitWebSettings *settings;
 820         WebKitWebFrame *frame;
 821         GdkGeometry hints = { 1, 1 };
 822         GdkScreen *screen;
 823         gdouble dpi;
 824         char *ua;
 825
 826         if (!(c = calloc(1, sizeof(Client))))
 827                 die("Cannot malloc!\n");
 828
 829         c->title = NULL;
 830         c->progress = 100;
 831
 832         /* Window */
 833         if (embed) {
 834                 c->win = gtk_plug_new(embed);
 835         } else {
 836                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 837
 838                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 839                  * is always correct, so we should still call this function.
 840                  * But when doing so, we *must* differentiate between a
 841                  * WM_CLASS and a resource on the window.  By convention, the
 842                  * window class (WM_CLASS) is capped, while the resource is in
 843                  * lowercase.   Both these values come as a pair.
 844                  */
 845                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 846
 847                 /* TA:  20091214:  And set the role here as well -- so that
 848                  * sessions can pick this up.
 849                  */
 850                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 851         }
 852         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 853         g_signal_connect(G_OBJECT(c->win),
 854                         "destroy",
 855                         G_CALLBACK(destroywin), c);
 856         g_signal_connect(G_OBJECT(c->win),
 857                         "leave_notify_event",
 858                         G_CALLBACK(titlechangeleave), c);
 859
 860         if (!kioskmode)
 861                 addaccelgroup(c);
 862
 863         /* Pane */
 864         c->pane = gtk_vpaned_new();
 865
 866         /* VBox */
 867         c->vbox = gtk_vbox_new(FALSE, 0);
 868         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 869
 870         /* Webview */
 871         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 872
 873         g_signal_connect(G_OBJECT(c->view),
 874                         "notify::title",
 875                         G_CALLBACK(titlechange), c);
 876         g_signal_connect(G_OBJECT(c->view),
 877                         "hovering-over-link",
 878                         G_CALLBACK(linkhover), c);
 879         g_signal_connect(G_OBJECT(c->view),
 880                         "geolocation-policy-decision-requested",
 881                         G_CALLBACK(geopolicyrequested), c);
 882         g_signal_connect(G_OBJECT(c->view),
 883                         "create-web-view",
 884                         G_CALLBACK(createwindow), c);
 885         g_signal_connect(G_OBJECT(c->view),
 886                         "new-window-policy-decision-requested",
 887                         G_CALLBACK(decidewindow), c);
 888         g_signal_connect(G_OBJECT(c->view),
 889                         "mime-type-policy-decision-requested",
 890                         G_CALLBACK(decidedownload), c);
 891         g_signal_connect(G_OBJECT(c->view),
 892                         "window-object-cleared",
 893                         G_CALLBACK(windowobjectcleared), c);
 894         g_signal_connect(G_OBJECT(c->view),
 895                         "notify::load-status",
 896                         G_CALLBACK(loadstatuschange), c);
 897         g_signal_connect(G_OBJECT(c->view),
 898                         "notify::progress",
 899                         G_CALLBACK(progresschange), c);
 900         g_signal_connect(G_OBJECT(c->view),
 901                         "download-requested",
 902                         G_CALLBACK(initdownload), c);
 903         g_signal_connect(G_OBJECT(c->view),
 904                         "button-release-event",
 905                         G_CALLBACK(buttonrelease), c);
 906         g_signal_connect(G_OBJECT(c->view),
 907                         "context-menu",
 908                         G_CALLBACK(contextmenu), c);
 909         g_signal_connect(G_OBJECT(c->view),
 910                         "resource-request-starting",
 911                         G_CALLBACK(beforerequest), c);
 912         g_signal_connect(G_OBJECT(c->view),
 913                         "should-show-delete-interface-for-element",
 914                         G_CALLBACK(deletion_interface), c);
 915
 916         /* Scrolled Window */
 917         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 918
 919         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 920         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 921                         G_CALLBACK(gtk_true), NULL);
 922
 923         if (!enablescrollbars) {
 924                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 925                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 926         } else {
 927                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 928                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 929         }
 930
 931         /* Arranging */
 932         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 933         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 934         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 935
 936         /* Setup */
 937         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 938                         TRUE, 0, GTK_PACK_START);
 939         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 940         gtk_widget_show(c->pane);
 941         gtk_widget_show(c->vbox);
 942         gtk_widget_show(c->scroll);
 943         gtk_widget_show(GTK_WIDGET(c->view));
 944         gtk_widget_show(c->win);
 945         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 946                         GDK_HINT_MIN_SIZE);
 947         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 948         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 949         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 950
 951         runscript(frame);
 952
 953         settings = webkit_web_view_get_settings(c->view);
 954         if (!(ua = getenv("SURF_USERAGENT")))
 955                 ua = useragent;
 956         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 957         if (enablestyles) {
 958                 g_object_set(G_OBJECT(settings), "user-stylesheet-uri",
 959                              getstyle("about:blank"), NULL);
 960         }
 961         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 962                         NULL);
 963         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 964                         NULL);
 965         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 966                         NULL);
 967         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 968                         enablespatialbrowsing, NULL);
 969         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 970                         enableinspector, NULL);
 971         g_object_set(G_OBJECT(settings), "enable-default-context-menu",
 972                         kioskmode ^ 1, NULL);
 973         g_object_set(G_OBJECT(settings), "default-font-size",
 974                         defaultfontsize, NULL);
 975         g_object_set(G_OBJECT(settings), "resizable-text-areas",
 976                         1, NULL);
 977
 978         /*
 979          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 980          * This ensures websites are not unusably small with a high DPI screen.
 981          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 982          */
 983         if (zoomto96dpi) {
 984                 screen = gdk_window_get_screen(GTK_WIDGET(c->win)->window);
 985                 dpi = gdk_screen_get_resolution(screen);
 986                 if (dpi != -1) {
 987                         g_object_set(G_OBJECT(settings), "enforce-96-dpi", true,
 988                                         NULL);
 989                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 990                 }
 991         }
 992         /* This might conflict with _zoomto96dpi_. */
 993         if (zoomlevel != 1.0)
 994                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 995
 996         if (enableinspector) {
 997                 c->inspector = WEBKIT_WEB_INSPECTOR(
 998                                 webkit_web_view_get_inspector(c->view));
 999                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
1000                                 G_CALLBACK(inspector_new), c);
1001                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
1002                                 G_CALLBACK(inspector_show), c);
1003                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
1004                                 G_CALLBACK(inspector_close), c);
1005                 g_signal_connect(G_OBJECT(c->inspector), "finished",
1006                                 G_CALLBACK(inspector_finished), c);
1007                 c->isinspecting = false;
1008         }
1009
1010         if (runinfullscreen) {
1011                 c->fullscreen = 0;
1012                 fullscreen(c, NULL);
1013         }
1014
1015         setatom(c, AtomFind, "");
1016         setatom(c, AtomUri, "about:blank");
1017         if (hidebackground)
1018                 webkit_web_view_set_transparent(c->view, TRUE);
1019
1020         c->next = clients;
1021         clients = c;
1022
1023         if (showxid) {
1024                 gdk_display_sync(gtk_widget_get_display(c->win));
1025                 printf("%u\n",
1026                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1027                 fflush(NULL);
1028                 if (fclose(stdout) != 0) {
1029                         die("Error closing stdout");
1030                 }
1031         }
1032
1033         return c;
1034 }
1035
1036 static void
1037 newwindow(Client *c, const Arg *arg, gboolean noembed) {
1038         guint i = 0;
1039         const char *cmd[18], *uri;
1040         const Arg a = { .v = (void *)cmd };
1041         char tmp[64];
1042
1043         cmd[i++] = argv0;
1044         cmd[i++] = "-a";
1045         cmd[i++] = cookiepolicies;
1046         if (!enablescrollbars)
1047                 cmd[i++] = "-b";
1048         if (embed && !noembed) {
1049                 cmd[i++] = "-e";
1050                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1051                 cmd[i++] = tmp;
1052         }
1053         if (!allowgeolocation)
1054                 cmd[i++] = "-g";
1055         if (!loadimages)
1056                 cmd[i++] = "-i";
1057         if (kioskmode)
1058                 cmd[i++] = "-k";
1059         if (!enableplugins)
1060                 cmd[i++] = "-p";
1061         if (!enablescripts)
1062                 cmd[i++] = "-s";
1063         if (showxid)
1064                 cmd[i++] = "-x";
1065         if (enablediskcache)
1066                 cmd[i++] = "-D";
1067         cmd[i++] = "-c";
1068         cmd[i++] = cookiefile;
1069         cmd[i++] = "--";
1070         uri = arg->v ? (char *)arg->v : c->linkhover;
1071         if (uri)
1072                 cmd[i++] = uri;
1073         cmd[i++] = NULL;
1074         spawn(NULL, &a);
1075 }
1076
1077 static gboolean
1078 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1079                 gboolean keyboard, Client *c) {
1080         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1081
1082         for (GList *l = items; l; l = l->next) {
1083                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1084         }
1085
1086         g_list_free(items);
1087         return FALSE;
1088 }
1089
1090 static void
1091 menuactivate(GtkMenuItem *item, Client *c) {
1092         /*
1093          * context-menu-action-2000 open link
1094          * context-menu-action-1    open link in window
1095          * context-menu-action-2    download linked file
1096          * context-menu-action-3    copy link location
1097          * context-menu-action-7    copy image address
1098          * context-menu-action-13   reload
1099          * context-menu-action-10   back
1100          * context-menu-action-11   forward
1101          * context-menu-action-12   stop
1102          */
1103
1104         GtkAction *a = NULL;
1105         const char *name, *uri;
1106         GtkClipboard *prisel, *clpbrd;
1107
1108         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(item));
1109         if (a == NULL)
1110                 return;
1111
1112         name = gtk_action_get_name(a);
1113         if (!g_strcmp0(name, "context-menu-action-3")) {
1114                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1115                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1116         } else if (!g_strcmp0(name, "context-menu-action-7")) {
1117                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1118                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1119                 uri = gtk_clipboard_wait_for_text(clpbrd);
1120                 if (uri)
1121                         gtk_clipboard_set_text(prisel, uri, -1);
1122         }
1123 }
1124
1125 static void
1126 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
1127         Arg arg = {.v = text };
1128         if (text != NULL)
1129                 loaduri((Client *) d, &arg);
1130 }
1131
1132 static void
1133 print(Client *c, const Arg *arg) {
1134         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1135 }
1136
1137 static GdkFilterReturn
1138 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
1139         Client *c = (Client *)d;
1140         XPropertyEvent *ev;
1141         Arg arg;
1142
1143         if (((XEvent *)e)->type == PropertyNotify) {
1144                 ev = &((XEvent *)e)->xproperty;
1145                 if (ev->state == PropertyNewValue) {
1146                         if (ev->atom == atoms[AtomFind]) {
1147                                 arg.b = TRUE;
1148                                 find(c, &arg);
1149
1150                                 return GDK_FILTER_REMOVE;
1151                         } else if (ev->atom == atoms[AtomGo]) {
1152                                 arg.v = getatom(c, AtomGo);
1153                                 loaduri(c, &arg);
1154
1155                                 return GDK_FILTER_REMOVE;
1156                         }
1157                 }
1158         }
1159         return GDK_FILTER_CONTINUE;
1160 }
1161
1162 static void
1163 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1164         c->progress = webkit_web_view_get_progress(c->view) * 100;
1165         updatetitle(c);
1166 }
1167
1168 static void
1169 linkopen(Client *c, const Arg *arg) {
1170         newwindow(NULL, arg, 1);
1171 }
1172
1173 static void
1174 linkopenembed(Client *c, const Arg *arg) {
1175         newwindow(NULL, arg, 0);
1176 }
1177
1178 static void
1179 reload(Client *c, const Arg *arg) {
1180         gboolean nocache = *(gboolean *)arg;
1181         if (nocache) {
1182                 webkit_web_view_reload_bypass_cache(c->view);
1183         } else {
1184                 webkit_web_view_reload(c->view);
1185         }
1186 }
1187
1188 static void
1189 scroll_h(Client *c, const Arg *arg) {
1190         scroll(gtk_scrolled_window_get_hadjustment(
1191                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1192 }
1193
1194 static void
1195 scroll_v(Client *c, const Arg *arg) {
1196         scroll(gtk_scrolled_window_get_vadjustment(
1197                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1198 }
1199
1200 static void
1201 scroll(GtkAdjustment *a, const Arg *arg) {
1202         gdouble v;
1203
1204         v = gtk_adjustment_get_value(a);
1205         switch (arg->i) {
1206         case +10000:
1207         case -10000:
1208                 v += gtk_adjustment_get_page_increment(a) *
1209                         (arg->i / 10000);
1210                 break;
1211         case +20000:
1212         case -20000:
1213         default:
1214                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1215         }
1216
1217         v = MAX(v, 0.0);
1218         v = MIN(v, gtk_adjustment_get_upper(a) -
1219                         gtk_adjustment_get_page_size(a));
1220         gtk_adjustment_set_value(a, v);
1221 }
1222
1223 static void
1224 setatom(Client *c, int a, const char *v) {
1225         XSync(dpy, False);
1226         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
1227                         atoms[a], XA_STRING, 8, PropModeReplace,
1228                         (unsigned char *)v, strlen(v) + 1);
1229 }
1230
1231 static void
1232 setup(void) {
1233         int i;
1234         char *proxy;
1235         char *new_proxy;
1236         SoupURI *puri;
1237         SoupSession *s;
1238         GError *error = NULL;
1239
1240         /* clean up any zombies immediately */
1241         sigchld(0);
1242         gtk_init(NULL, NULL);
1243
1244         dpy = GDK_DISPLAY();
1245
1246         /* atoms */
1247         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1248         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1249         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1250
1251         /* dirs and files */
1252         cookiefile = buildfile(cookiefile);
1253         scriptfile = buildfile(scriptfile);
1254         cachefolder = buildpath(cachefolder);
1255         styledir = buildpath(styledir);
1256         if (stylefile == NULL) {
1257                 for (i = 0; i < LENGTH(styles); i++) {
1258                         if (regcomp(&(styles[i].re), styles[i].regex,
1259                                                 REG_EXTENDED)) {
1260                                 fprintf(stderr,
1261                                         "Could not compile regex: %s\n",
1262                                         styles[i].regex);
1263                                 styles[i].regex = NULL;
1264                         }
1265                         styles[i].style = buildfile(
1266                                         g_strconcat(styledir, "/",
1267                                                 styles[i].style, NULL));
1268                 }
1269         } else {
1270                 stylefile = buildfile(stylefile);
1271         }
1272
1273         /* request handler */
1274         s = webkit_get_default_session();
1275
1276         /* cookie jar */
1277         soup_session_add_feature(s,
1278                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile, FALSE,
1279                                         cookiepolicy_get())));
1280
1281         /* disk cache */
1282         if (enablediskcache) {
1283                 diskcache = soup_cache_new(cachefolder, SOUP_CACHE_SINGLE_USER);
1284                 soup_cache_set_max_size(diskcache, diskcachebytes);
1285                 soup_cache_load(diskcache);
1286                 soup_session_add_feature(s, SOUP_SESSION_FEATURE(diskcache));
1287         }
1288
1289         /* ssl */
1290         tlsdb = g_tls_file_database_new(cafile, &error);
1291
1292         if (error) {
1293                 g_warning("Error loading SSL database %s: %s", cafile, error->message);
1294                 g_error_free(error);
1295         }
1296         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1297         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1298
1299         /* proxy */
1300         if ((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
1301                 new_proxy = g_strrstr(proxy, "http://")
1302             || g_strrstr(proxy, "socks://")
1303             || g_strrstr(proxy, "socks4://")
1304             || g_strrstr(proxy, "socks5://")
1305             ? g_strdup(proxy)
1306             : g_strdup_printf("http://%s", proxy);
1307                 puri = soup_uri_new(new_proxy);
1308                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
1309                 soup_uri_free(puri);
1310                 g_free(new_proxy);
1311                 usingproxy = 1;
1312         }
1313 }
1314
1315 static void
1316 sigchld(int unused) {
1317         if (signal(SIGCHLD, sigchld) == SIG_ERR)
1318                 die("Can't install SIGCHLD handler");
1319         while (0 < waitpid(-1, NULL, WNOHANG));
1320 }
1321
1322 static void
1323 source(Client *c, const Arg *arg) {
1324         Arg a = { .b = FALSE };
1325         gboolean s;
1326
1327         s = webkit_web_view_get_view_source_mode(c->view);
1328         webkit_web_view_set_view_source_mode(c->view, !s);
1329         reload(c, &a);
1330 }
1331
1332 static void
1333 spawn(Client *c, const Arg *arg) {
1334         if (fork() == 0) {
1335                 if (dpy)
1336                         close(ConnectionNumber(dpy));
1337                 setsid();
1338                 execvp(((char **)arg->v)[0], (char **)arg->v);
1339                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1340                 perror(" failed");
1341                 exit(0);
1342         }
1343 }
1344
1345 static void
1346 eval(Client *c, const Arg *arg) {
1347         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1348         evalscript(webkit_web_frame_get_global_context(frame),
1349                         ((char **)arg->v)[0], "");
1350 }
1351
1352 static void
1353 stop(Client *c, const Arg *arg) {
1354         webkit_web_view_stop_loading(c->view);
1355 }
1356
1357 static void
1358 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1359         const gchar *t = webkit_web_view_get_title(view);
1360         if (t) {
1361                 c->title = copystr(&c->title, t);
1362                 updatetitle(c);
1363         }
1364 }
1365
1366 static void
1367 titlechangeleave(void *a, void *b, Client *c) {
1368         c->linkhover = NULL;
1369         updatetitle(c);
1370 }
1371
1372 static void
1373 toggle(Client *c, const Arg *arg) {
1374         WebKitWebSettings *settings;
1375         char *name = (char *)arg->v;
1376         gboolean value;
1377         Arg a = { .b = FALSE };
1378
1379         settings = webkit_web_view_get_settings(c->view);
1380         g_object_get(G_OBJECT(settings), name, &value, NULL);
1381         g_object_set(G_OBJECT(settings), name, !value, NULL);
1382
1383         reload(c, &a);
1384 }
1385
1386 static void
1387 togglecookiepolicy(Client *c, const Arg *arg) {
1388         SoupCookieJar *jar;
1389         SoupCookieJarAcceptPolicy policy;
1390
1391         jar = SOUP_COOKIE_JAR(
1392                         soup_session_get_feature(
1393                                 webkit_get_default_session(),
1394                                 SOUP_TYPE_COOKIE_JAR));
1395         g_object_get(G_OBJECT(jar), "accept-policy", &policy, NULL);
1396
1397         policysel++;
1398         if (policysel >= strlen(cookiepolicies))
1399                 policysel = 0;
1400
1401         g_object_set(G_OBJECT(jar), "accept-policy",
1402                         cookiepolicy_get(), NULL);
1403
1404         updatetitle(c);
1405         /* Do not reload. */
1406 }
1407
1408 static void
1409 togglegeolocation(Client *c, const Arg *arg) {
1410         Arg a = { .b = FALSE };
1411
1412         allowgeolocation ^= 1;
1413
1414         reload(c, &a);
1415 }
1416
1417 static void
1418 twitch(Client *c, const Arg *arg) {
1419         GtkAdjustment *a;
1420         gdouble v;
1421
1422         a = gtk_scrolled_window_get_vadjustment(
1423                         GTK_SCROLLED_WINDOW(c->scroll));
1424
1425         v = gtk_adjustment_get_value(a);
1426
1427         v += arg->i;
1428
1429         v = MAX(v, 0.0);
1430         v = MIN(v, gtk_adjustment_get_upper(a) -
1431                         gtk_adjustment_get_page_size(a));
1432         gtk_adjustment_set_value(a, v);
1433 }
1434
1435 static void
1436 togglescrollbars(Client *c, const Arg *arg) {
1437         GtkPolicyType vspolicy;
1438         Arg a;
1439
1440         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1441
1442         if (vspolicy == GTK_POLICY_AUTOMATIC) {
1443                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1444                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1445         } else {
1446                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1447                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1448                 a.i = +1;
1449                 twitch(c, &a);
1450                 a.i = -1;
1451                 twitch(c, &a);
1452         }
1453 }
1454
1455 static void
1456 togglestyle(Client *c, const Arg *arg) {
1457         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1458         char *uri;
1459
1460         enablestyles = !enablestyles;
1461         uri = enablestyles ? getstyle(geturi(c)) : g_strdup("");
1462         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1463
1464         updatetitle(c);
1465 }
1466
1467 static void
1468 gettogglestat(Client *c){
1469         gboolean value;
1470         int p = 0;
1471         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1472
1473         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1474
1475         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1476                         &value, NULL);
1477         togglestat[p++] = value? 'C': 'c';
1478
1479         togglestat[p++] = allowgeolocation? 'G': 'g';
1480
1481         togglestat[p++] = enablediskcache? 'D': 'd';
1482
1483         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1484         togglestat[p++] = value? 'I': 'i';
1485
1486         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1487         togglestat[p++] = value? 'S': 's';
1488
1489         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1490         togglestat[p++] = value? 'V': 'v';
1491
1492         togglestat[p++] = enablestyles ? 'M': 'm';
1493
1494         togglestat[p] = '\0';
1495 }
1496
1497 static void
1498 getpagestat(Client *c) {
1499         const char *uri = geturi(c);
1500
1501         if (strstr(uri, "https://") == uri) {
1502                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1503         } else {
1504                 pagestat[0] = '-';
1505         }
1506
1507         pagestat[1] = usingproxy ? 'P' : '-';
1508         pagestat[2] = '\0';
1509
1510 }
1511
1512 static void
1513 updatetitle(Client *c) {
1514         char *t;
1515
1516         if (showindicators) {
1517                 gettogglestat(c);
1518                 getpagestat(c);
1519
1520                 if (c->linkhover) {
1521                         t = g_strdup_printf("%s:%s | %s", togglestat,
1522                                         pagestat, c->linkhover);
1523                 } else if (c->progress != 100) {
1524                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1525                                         togglestat, pagestat,
1526                                         (c->title == NULL)? "" : c->title);
1527                 } else {
1528                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1529                                         (c->title == NULL)? "" : c->title);
1530                 }
1531
1532                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1533                 g_free(t);
1534         } else {
1535                 gtk_window_set_title(GTK_WINDOW(c->win),
1536                                 (c->title == NULL)? "" : c->title);
1537         }
1538 }
1539
1540 static void
1541 updatewinid(Client *c) {
1542         snprintf(winid, LENGTH(winid), "%u",
1543                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1544 }
1545
1546 static void
1547 usage(void) {
1548         die("usage: %s [-bBfFgGiIkKnNpPsSvx]"
1549                 " [-a cookiepolicies ] "
1550                 " [-c cookiefile] [-e xid] [-r scriptfile]"
1551                 " [-t stylefile] [-u useragent] [-z zoomlevel]"
1552                 " [uri]\n", basename(argv0));
1553 }
1554
1555 static void
1556 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1557                 JSObjectRef win, Client *c) {
1558         runscript(frame);
1559 }
1560
1561 static void
1562 zoom(Client *c, const Arg *arg) {
1563         c->zoomed = TRUE;
1564         if (arg->i < 0) {
1565                 /* zoom out */
1566                 webkit_web_view_zoom_out(c->view);
1567         } else if (arg->i > 0) {
1568                 /* zoom in */
1569                 webkit_web_view_zoom_in(c->view);
1570         } else {
1571                 /* reset */
1572                 c->zoomed = FALSE;
1573                 webkit_web_view_set_zoom_level(c->view, 1.0);
1574         }
1575 }
1576
1577 int
1578 main(int argc, char *argv[]) {
1579         Arg arg;
1580         Client *c;
1581
1582         memset(&arg, 0, sizeof(arg));
1583
1584         /* command line args */
1585         ARGBEGIN {
1586         case 'a':
1587                 cookiepolicies = EARGF(usage());
1588                 break;
1589         case 'b':
1590                 enablescrollbars = 0;
1591                 break;
1592         case 'B':
1593                 enablescrollbars = 1;
1594                 break;
1595         case 'c':
1596                 cookiefile = EARGF(usage());
1597                 break;
1598         case 'd':
1599                 enablediskcache = 0;
1600                 break;
1601         case 'D':
1602                 enablediskcache = 1;
1603                 break;
1604         case 'e':
1605                 embed = strtol(EARGF(usage()), NULL, 0);
1606                 break;
1607         case 'f':
1608                 runinfullscreen = 1;
1609                 break;
1610         case 'F':
1611                 runinfullscreen = 0;
1612                 break;
1613         case 'g':
1614                 allowgeolocation = 0;
1615                 break;
1616         case 'G':
1617                 allowgeolocation = 1;
1618                 break;
1619         case 'i':
1620                 loadimages = 0;
1621                 break;
1622         case 'I':
1623                 loadimages = 1;
1624                 break;
1625         case 'k':
1626                 kioskmode = 0;
1627                 break;
1628         case 'K':
1629                 kioskmode = 1;
1630                 break;
1631         case 'm':
1632                 enablestyles = 0;
1633                 break;
1634         case 'M':
1635                 enablestyles = 1;
1636                 break;
1637         case 'n':
1638                 enableinspector = 0;
1639                 break;
1640         case 'N':
1641                 enableinspector = 1;
1642                 break;
1643         case 'p':
1644                 enableplugins = 0;
1645                 break;
1646         case 'P':
1647                 enableplugins = 1;
1648                 break;
1649         case 'r':
1650                 scriptfile = EARGF(usage());
1651                 break;
1652         case 's':
1653                 enablescripts = 0;
1654                 break;
1655         case 'S':
1656                 enablescripts = 1;
1657                 break;
1658         case 't':
1659                 stylefile = EARGF(usage());
1660                 break;
1661         case 'u':
1662                 useragent = EARGF(usage());
1663                 break;
1664         case 'v':
1665                 die("surf-"VERSION", ©2009-2014 surf engineers, "
1666                                 "see LICENSE for details\n");
1667         case 'x':
1668                 showxid = TRUE;
1669                 break;
1670         case 'z':
1671                 zoomlevel = strtof(EARGF(usage()), NULL);
1672                 break;
1673         default:
1674                 usage();
1675         } ARGEND;
1676         if (argc > 0)
1677                 arg.v = argv[0];
1678
1679         setup();
1680         c = newclient();
1681         if (arg.v) {
1682                 loaduri(clients, &arg);
1683         } else {
1684                 updatetitle(c);
1685         }
1686
1687         gtk_main();
1688         cleanup();
1689
1690         return EXIT_SUCCESS;
1691 }
1692