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