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