surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5
   6 #include <signal.h>
   7 #include <X11/X.h>
   8 #include <X11/Xatom.h>
   9 #include <gtk/gtk.h>
  10 #include <gdk/gdkx.h>
  11 #include <gdk/gdk.h>
  12 #include <gdk/gdkkeysyms.h>
  13 #include <string.h>
  14 #include <sys/types.h>
  15 #include <sys/wait.h>
  16 #include <unistd.h>
  17 #include <limits.h>
  18 #include <stdlib.h>
  19 #include <stdio.h>
  20 #include <webkit/webkit.h>
  21 #include <glib/gstdio.h>
  22 #include <JavaScriptCore/JavaScript.h>
  23 #include <sys/file.h>
  24 #include <libgen.h>
  25 #include <stdarg.h>
  26 #include <regex.h>
  27 #include <pwd.h>
  28 #include <string.h>
  29
  30 #include "arg.h"
  31
  32 char *argv0;
  33
  34 #define LENGTH(x)               (sizeof x / sizeof x[0])
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36 #define COOKIEJAR_TYPE          (cookiejar_get_type ())
  37 #define COOKIEJAR(obj)          (G_TYPE_CHECK_INSTANCE_CAST ((obj), COOKIEJAR_TYPE, CookieJar))
  38
  39 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  40 enum {
  41         ClkDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  42         ClkLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  43         ClkImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  44         ClkMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  45         ClkSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  46         ClkEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  47         ClkAny   = ClkDoc | ClkLink | ClkImg | ClkMedia | ClkSel | ClkEdit,
  48 };
  49
  50 typedef union Arg Arg;
  51 union Arg {
  52         gboolean b;
  53         gint i;
  54         const void *v;
  55 };
  56
  57 typedef struct Client {
  58         GtkWidget *win, *scroll, *vbox, *pane;
  59         WebKitWebView *view;
  60         WebKitWebInspector *inspector;
  61         char *title, *linkhover;
  62         const char *needle;
  63         gint progress;
  64         struct Client *next;
  65         gboolean zoomed, fullscreen, isinspecting, sslfailed;
  66 } Client;
  67
  68 typedef struct {
  69         guint mod;
  70         guint keyval;
  71         void (*func)(Client *c, const Arg *arg);
  72         const Arg arg;
  73 } Key;
  74
  75 typedef struct {
  76         unsigned int click;
  77         unsigned int mask;
  78         guint button;
  79         void (*func)(Client *c, const Arg *arg);
  80         const Arg arg;
  81 } Button;
  82
  83 typedef struct {
  84         SoupCookieJarText parent_instance;
  85         int lock;
  86 } CookieJar;
  87
  88 typedef struct {
  89         SoupCookieJarTextClass parent_class;
  90 } CookieJarClass;
  91
  92 G_DEFINE_TYPE(CookieJar, cookiejar, SOUP_TYPE_COOKIE_JAR_TEXT)
  93
  94 typedef struct {
  95         char *regex;
  96         char *style;
  97         regex_t re;
  98 } SiteStyle;
  99
 100 static Display *dpy;
 101 static Atom atoms[AtomLast];
 102 static Client *clients = NULL;
 103 static GdkNativeWindow embed = 0;
 104 static gboolean showxid = FALSE;
 105 static char winid[64];
 106 static gboolean usingproxy = 0;
 107 static char togglestat[9];
 108 static char pagestat[3];
 109 static GTlsDatabase *tlsdb;
 110 static int policysel = 0;
 111 static char *stylefile = NULL;
 112 static SoupCache *diskcache = NULL;
 113
 114 static void addaccelgroup(Client *c);
 115 static void beforerequest(WebKitWebView *w, WebKitWebFrame *f,
 116                 WebKitWebResource *r, WebKitNetworkRequest *req,
 117                 WebKitNetworkResponse *resp, Client *c);
 118 static char *buildfile(const char *path);
 119 static char *buildpath(const char *path);
 120 static gboolean buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c);
 121 static void cleanup(void);
 122 static void clipboard(Client *c, const Arg *arg);
 123
 124 /* Cookiejar implementation */
 125 static void cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 126                 SoupCookie *new_cookie);
 127 static void cookiejar_finalize(GObject *self);
 128 static SoupCookieJarAcceptPolicy cookiepolicy_get(void);
 129 static SoupCookieJar *cookiejar_new(const char *filename, gboolean read_only,
 130                 SoupCookieJarAcceptPolicy policy);
 131 static void cookiejar_set_property(GObject *self, guint prop_id,
 132                 const GValue *value, GParamSpec *pspec);
 133 static char cookiepolicy_set(const SoupCookieJarAcceptPolicy p);
 134
 135 static char *copystr(char **str, const char *src);
 136 static WebKitWebView *createwindow(WebKitWebView *v, WebKitWebFrame *f,
 137                 Client *c);
 138 static gboolean decidedownload(WebKitWebView *v, WebKitWebFrame *f,
 139                 WebKitNetworkRequest *r, gchar *m,  WebKitWebPolicyDecision *p,
 140                 Client *c);
 141 static gboolean decidewindow(WebKitWebView *v, WebKitWebFrame *f,
 142                 WebKitNetworkRequest *r, WebKitWebNavigationAction *n,
 143                 WebKitWebPolicyDecision *p, Client *c);
 144 static gboolean deletion_interface(WebKitWebView *view,
 145                 WebKitDOMHTMLElement *arg1, Client *c);
 146 static void destroyclient(Client *c);
 147 static void destroywin(GtkWidget* w, Client *c);
 148 static void die(const char *errstr, ...);
 149 static void eval(Client *c, const Arg *arg);
 150 static void find(Client *c, const Arg *arg);
 151 static void fullscreen(Client *c, const Arg *arg);
 152 static void geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 153                 WebKitGeolocationPolicyDecision *d, Client *c);
 154 static const char *getatom(Client *c, int a);
 155 static void gettogglestat(Client *c);
 156 static void getpagestat(Client *c);
 157 static char *geturi(Client *c);
 158 static gchar *getstyle(const char *uri);
 159
 160 static void handleplumb(Client *c, WebKitWebView *w, const gchar *uri);
 161
 162 static gboolean initdownload(WebKitWebView *v, WebKitDownload *o, Client *c);
 163
 164 static void inspector(Client *c, const Arg *arg);
 165 static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
 166                 Client *c);
 167 static gboolean inspector_show(WebKitWebInspector *i, Client *c);
 168 static gboolean inspector_close(WebKitWebInspector *i, Client *c);
 169 static void inspector_finished(WebKitWebInspector *i, Client *c);
 170
 171 static gboolean keypress(GtkAccelGroup *group,
 172                 GObject *obj, guint key, GdkModifierType mods,
 173                 Client *c);
 174 static void linkhover(WebKitWebView *v, const char* t, const char* l,
 175                 Client *c);
 176 static void loadstatuschange(WebKitWebView *view, GParamSpec *pspec,
 177                 Client *c);
 178 static void loaduri(Client *c, const Arg *arg);
 179 static void navigate(Client *c, const Arg *arg);
 180 static Client *newclient(void);
 181 static void newwindow(Client *c, const Arg *arg, gboolean noembed);
 182 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 183 static gboolean contextmenu(WebKitWebView *view, GtkWidget *menu,
 184                 WebKitHitTestResult *target, gboolean keyboard, Client *c);
 185 static void menuactivate(GtkMenuItem *item, Client *c);
 186 static void print(Client *c, const Arg *arg);
 187 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 188                 gpointer d);
 189 static void progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 190 static void linkopen(Client *c, const Arg *arg);
 191 static void linkopenembed(Client *c, const Arg *arg);
 192 static void reload(Client *c, const Arg *arg);
 193 static void scroll_h(Client *c, const Arg *arg);
 194 static void scroll_v(Client *c, const Arg *arg);
 195 static void scroll(GtkAdjustment *a, const Arg *arg);
 196 static void setatom(Client *c, int a, const char *v);
 197 static void setup(void);
 198 static void sigchld(int unused);
 199 static void source(Client *c, const Arg *arg);
 200 static void spawn(Client *c, const Arg *arg);
 201 static void stop(Client *c, const Arg *arg);
 202 static void titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c);
 203 static void titlechangeleave(void *a, void *b, Client *c);
 204 static void toggle(Client *c, const Arg *arg);
 205 static void togglecookiepolicy(Client *c, const Arg *arg);
 206 static void togglegeolocation(Client *c, const Arg *arg);
 207 static void togglescrollbars(Client *c, const Arg *arg);
 208 static void togglestyle(Client *c, const Arg *arg);
 209 static void updatetitle(Client *c);
 210 static void updatewinid(Client *c);
 211 static void usage(void);
 212 static void windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame,
 213                 JSContextRef js, JSObjectRef win, Client *c);
 214 static void zoom(Client *c, const Arg *arg);
 215
 216 /* configuration, allows nested code to access above variables */
 217 #include "config.h"
 218
 219 static void
 220 addaccelgroup(Client *c) {
 221         int i;
 222         GtkAccelGroup *group = gtk_accel_group_new();
 223         GClosure *closure;
 224
 225         for(i = 0; i < LENGTH(keys); i++) {
 226                 closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
 227                 gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod,
 228                                 0, closure);
 229         }
 230         gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
 231 }
 232
 233 static void
 234 beforerequest(WebKitWebView *w, WebKitWebFrame *f, WebKitWebResource *r,
 235                 WebKitNetworkRequest *req, WebKitNetworkResponse *resp,
 236                 Client *c) {
 237         const gchar *uri = webkit_network_request_get_uri(req);
 238         int i, isascii = 1;
 239
 240         if(g_str_has_suffix(uri, "/favicon.ico"))
 241                 webkit_network_request_set_uri(req, "about:blank");
 242
 243         if(!g_str_has_prefix(uri, "http://") \
 244                         && !g_str_has_prefix(uri, "https://") \
 245                         && !g_str_has_prefix(uri, "about:") \
 246                         && !g_str_has_prefix(uri, "file://") \
 247                         && !g_str_has_prefix(uri, "data:") \
 248                         && !g_str_has_prefix(uri, "blob:") \
 249                         && strlen(uri) > 0) {
 250
 251                 for(i = 0; i < strlen(uri); i++) {
 252                         if(!g_ascii_isprint(uri[i])) {
 253                                 isascii = 0;
 254                                 break;
 255                         }
 256                 }
 257                 if(isascii)
 258                         handleplumb(c, w, uri);
 259         }
 260 }
 261
 262 static char *
 263 buildfile(const char *path) {
 264         char *dname, *bname, *bpath, *fpath;
 265         FILE *f;
 266
 267         dname = g_path_get_dirname(path);
 268         bname = g_path_get_basename(path);
 269
 270         bpath = buildpath(dname);
 271         g_free(dname);
 272
 273         fpath = g_build_filename(bpath, bname, NULL);
 274         g_free(bname);
 275
 276
 277         if(!(f = fopen(fpath, "a")))
 278                 die("Could not open file: %s\n", fpath);
 279
 280         g_chmod(fpath, 0600); /* always */
 281         fclose(f);
 282
 283         return fpath;
 284 }
 285
 286 static char *
 287 buildpath(const char *path) {
 288         struct passwd *pw;
 289         char *apath, *name, *p, *fpath;
 290
 291         if(path[0] == '~') {
 292                 if(path[1] == '/' || path[1] == '\0') {
 293                         p = (char *)&path[1];
 294                         pw = getpwuid(getuid());
 295                 } else {
 296                         if((p = strchr(path, '/')))
 297                                 name = g_strndup(&path[1], --p - path);
 298                         else
 299                                 name = g_strdup(&path[1]);
 300
 301                         if(!(pw = getpwnam(name))) {
 302                                 die("Can't get user %s home directory: %s.\n",
 303                                                 name, path);
 304                         }
 305                         g_free(name);
 306                 }
 307                 apath = g_build_filename(pw->pw_dir, p, NULL);
 308         } else {
 309                 apath = g_strdup(path);
 310         }
 311
 312         /* creating directory */
 313         if (g_mkdir_with_parents(apath, 0700) < 0)
 314                 die("Could not access directory: %s\n", apath);
 315
 316         fpath = realpath(apath, NULL);
 317         g_free(apath);
 318
 319         return fpath;
 320 }
 321
 322 static gboolean
 323 buttonrelease(WebKitWebView *web, GdkEventButton *e, Client *c) {
 324         WebKitHitTestResultContext context;
 325         WebKitHitTestResult *result = webkit_web_view_get_hit_test_result(web,
 326                         e);
 327         Arg arg;
 328         unsigned int i;
 329
 330         g_object_get(result, "context", &context, NULL);
 331         g_object_get(result, "link-uri", &arg.v, NULL);
 332         for(i = 0; i < LENGTH(buttons); i++) {
 333                 if(context & buttons[i].click && e->button == buttons[i].button &&
 334                 CLEANMASK(e->state) == CLEANMASK(buttons[i].mask) && buttons[i].func) {
 335                         buttons[i].func(c, buttons[i].click == ClkLink && buttons[i].arg.i == 0 ? &arg : &buttons[i].arg);
 336                         return true;
 337                 }
 338         }
 339         return false;
 340 }
 341
 342 static void
 343 cleanup(void) {
 344         if(diskcache) {
 345                 soup_cache_flush(diskcache);
 346                 soup_cache_dump(diskcache);
 347         }
 348         while(clients)
 349                 destroyclient(clients);
 350         g_free(cookiefile);
 351         g_free(scriptfile);
 352         g_free(stylefile);
 353 }
 354
 355 static void
 356 cookiejar_changed(SoupCookieJar *self, SoupCookie *old_cookie,
 357                 SoupCookie *new_cookie) {
 358         flock(COOKIEJAR(self)->lock, LOCK_EX);
 359         if(new_cookie && !new_cookie->expires && sessiontime) {
 360                 soup_cookie_set_expires(new_cookie,
 361                                 soup_date_new_from_now(sessiontime));
 362         }
 363         SOUP_COOKIE_JAR_CLASS(cookiejar_parent_class)->changed(self,
 364                         old_cookie, new_cookie);
 365         flock(COOKIEJAR(self)->lock, LOCK_UN);
 366 }
 367
 368 static void
 369 cookiejar_class_init(CookieJarClass *klass) {
 370         SOUP_COOKIE_JAR_CLASS(klass)->changed = cookiejar_changed;
 371         G_OBJECT_CLASS(klass)->get_property =
 372                 G_OBJECT_CLASS(cookiejar_parent_class)->get_property;
 373         G_OBJECT_CLASS(klass)->set_property = cookiejar_set_property;
 374         G_OBJECT_CLASS(klass)->finalize = cookiejar_finalize;
 375         g_object_class_override_property(G_OBJECT_CLASS(klass), 1, "filename");
 376 }
 377
 378 static void
 379 cookiejar_finalize(GObject *self) {
 380         close(COOKIEJAR(self)->lock);
 381         G_OBJECT_CLASS(cookiejar_parent_class)->finalize(self);
 382 }
 383
 384 static void
 385 cookiejar_init(CookieJar *self) {
 386         self->lock = open(cookiefile, 0);
 387 }
 388
 389 static SoupCookieJar *
 390 cookiejar_new(const char *filename, gboolean read_only,
 391                 SoupCookieJarAcceptPolicy policy) {
 392         return g_object_new(COOKIEJAR_TYPE,
 393                             SOUP_COOKIE_JAR_TEXT_FILENAME, filename,
 394                             SOUP_COOKIE_JAR_READ_ONLY, read_only,
 395                             SOUP_COOKIE_JAR_ACCEPT_POLICY, policy, NULL);
 396 }
 397
 398 static void
 399 cookiejar_set_property(GObject *self, guint prop_id, const GValue *value,
 400                 GParamSpec *pspec) {
 401         flock(COOKIEJAR(self)->lock, LOCK_SH);
 402         G_OBJECT_CLASS(cookiejar_parent_class)->set_property(self, prop_id,
 403                         value, pspec);
 404         flock(COOKIEJAR(self)->lock, LOCK_UN);
 405 }
 406
 407 static SoupCookieJarAcceptPolicy
 408 cookiepolicy_get(void) {
 409         switch(cookiepolicies[policysel]) {
 410         case 'a':
 411                 return SOUP_COOKIE_JAR_ACCEPT_NEVER;
 412         case '@':
 413                 return SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY;
 414         case 'A':
 415         default:
 416                 break;
 417         }
 418
 419         return SOUP_COOKIE_JAR_ACCEPT_ALWAYS;
 420 }
 421
 422 static char
 423 cookiepolicy_set(const SoupCookieJarAcceptPolicy ep) {
 424         switch(ep) {
 425         case SOUP_COOKIE_JAR_ACCEPT_NEVER:
 426                 return 'a';
 427         case SOUP_COOKIE_JAR_ACCEPT_NO_THIRD_PARTY:
 428                 return '@';
 429         case SOUP_COOKIE_JAR_ACCEPT_ALWAYS:
 430         default:
 431                 break;
 432         }
 433
 434         return 'A';
 435 }
 436
 437 static void
 438 evalscript(JSContextRef js, char *script, char* scriptname) {
 439         JSStringRef jsscript, jsscriptname;
 440         JSValueRef exception = NULL;
 441
 442         jsscript = JSStringCreateWithUTF8CString(script);
 443         jsscriptname = JSStringCreateWithUTF8CString(scriptname);
 444         JSEvaluateScript(js, jsscript, JSContextGetGlobalObject(js),
 445                         jsscriptname, 0, &exception);
 446         JSStringRelease(jsscript);
 447         JSStringRelease(jsscriptname);
 448 }
 449
 450 static void
 451 runscript(WebKitWebFrame *frame) {
 452         char *script;
 453         GError *error;
 454
 455         if(g_file_get_contents(scriptfile, &script, NULL, &error)) {
 456                 evalscript(webkit_web_frame_get_global_context(frame),
 457                                 script, scriptfile);
 458         }
 459 }
 460
 461 static void
 462 clipboard(Client *c, const Arg *arg) {
 463         gboolean paste = *(gboolean *)arg;
 464
 465         if(paste) {
 466                 gtk_clipboard_request_text(
 467                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 468                                 pasteuri, c);
 469         } else {
 470                 gtk_clipboard_set_text(
 471                                 gtk_clipboard_get(GDK_SELECTION_PRIMARY),
 472                                 c->linkhover ? c->linkhover : geturi(c), -1);
 473         }
 474 }
 475
 476 static char *
 477 copystr(char **str, const char *src) {
 478         char *tmp;
 479         tmp = g_strdup(src);
 480
 481         if(str && *str) {
 482                 g_free(*str);
 483                 *str = tmp;
 484         }
 485         return tmp;
 486 }
 487
 488 static WebKitWebView *
 489 createwindow(WebKitWebView  *v, WebKitWebFrame *f, Client *c) {
 490         Client *n = newclient();
 491         return n->view;
 492 }
 493
 494 static gboolean
 495 decidedownload(WebKitWebView *v, WebKitWebFrame *f, WebKitNetworkRequest *r,
 496                 gchar *m,  WebKitWebPolicyDecision *p, Client *c) {
 497         if(!webkit_web_view_can_show_mime_type(v, m)) {
 498                 webkit_web_policy_decision_download(p);
 499                 return TRUE;
 500         }
 501         return FALSE;
 502 }
 503
 504 static gboolean
 505 decidewindow(WebKitWebView *view, WebKitWebFrame *f, WebKitNetworkRequest *r,
 506                 WebKitWebNavigationAction *n, WebKitWebPolicyDecision *p,
 507                 Client *c) {
 508         Arg arg;
 509
 510         if(webkit_web_navigation_action_get_reason(n) ==
 511                         WEBKIT_WEB_NAVIGATION_REASON_LINK_CLICKED) {
 512                 webkit_web_policy_decision_ignore(p);
 513                 arg.v = (void *)webkit_network_request_get_uri(r);
 514                 newwindow(NULL, &arg, 0);
 515                 return TRUE;
 516         }
 517         return FALSE;
 518 }
 519
 520 static gboolean
 521 deletion_interface(WebKitWebView *view,
 522                 WebKitDOMHTMLElement *arg1, Client *c) {
 523         return FALSE;
 524 }
 525
 526 static void
 527 destroyclient(Client *c) {
 528         Client *p;
 529
 530         webkit_web_view_stop_loading(c->view);
 531         gtk_widget_destroy(GTK_WIDGET(c->view));
 532         gtk_widget_destroy(c->scroll);
 533         gtk_widget_destroy(c->vbox);
 534         gtk_widget_destroy(c->win);
 535
 536         for(p = clients; p && p->next != c; p = p->next);
 537         if(p) {
 538                 p->next = c->next;
 539         } else {
 540                 clients = c->next;
 541         }
 542         free(c);
 543         if(clients == NULL)
 544                 gtk_main_quit();
 545 }
 546
 547 static void
 548 destroywin(GtkWidget* w, Client *c) {
 549         destroyclient(c);
 550 }
 551
 552 static void
 553 die(const char *errstr, ...) {
 554         va_list ap;
 555
 556         va_start(ap, errstr);
 557         vfprintf(stderr, errstr, ap);
 558         va_end(ap);
 559         exit(EXIT_FAILURE);
 560 }
 561
 562 static void
 563 find(Client *c, const Arg *arg) {
 564         const char *s;
 565
 566         s = getatom(c, AtomFind);
 567         gboolean forward = *(gboolean *)arg;
 568         webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
 569 }
 570
 571 static void
 572 fullscreen(Client *c, const Arg *arg) {
 573         if(c->fullscreen) {
 574                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
 575         } else {
 576                 gtk_window_fullscreen(GTK_WINDOW(c->win));
 577         }
 578         c->fullscreen = !c->fullscreen;
 579 }
 580
 581 static void
 582 geopolicyrequested(WebKitWebView *v, WebKitWebFrame *f,
 583                 WebKitGeolocationPolicyDecision *d, Client *c) {
 584         if(allowgeolocation) {
 585                 webkit_geolocation_policy_allow(d);
 586         } else {
 587                 webkit_geolocation_policy_deny(d);
 588         }
 589 }
 590
 591 static const char *
 592 getatom(Client *c, int a) {
 593         static char buf[BUFSIZ];
 594         Atom adummy;
 595         int idummy;
 596         unsigned long ldummy;
 597         unsigned char *p = NULL;
 598
 599         XGetWindowProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
 600                         atoms[a], 0L, BUFSIZ, False, XA_STRING,
 601                         &adummy, &idummy, &ldummy, &ldummy, &p);
 602         if(p) {
 603                 strncpy(buf, (char *)p, LENGTH(buf)-1);
 604         } else {
 605                 buf[0] = '\0';
 606         }
 607         XFree(p);
 608
 609         return buf;
 610 }
 611
 612 static char *
 613 geturi(Client *c) {
 614         char *uri;
 615
 616         if(!(uri = (char *)webkit_web_view_get_uri(c->view)))
 617                 uri = "about:blank";
 618         return uri;
 619 }
 620
 621 static gchar *
 622 getstyle(const char *uri) {
 623         int i;
 624
 625         if(stylefile != NULL)
 626                 return g_strconcat("file://", stylefile, NULL);
 627
 628         for(i = 0; i < LENGTH(styles); i++) {
 629                 if(styles[i].regex && !regexec(&(styles[i].re), uri, 0,
 630                                         NULL, 0)) {
 631                         return g_strconcat("file://", styles[i].style, NULL);
 632                 }
 633         }
 634         return g_strdup("");
 635 }
 636
 637 static void
 638 handleplumb(Client *c, WebKitWebView *w, const gchar *uri) {
 639         Arg arg;
 640
 641         webkit_web_view_stop_loading(w);
 642         arg = (Arg)PLUMB((char *)uri);
 643         spawn(c, &arg);
 644 }
 645
 646 static gboolean
 647 initdownload(WebKitWebView *view, WebKitDownload *o, Client *c) {
 648         Arg arg;
 649
 650         updatewinid(c);
 651         arg = (Arg)DOWNLOAD((char *)webkit_download_get_uri(o), geturi(c));
 652         spawn(c, &arg);
 653         return FALSE;
 654 }
 655
 656 static void
 657 inspector(Client *c, const Arg *arg) {
 658         if(c->isinspecting) {
 659                 webkit_web_inspector_close(c->inspector);
 660         } else {
 661                 webkit_web_inspector_show(c->inspector);
 662         }
 663 }
 664
 665 static WebKitWebView *
 666 inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c) {
 667         return WEBKIT_WEB_VIEW(webkit_web_view_new());
 668 }
 669
 670 static gboolean
 671 inspector_show(WebKitWebInspector *i, Client *c) {
 672         WebKitWebView *w;
 673
 674         if(c->isinspecting)
 675                 return false;
 676
 677         w = webkit_web_inspector_get_web_view(i);
 678         gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
 679         gtk_widget_show(GTK_WIDGET(w));
 680         c->isinspecting = true;
 681
 682         return true;
 683 }
 684
 685 static gboolean
 686 inspector_close(WebKitWebInspector *i, Client *c) {
 687         GtkWidget *w;
 688
 689         if(!c->isinspecting)
 690                 return false;
 691
 692         w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
 693         gtk_widget_hide(w);
 694         gtk_widget_destroy(w);
 695         c->isinspecting = false;
 696
 697         return true;
 698 }
 699
 700 static void
 701 inspector_finished(WebKitWebInspector *i, Client *c) {
 702         g_free(c->inspector);
 703 }
 704
 705 static gboolean
 706 keypress(GtkAccelGroup *group, GObject *obj,
 707                 guint key, GdkModifierType mods, Client *c) {
 708         guint i;
 709         gboolean processed = FALSE;
 710
 711         mods = CLEANMASK(mods);
 712         key = gdk_keyval_to_lower(key);
 713         updatewinid(c);
 714         for(i = 0; i < LENGTH(keys); i++) {
 715                 if(key == keys[i].keyval
 716                                 && mods == keys[i].mod
 717                                 && keys[i].func) {
 718                         keys[i].func(c, &(keys[i].arg));
 719                         processed = TRUE;
 720                 }
 721         }
 722
 723         return processed;
 724 }
 725
 726 static void
 727 linkhover(WebKitWebView *v, const char* t, const char* l, Client *c) {
 728         if(l) {
 729                 c->linkhover = copystr(&c->linkhover, l);
 730         } else if(c->linkhover) {
 731                 free(c->linkhover);
 732                 c->linkhover = NULL;
 733         }
 734         updatetitle(c);
 735 }
 736
 737 static void
 738 loadstatuschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
 739         WebKitWebFrame *frame;
 740         WebKitWebDataSource *src;
 741         WebKitNetworkRequest *request;
 742         WebKitWebSettings *set = webkit_web_view_get_settings(c->view);
 743         SoupMessage *msg;
 744         char *uri;
 745
 746         switch(webkit_web_view_get_load_status (c->view)) {
 747         case WEBKIT_LOAD_COMMITTED:
 748                 uri = geturi(c);
 749                 if(strstr(uri, "https://") == uri) {
 750                         frame = webkit_web_view_get_main_frame(c->view);
 751                         src = webkit_web_frame_get_data_source(frame);
 752                         request = webkit_web_data_source_get_request(src);
 753                         msg = webkit_network_request_get_message(request);
 754                         c->sslfailed = !(soup_message_get_flags(msg)
 755                                         & SOUP_MESSAGE_CERTIFICATE_TRUSTED);
 756                 }
 757                 setatom(c, AtomUri, uri);
 758
 759                 if(enablestyles) {
 760                         g_object_set(G_OBJECT(set), "user-stylesheet-uri",
 761                                         getstyle(uri), NULL);
 762                 }
 763                 break;
 764         case WEBKIT_LOAD_FINISHED:
 765                 c->progress = 100;
 766                 updatetitle(c);
 767                 if(diskcache) {
 768                         soup_cache_flush(diskcache);
 769                         soup_cache_dump(diskcache);
 770                 }
 771                 break;
 772         default:
 773                 break;
 774         }
 775 }
 776
 777 static void
 778 loaduri(Client *c, const Arg *arg) {
 779         char *u = NULL, *rp;
 780         const char *uri = (char *)arg->v;
 781         Arg a = { .b = FALSE };
 782         struct stat st;
 783
 784         if(strcmp(uri, "") == 0)
 785                 return;
 786
 787         /* In case it's a file path. */
 788         if(stat(uri, &st) == 0) {
 789                 rp = realpath(uri, NULL);
 790                 u = g_strdup_printf("file://%s", rp);
 791                 free(rp);
 792         } else {
 793                 u = g_strrstr(uri, "://") ? g_strdup(uri)
 794                         : g_strdup_printf("http://%s", uri);
 795         }
 796
 797         setatom(c, AtomUri, uri);
 798
 799         /* prevents endless loop */
 800         if(strcmp(u, geturi(c)) == 0) {
 801                 reload(c, &a);
 802         } else {
 803                 webkit_web_view_load_uri(c->view, u);
 804                 c->progress = 0;
 805                 c->title = copystr(&c->title, u);
 806                 updatetitle(c);
 807         }
 808         g_free(u);
 809 }
 810
 811 static void
 812 navigate(Client *c, const Arg *arg) {
 813         int steps = *(int *)arg;
 814         webkit_web_view_go_back_or_forward(c->view, steps);
 815 }
 816
 817 static Client *
 818 newclient(void) {
 819         Client *c;
 820         WebKitWebSettings *settings;
 821         WebKitWebFrame *frame;
 822         GdkGeometry hints = { 1, 1 };
 823         GdkScreen *screen;
 824         gdouble dpi;
 825         char *ua;
 826
 827         if(!(c = calloc(1, sizeof(Client))))
 828                 die("Cannot malloc!\n");
 829
 830         c->title = NULL;
 831         c->progress = 100;
 832
 833         /* Window */
 834         if(embed) {
 835                 c->win = gtk_plug_new(embed);
 836         } else {
 837                 c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 838
 839                 /* TA:  20091214:  Despite what the GNOME docs say, the ICCCM
 840                  * is always correct, so we should still call this function.
 841                  * But when doing so, we *must* differentiate between a
 842                  * WM_CLASS and a resource on the window.  By convention, the
 843                  * window class (WM_CLASS) is capped, while the resource is in
 844                  * lowercase.   Both these values come as a pair.
 845                  */
 846                 gtk_window_set_wmclass(GTK_WINDOW(c->win), "surf", "Surf");
 847
 848                 /* TA:  20091214:  And set the role here as well -- so that
 849                  * sessions can pick this up.
 850                  */
 851                 gtk_window_set_role(GTK_WINDOW(c->win), "Surf");
 852         }
 853         gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600);
 854         g_signal_connect(G_OBJECT(c->win),
 855                         "destroy",
 856                         G_CALLBACK(destroywin), c);
 857         g_signal_connect(G_OBJECT(c->win),
 858                         "leave_notify_event",
 859                         G_CALLBACK(titlechangeleave), c);
 860
 861         if(!kioskmode)
 862                 addaccelgroup(c);
 863
 864         /* Pane */
 865         c->pane = gtk_vpaned_new();
 866
 867         /* VBox */
 868         c->vbox = gtk_vbox_new(FALSE, 0);
 869         gtk_paned_pack1(GTK_PANED(c->pane), c->vbox, TRUE, TRUE);
 870
 871         /* Webview */
 872         c->view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 873
 874         g_signal_connect(G_OBJECT(c->view),
 875                         "notify::title",
 876                         G_CALLBACK(titlechange), c);
 877         g_signal_connect(G_OBJECT(c->view),
 878                         "hovering-over-link",
 879                         G_CALLBACK(linkhover), c);
 880         g_signal_connect(G_OBJECT(c->view),
 881                         "geolocation-policy-decision-requested",
 882                         G_CALLBACK(geopolicyrequested), c);
 883         g_signal_connect(G_OBJECT(c->view),
 884                         "create-web-view",
 885                         G_CALLBACK(createwindow), c);
 886         g_signal_connect(G_OBJECT(c->view),
 887                         "new-window-policy-decision-requested",
 888                         G_CALLBACK(decidewindow), c);
 889         g_signal_connect(G_OBJECT(c->view),
 890                         "mime-type-policy-decision-requested",
 891                         G_CALLBACK(decidedownload), c);
 892         g_signal_connect(G_OBJECT(c->view),
 893                         "window-object-cleared",
 894                         G_CALLBACK(windowobjectcleared), c);
 895         g_signal_connect(G_OBJECT(c->view),
 896                         "notify::load-status",
 897                         G_CALLBACK(loadstatuschange), c);
 898         g_signal_connect(G_OBJECT(c->view),
 899                         "notify::progress",
 900                         G_CALLBACK(progresschange), c);
 901         g_signal_connect(G_OBJECT(c->view),
 902                         "download-requested",
 903                         G_CALLBACK(initdownload), c);
 904         g_signal_connect(G_OBJECT(c->view),
 905                         "button-release-event",
 906                         G_CALLBACK(buttonrelease), c);
 907         g_signal_connect(G_OBJECT(c->view),
 908                         "context-menu",
 909                         G_CALLBACK(contextmenu), c);
 910         g_signal_connect(G_OBJECT(c->view),
 911                         "resource-request-starting",
 912                         G_CALLBACK(beforerequest), c);
 913         g_signal_connect(G_OBJECT(c->view),
 914                         "should-show-delete-interface-for-element",
 915                         G_CALLBACK(deletion_interface), c);
 916
 917         /* Scrolled Window */
 918         c->scroll = gtk_scrolled_window_new(NULL, NULL);
 919
 920         frame = webkit_web_view_get_main_frame(WEBKIT_WEB_VIEW(c->view));
 921         g_signal_connect(G_OBJECT(frame), "scrollbars-policy-changed",
 922                         G_CALLBACK(gtk_true), NULL);
 923
 924         if(!enablescrollbars) {
 925                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 926                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
 927         } else {
 928                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
 929                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 930         }
 931
 932         /* Arranging */
 933         gtk_container_add(GTK_CONTAINER(c->scroll), GTK_WIDGET(c->view));
 934         gtk_container_add(GTK_CONTAINER(c->win), c->pane);
 935         gtk_container_add(GTK_CONTAINER(c->vbox), c->scroll);
 936
 937         /* Setup */
 938         gtk_box_set_child_packing(GTK_BOX(c->vbox), c->scroll, TRUE,
 939                         TRUE, 0, GTK_PACK_START);
 940         gtk_widget_grab_focus(GTK_WIDGET(c->view));
 941         gtk_widget_show(c->pane);
 942         gtk_widget_show(c->vbox);
 943         gtk_widget_show(c->scroll);
 944         gtk_widget_show(GTK_WIDGET(c->view));
 945         gtk_widget_show(c->win);
 946         gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
 947                         GDK_HINT_MIN_SIZE);
 948         gdk_window_set_events(GTK_WIDGET(c->win)->window, GDK_ALL_EVENTS_MASK);
 949         gdk_window_add_filter(GTK_WIDGET(c->win)->window, processx, c);
 950         webkit_web_view_set_full_content_zoom(c->view, TRUE);
 951
 952         runscript(frame);
 953
 954         settings = webkit_web_view_get_settings(c->view);
 955         if(!(ua = getenv("SURF_USERAGENT")))
 956                 ua = useragent;
 957         g_object_set(G_OBJECT(settings), "user-agent", ua, NULL);
 958         if (enablestyles) {
 959                 g_object_set(G_OBJECT(settings), "user-stylesheet-uri",
 960                                          getstyle("about:blank"), NULL);
 961         }
 962         g_object_set(G_OBJECT(settings), "auto-load-images", loadimages,
 963                         NULL);
 964         g_object_set(G_OBJECT(settings), "enable-plugins", enableplugins,
 965                         NULL);
 966         g_object_set(G_OBJECT(settings), "enable-scripts", enablescripts,
 967                         NULL);
 968         g_object_set(G_OBJECT(settings), "enable-spatial-navigation",
 969                         enablespatialbrowsing, NULL);
 970         g_object_set(G_OBJECT(settings), "enable-developer-extras",
 971                         enableinspector, NULL);
 972         g_object_set(G_OBJECT(settings), "enable-default-context-menu",
 973                         kioskmode ^ 1, NULL);
 974         g_object_set(G_OBJECT(settings), "default-font-size",
 975                         defaultfontsize, NULL);
 976         g_object_set(G_OBJECT(settings), "resizable-text-areas",
 977                         1, NULL);
 978
 979         /*
 980          * While stupid, CSS specifies that a pixel represents 1/96 of an inch.
 981          * This ensures websites are not unusably small with a high DPI screen.
 982          * It is equivalent to firefox's "layout.css.devPixelsPerPx" setting.
 983          */
 984         if(zoomto96dpi) {
 985                 screen = gdk_window_get_screen(GTK_WIDGET(c->win)->window);
 986                 dpi = gdk_screen_get_resolution(screen);
 987                 if(dpi != -1) {
 988                         g_object_set(G_OBJECT(settings), "enforce-96-dpi", true,
 989                                         NULL);
 990                         webkit_web_view_set_zoom_level(c->view, dpi/96);
 991                 }
 992         }
 993         /* This might conflict with _zoomto96dpi_. */
 994         if(zoomlevel != 1.0)
 995                 webkit_web_view_set_zoom_level(c->view, zoomlevel);
 996
 997         if(enableinspector) {
 998                 c->inspector = WEBKIT_WEB_INSPECTOR(
 999                                 webkit_web_view_get_inspector(c->view));
1000                 g_signal_connect(G_OBJECT(c->inspector), "inspect-web-view",
1001                                 G_CALLBACK(inspector_new), c);
1002                 g_signal_connect(G_OBJECT(c->inspector), "show-window",
1003                                 G_CALLBACK(inspector_show), c);
1004                 g_signal_connect(G_OBJECT(c->inspector), "close-window",
1005                                 G_CALLBACK(inspector_close), c);
1006                 g_signal_connect(G_OBJECT(c->inspector), "finished",
1007                                 G_CALLBACK(inspector_finished), c);
1008                 c->isinspecting = false;
1009         }
1010
1011         if(runinfullscreen) {
1012                 c->fullscreen = 0;
1013                 fullscreen(c, NULL);
1014         }
1015
1016         setatom(c, AtomFind, "");
1017         setatom(c, AtomUri, "about:blank");
1018         if(hidebackground)
1019                 webkit_web_view_set_transparent(c->view, TRUE);
1020
1021         c->next = clients;
1022         clients = c;
1023
1024         if(showxid) {
1025                 gdk_display_sync(gtk_widget_get_display(c->win));
1026                 printf("%u\n",
1027                         (guint)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1028                 fflush(NULL);
1029                 if (fclose(stdout) != 0) {
1030                         die("Error closing stdout");
1031                 }
1032         }
1033
1034         return c;
1035 }
1036
1037 static void
1038 newwindow(Client *c, const Arg *arg, gboolean noembed) {
1039         guint i = 0;
1040         const char *cmd[18], *uri;
1041         const Arg a = { .v = (void *)cmd };
1042         char tmp[64];
1043
1044         cmd[i++] = argv0;
1045         cmd[i++] = "-a";
1046         cmd[i++] = cookiepolicies;
1047         if(!enablescrollbars)
1048                 cmd[i++] = "-b";
1049         if(embed && !noembed) {
1050                 cmd[i++] = "-e";
1051                 snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
1052                 cmd[i++] = tmp;
1053         }
1054         if(!allowgeolocation)
1055                 cmd[i++] = "-g";
1056         if(!loadimages)
1057                 cmd[i++] = "-i";
1058         if(kioskmode)
1059                 cmd[i++] = "-k";
1060         if(!enableplugins)
1061                 cmd[i++] = "-p";
1062         if(!enablescripts)
1063                 cmd[i++] = "-s";
1064         if(showxid)
1065                 cmd[i++] = "-x";
1066         if(enablediskcache)
1067                 cmd[i++] = "-D";
1068         cmd[i++] = "-c";
1069         cmd[i++] = cookiefile;
1070         cmd[i++] = "--";
1071         uri = arg->v ? (char *)arg->v : c->linkhover;
1072         if(uri)
1073                 cmd[i++] = uri;
1074         cmd[i++] = NULL;
1075         spawn(NULL, &a);
1076 }
1077
1078 static gboolean
1079 contextmenu(WebKitWebView *view, GtkWidget *menu, WebKitHitTestResult *target,
1080                 gboolean keyboard, Client *c) {
1081         GList *items = gtk_container_get_children(GTK_CONTAINER(GTK_MENU(menu)));
1082
1083         for(GList *l = items; l; l = l->next) {
1084                 g_signal_connect(l->data, "activate", G_CALLBACK(menuactivate), c);
1085         }
1086
1087         g_list_free(items);
1088         return FALSE;
1089 }
1090
1091 static void
1092 menuactivate(GtkMenuItem *item, Client *c) {
1093         /*
1094          * context-menu-action-2000     open link
1095          * context-menu-action-1        open link in window
1096          * context-menu-action-2        download linked file
1097          * context-menu-action-3        copy link location
1098          * context-menu-action-7        copy image address
1099          * context-menu-action-13       reload
1100          * context-menu-action-10       back
1101          * context-menu-action-11       forward
1102          * context-menu-action-12       stop
1103          */
1104
1105         GtkAction *a = NULL;
1106         const char *name, *uri;
1107         GtkClipboard *prisel, *clpbrd;
1108
1109         a = gtk_activatable_get_related_action(GTK_ACTIVATABLE(item));
1110         if(a == NULL)
1111                 return;
1112
1113         name = gtk_action_get_name(a);
1114         if(!g_strcmp0(name, "context-menu-action-3")) {
1115                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1116                 gtk_clipboard_set_text(prisel, c->linkhover, -1);
1117         } else if(!g_strcmp0(name, "context-menu-action-7")) {
1118                 prisel = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
1119                 clpbrd = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
1120                 uri = gtk_clipboard_wait_for_text(clpbrd);
1121                 if(uri)
1122                         gtk_clipboard_set_text(prisel, uri, -1);
1123         }
1124 }
1125
1126 static void
1127 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d) {
1128         Arg arg = {.v = text };
1129         if(text != NULL)
1130                 loaduri((Client *) d, &arg);
1131 }
1132
1133 static void
1134 print(Client *c, const Arg *arg) {
1135         webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
1136 }
1137
1138 static GdkFilterReturn
1139 processx(GdkXEvent *e, GdkEvent *event, gpointer d) {
1140         Client *c = (Client *)d;
1141         XPropertyEvent *ev;
1142         Arg arg;
1143
1144         if(((XEvent *)e)->type == PropertyNotify) {
1145                 ev = &((XEvent *)e)->xproperty;
1146                 if(ev->state == PropertyNewValue) {
1147                         if(ev->atom == atoms[AtomFind]) {
1148                                 arg.b = TRUE;
1149                                 find(c, &arg);
1150
1151                                 return GDK_FILTER_REMOVE;
1152                         } else if(ev->atom == atoms[AtomGo]) {
1153                                 arg.v = getatom(c, AtomGo);
1154                                 loaduri(c, &arg);
1155
1156                                 return GDK_FILTER_REMOVE;
1157                         }
1158                 }
1159         }
1160         return GDK_FILTER_CONTINUE;
1161 }
1162
1163 static void
1164 progresschange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1165         c->progress = webkit_web_view_get_progress(c->view) * 100;
1166         updatetitle(c);
1167 }
1168
1169 static void
1170 linkopen(Client *c, const Arg *arg) {
1171         newwindow(NULL, arg, 1);
1172 }
1173
1174 static void
1175 linkopenembed(Client *c, const Arg *arg) {
1176         newwindow(NULL, arg, 0);
1177 }
1178
1179 static void
1180 reload(Client *c, const Arg *arg) {
1181         gboolean nocache = *(gboolean *)arg;
1182         if(nocache) {
1183                  webkit_web_view_reload_bypass_cache(c->view);
1184         } else {
1185                  webkit_web_view_reload(c->view);
1186         }
1187 }
1188
1189 static void
1190 scroll_h(Client *c, const Arg *arg) {
1191         scroll(gtk_scrolled_window_get_hadjustment(
1192                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1193 }
1194
1195 static void
1196 scroll_v(Client *c, const Arg *arg) {
1197         scroll(gtk_scrolled_window_get_vadjustment(
1198                                 GTK_SCROLLED_WINDOW(c->scroll)), arg);
1199 }
1200
1201 static void
1202 scroll(GtkAdjustment *a, const Arg *arg) {
1203         gdouble v;
1204
1205         v = gtk_adjustment_get_value(a);
1206         switch(arg->i) {
1207         case +10000:
1208         case -10000:
1209                 v += gtk_adjustment_get_page_increment(a) *
1210                         (arg->i / 10000);
1211                 break;
1212         case +20000:
1213         case -20000:
1214         default:
1215                 v += gtk_adjustment_get_step_increment(a) * arg->i;
1216         }
1217
1218         v = MAX(v, 0.0);
1219         v = MIN(v, gtk_adjustment_get_upper(a) -
1220                         gtk_adjustment_get_page_size(a));
1221         gtk_adjustment_set_value(a, v);
1222 }
1223
1224 static void
1225 setatom(Client *c, int a, const char *v) {
1226         XSync(dpy, False);
1227         XChangeProperty(dpy, GDK_WINDOW_XID(GTK_WIDGET(c->win)->window),
1228                         atoms[a], XA_STRING, 8, PropModeReplace,
1229                         (unsigned char *)v, strlen(v) + 1);
1230 }
1231
1232 static void
1233 setup(void) {
1234         int i;
1235         char *proxy;
1236         char *new_proxy;
1237         SoupURI *puri;
1238         SoupSession *s;
1239         GError *error = NULL;
1240
1241         /* clean up any zombies immediately */
1242         sigchld(0);
1243         gtk_init(NULL, NULL);
1244
1245         dpy = GDK_DISPLAY();
1246
1247         /* atoms */
1248         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
1249         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
1250         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
1251
1252         /* dirs and files */
1253         cookiefile = buildfile(cookiefile);
1254         scriptfile = buildfile(scriptfile);
1255         cachefolder = buildpath(cachefolder);
1256         styledir = buildpath(styledir);
1257         if(stylefile == NULL) {
1258                 for(i = 0; i < LENGTH(styles); i++) {
1259                         if(regcomp(&(styles[i].re), styles[i].regex,
1260                                                 REG_EXTENDED)) {
1261                                 fprintf(stderr,
1262                                         "Could not compile regex: %s\n",
1263                                         styles[i].regex);
1264                                 styles[i].regex = NULL;
1265                         }
1266                         styles[i].style = buildfile(
1267                                         g_strconcat(styledir,
1268                                                 styles[i].style, NULL));
1269                 }
1270         } else {
1271                 stylefile = buildfile(stylefile);
1272         }
1273
1274         /* request handler */
1275         s = webkit_get_default_session();
1276
1277         /* cookie jar */
1278         soup_session_add_feature(s,
1279                         SOUP_SESSION_FEATURE(cookiejar_new(cookiefile, FALSE,
1280                                         cookiepolicy_get())));
1281
1282         /* disk cache */
1283         if(enablediskcache) {
1284                 diskcache = soup_cache_new(cachefolder, SOUP_CACHE_SINGLE_USER);
1285                 soup_cache_set_max_size(diskcache, diskcachebytes);
1286                 soup_cache_load(diskcache);
1287                 soup_session_add_feature(s, SOUP_SESSION_FEATURE(diskcache));
1288         }
1289
1290         /* ssl */
1291         tlsdb = g_tls_file_database_new(cafile, &error);
1292
1293         if(error) {
1294                 g_warning("Error loading SSL database %s: %s", cafile, error->message);
1295                 g_error_free(error);
1296         }
1297         g_object_set(G_OBJECT(s), "tls-database", tlsdb, NULL);
1298         g_object_set(G_OBJECT(s), "ssl-strict", strictssl, NULL);
1299
1300         /* proxy */
1301         if((proxy = getenv("http_proxy")) && strcmp(proxy, "")) {
1302                 new_proxy = g_strrstr(proxy, "http://")
1303             || g_strrstr(proxy, "socks://")
1304             || g_strrstr(proxy, "socks4://")
1305             || g_strrstr(proxy, "socks5://")
1306             ? g_strdup(proxy)
1307             : g_strdup_printf("http://%s", proxy);
1308                 puri = soup_uri_new(new_proxy);
1309                 g_object_set(G_OBJECT(s), "proxy-uri", puri, NULL);
1310                 soup_uri_free(puri);
1311                 g_free(new_proxy);
1312                 usingproxy = 1;
1313         }
1314 }
1315
1316 static void
1317 sigchld(int unused) {
1318         if(signal(SIGCHLD, sigchld) == SIG_ERR)
1319                 die("Can't install SIGCHLD handler");
1320         while(0 < waitpid(-1, NULL, WNOHANG));
1321 }
1322
1323 static void
1324 source(Client *c, const Arg *arg) {
1325         Arg a = { .b = FALSE };
1326         gboolean s;
1327
1328         s = webkit_web_view_get_view_source_mode(c->view);
1329         webkit_web_view_set_view_source_mode(c->view, !s);
1330         reload(c, &a);
1331 }
1332
1333 static void
1334 spawn(Client *c, const Arg *arg) {
1335         if(fork() == 0) {
1336                 if(dpy)
1337                         close(ConnectionNumber(dpy));
1338                 setsid();
1339                 execvp(((char **)arg->v)[0], (char **)arg->v);
1340                 fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
1341                 perror(" failed");
1342                 exit(0);
1343         }
1344 }
1345
1346 static void
1347 eval(Client *c, const Arg *arg) {
1348         WebKitWebFrame *frame = webkit_web_view_get_main_frame(c->view);
1349         evalscript(webkit_web_frame_get_global_context(frame),
1350                         ((char **)arg->v)[0], "");
1351 }
1352
1353 static void
1354 stop(Client *c, const Arg *arg) {
1355         webkit_web_view_stop_loading(c->view);
1356 }
1357
1358 static void
1359 titlechange(WebKitWebView *view, GParamSpec *pspec, Client *c) {
1360         const gchar *t = webkit_web_view_get_title(view);
1361         if (t) {
1362                 c->title = copystr(&c->title, t);
1363                 updatetitle(c);
1364         }
1365 }
1366
1367 static void
1368 titlechangeleave(void *a, void *b, Client *c) {
1369         c->linkhover = NULL;
1370         updatetitle(c);
1371 }
1372
1373 static void
1374 toggle(Client *c, const Arg *arg) {
1375         WebKitWebSettings *settings;
1376         char *name = (char *)arg->v;
1377         gboolean value;
1378         Arg a = { .b = FALSE };
1379
1380         settings = webkit_web_view_get_settings(c->view);
1381         g_object_get(G_OBJECT(settings), name, &value, NULL);
1382         g_object_set(G_OBJECT(settings), name, !value, NULL);
1383
1384         reload(c, &a);
1385 }
1386
1387 static void
1388 togglecookiepolicy(Client *c, const Arg *arg) {
1389         SoupCookieJar *jar;
1390         SoupCookieJarAcceptPolicy policy;
1391
1392         jar = SOUP_COOKIE_JAR(
1393                         soup_session_get_feature(
1394                                 webkit_get_default_session(),
1395                                 SOUP_TYPE_COOKIE_JAR));
1396         g_object_get(G_OBJECT(jar), "accept-policy", &policy, NULL);
1397
1398         policysel++;
1399         if(policysel >= strlen(cookiepolicies))
1400                 policysel = 0;
1401
1402         g_object_set(G_OBJECT(jar), "accept-policy",
1403                         cookiepolicy_get(), NULL);
1404
1405         updatetitle(c);
1406         /* Do not reload. */
1407 }
1408
1409 static void
1410 togglegeolocation(Client *c, const Arg *arg) {
1411         Arg a = { .b = FALSE };
1412
1413         allowgeolocation ^= 1;
1414
1415         reload(c, &a);
1416 }
1417
1418 static void
1419 twitch(Client *c, const Arg *arg) {
1420         GtkAdjustment *a;
1421         gdouble v;
1422
1423         a = gtk_scrolled_window_get_vadjustment(
1424                         GTK_SCROLLED_WINDOW(c->scroll));
1425
1426         v = gtk_adjustment_get_value(a);
1427
1428         v += arg->i;
1429
1430         v = MAX(v, 0.0);
1431         v = MIN(v, gtk_adjustment_get_upper(a) -
1432                         gtk_adjustment_get_page_size(a));
1433         gtk_adjustment_set_value(a, v);
1434 }
1435
1436 static void
1437 togglescrollbars(Client *c, const Arg *arg) {
1438         GtkPolicyType vspolicy;
1439         Arg a;
1440
1441         gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL, &vspolicy);
1442
1443         if(vspolicy == GTK_POLICY_AUTOMATIC) {
1444                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1445                                 GTK_POLICY_NEVER, GTK_POLICY_NEVER);
1446         } else {
1447                 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
1448                                 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1449                 a.i = +1;
1450                 twitch(c, &a);
1451                 a.i = -1;
1452                 twitch(c, &a);
1453         }
1454 }
1455
1456 static void
1457 togglestyle(Client *c, const Arg *arg) {
1458         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1459         char *uri;
1460
1461         enablestyles = !enablestyles;
1462         uri = enablestyles ? getstyle(geturi(c)) : g_strdup("");
1463         g_object_set(G_OBJECT(settings), "user-stylesheet-uri", uri, NULL);
1464
1465         updatetitle(c);
1466 }
1467
1468 static void
1469 gettogglestat(Client *c){
1470         gboolean value;
1471         int p = 0;
1472         WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
1473
1474         togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
1475
1476         g_object_get(G_OBJECT(settings), "enable-caret-browsing",
1477                         &value, NULL);
1478         togglestat[p++] = value? 'C': 'c';
1479
1480         togglestat[p++] = allowgeolocation? 'G': 'g';
1481
1482         togglestat[p++] = enablediskcache? 'D': 'd';
1483
1484         g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
1485         togglestat[p++] = value? 'I': 'i';
1486
1487         g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
1488         togglestat[p++] = value? 'S': 's';
1489
1490         g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
1491         togglestat[p++] = value? 'V': 'v';
1492
1493         togglestat[p++] = enablestyles ? 'M': 'm';
1494
1495         togglestat[p] = '\0';
1496 }
1497
1498 static void
1499 getpagestat(Client *c) {
1500         const char *uri = geturi(c);
1501
1502         if(strstr(uri, "https://") == uri) {
1503                 pagestat[0] = c->sslfailed ? 'U' : 'T';
1504         } else {
1505                 pagestat[0] = '-';
1506         }
1507
1508         pagestat[1] = usingproxy ? 'P' : '-';
1509         pagestat[2] = '\0';
1510
1511 }
1512
1513 static void
1514 updatetitle(Client *c) {
1515         char *t;
1516
1517         if(showindicators) {
1518                 gettogglestat(c);
1519                 getpagestat(c);
1520
1521                 if(c->linkhover) {
1522                         t = g_strdup_printf("%s:%s | %s", togglestat,
1523                                         pagestat, c->linkhover);
1524                 } else if(c->progress != 100) {
1525                         t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
1526                                         togglestat, pagestat,
1527                                         (c->title == NULL)? "" : c->title);
1528                 } else {
1529                         t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
1530                                         (c->title == NULL)? "" : c->title);
1531                 }
1532
1533                 gtk_window_set_title(GTK_WINDOW(c->win), t);
1534                 g_free(t);
1535         } else {
1536                 gtk_window_set_title(GTK_WINDOW(c->win),
1537                                 (c->title == NULL)? "" : c->title);
1538         }
1539 }
1540
1541 static void
1542 updatewinid(Client *c) {
1543         snprintf(winid, LENGTH(winid), "%u",
1544                         (int)GDK_WINDOW_XID(GTK_WIDGET(c->win)->window));
1545 }
1546
1547 static void
1548 usage(void) {
1549         die("usage: %s [-bBfFgGiIkKnNpPsSvx]"
1550                 " [-a cookiepolicies ] "
1551                 " [-c cookiefile] [-e xid] [-r scriptfile]"
1552                 " [-t stylefile] [-u useragent] [-z zoomlevel]"
1553                 " [uri]\n", basename(argv0));
1554 }
1555
1556 static void
1557 windowobjectcleared(GtkWidget *w, WebKitWebFrame *frame, JSContextRef js,
1558                 JSObjectRef win, Client *c) {
1559         runscript(frame);
1560 }
1561
1562 static void
1563 zoom(Client *c, const Arg *arg) {
1564         c->zoomed = TRUE;
1565         if(arg->i < 0) {
1566                 /* zoom out */
1567                 webkit_web_view_zoom_out(c->view);
1568         } else if(arg->i > 0) {
1569                 /* zoom in */
1570                 webkit_web_view_zoom_in(c->view);
1571         } else {
1572                 /* reset */
1573                 c->zoomed = FALSE;
1574                 webkit_web_view_set_zoom_level(c->view, 1.0);
1575         }
1576 }
1577
1578 int
1579 main(int argc, char *argv[]) {
1580         Arg arg;
1581         Client *c;
1582
1583         memset(&arg, 0, sizeof(arg));
1584
1585         /* command line args */
1586         ARGBEGIN {
1587         case 'a':
1588                 cookiepolicies = EARGF(usage());
1589                 break;
1590         case 'b':
1591                 enablescrollbars = 0;
1592                 break;
1593         case 'B':
1594                 enablescrollbars = 1;
1595                 break;
1596         case 'c':
1597                 cookiefile = EARGF(usage());
1598                 break;
1599         case 'd':
1600                 enablediskcache = 0;
1601                 break;
1602         case 'D':
1603                 enablediskcache = 1;
1604                 break;
1605         case 'e':
1606                 embed = strtol(EARGF(usage()), NULL, 0);
1607                 break;
1608         case 'f':
1609                 runinfullscreen = 1;
1610                 break;
1611         case 'F':
1612                 runinfullscreen = 0;
1613                 break;
1614         case 'g':
1615                 allowgeolocation = 0;
1616                 break;
1617         case 'G':
1618                 allowgeolocation = 1;
1619                 break;
1620         case 'i':
1621                 loadimages = 0;
1622                 break;
1623         case 'I':
1624                 loadimages = 1;
1625                 break;
1626         case 'k':
1627                 kioskmode = 0;
1628                 break;
1629         case 'K':
1630                 kioskmode = 1;
1631                 break;
1632         case 'm':
1633                 enablestyles = 0;
1634                 break;
1635         case 'M':
1636                 enablestyles = 1;
1637                 break;
1638         case 'n':
1639                 enableinspector = 0;
1640                 break;
1641         case 'N':
1642                 enableinspector = 1;
1643                 break;
1644         case 'p':
1645                 enableplugins = 0;
1646                 break;
1647         case 'P':
1648                 enableplugins = 1;
1649                 break;
1650         case 'r':
1651                 scriptfile = EARGF(usage());
1652                 break;
1653         case 's':
1654                 enablescripts = 0;
1655                 break;
1656         case 'S':
1657                 enablescripts = 1;
1658                 break;
1659         case 't':
1660                 stylefile = EARGF(usage());
1661                 break;
1662         case 'u':
1663                 useragent = EARGF(usage());
1664                 break;
1665         case 'v':
1666                 die("surf-"VERSION", ©2009-2014 surf engineers, "
1667                                 "see LICENSE for details\n");
1668         case 'x':
1669                 showxid = TRUE;
1670                 break;
1671         case 'z':
1672                 zoomlevel = strtof(EARGF(usage()), NULL);
1673                 break;
1674         default:
1675                 usage();
1676         } ARGEND;
1677         if(argc > 0)
1678                 arg.v = argv[0];
1679
1680         setup();
1681         c = newclient();
1682         if(arg.v) {
1683                 loaduri(clients, &arg);
1684         } else {
1685                 updatetitle(c);
1686         }
1687
1688         gtk_main();
1689         cleanup();
1690
1691         return EXIT_SUCCESS;
1692 }
1693