surf.c

   1 /* See LICENSE file for copyright and license details.
   2  *
   3  * To understand surf, start reading main().
   4  */
   5 #include <sys/file.h>
   6 #include <sys/types.h>
   7 #include <sys/wait.h>
   8 #include <libgen.h>
   9 #include <limits.h>
  10 #include <pwd.h>
  11 #include <regex.h>
  12 #include <signal.h>
  13 #include <stdarg.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <string.h>
  17 #include <unistd.h>
  18
  19 #include <gdk/gdk.h>
  20 #include <gdk/gdkkeysyms.h>
  21 #include <gdk/gdkx.h>
  22 #include <glib/gstdio.h>
  23 #include <gtk/gtk.h>
  24 #include <gtk/gtkx.h>
  25 #include <JavaScriptCore/JavaScript.h>
  26 #include <webkit2/webkit2.h>
  27 #include <X11/X.h>
  28 #include <X11/Xatom.h>
  29
  30 #include "arg.h"
  31
  32 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  33 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  34 #define SETB(p, s)              [p] = { { .b = s }, }
  35 #define SETI(p, s)              [p] = { { .i = s }, }
  36 #define SETV(p, s)              [p] = { { .v = s }, }
  37 #define SETF(p, s)              [p] = { { .f = s }, }
  38 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  39 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  40 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  41 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  42 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  43 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  44 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  45 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  46
  47 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  48
  49 enum {
  50         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  51         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  52         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  53         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  54         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  55         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  56         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  57         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  58 };
  59
  60 typedef enum {
  61         AcceleratedCanvas,
  62         CaretBrowsing,
  63         Certificate,
  64         CookiePolicies,
  65         DiskCache,
  66         DNSPrefetch,
  67         FontSize,
  68         FrameFlattening,
  69         Geolocation,
  70         HideBackground,
  71         Inspector,
  72         JavaScript,
  73         KioskMode,
  74         LoadImages,
  75         MediaManualPlay,
  76         Plugins,
  77         PreferredLanguages,
  78         RunInFullscreen,
  79         ScrollBars,
  80         ShowIndicators,
  81         SiteQuirks,
  82         SpellChecking,
  83         SpellLanguages,
  84         StrictTLS,
  85         Style,
  86         ZoomLevel,
  87         ParameterLast,
  88 } ParamName;
  89
  90 typedef union {
  91         int b;
  92         int i;
  93         float f;
  94         const void *v;
  95 } Arg;
  96
  97 typedef struct {
  98         Arg val;
  99         int force;
 100 } Parameter;
 101
 102 typedef struct Client {
 103         GtkWidget *win;
 104         WebKitWebView *view;
 105         WebKitWebInspector *inspector;
 106         WebKitFindController *finder;
 107         WebKitHitTestResult *mousepos;
 108         GTlsCertificateFlags tlserr;
 109         Window xid;
 110         int progress, fullscreen, https, insecure;
 111         const char *title, *overtitle, *targeturi;
 112         const char *needle;
 113         struct Client *next;
 114 } Client;
 115
 116 typedef struct {
 117         guint mod;
 118         guint keyval;
 119         void (*func)(Client *c, const Arg *a);
 120         const Arg arg;
 121 } Key;
 122
 123 typedef struct {
 124         unsigned int target;
 125         unsigned int mask;
 126         guint button;
 127         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 128         const Arg arg;
 129         unsigned int stopevent;
 130 } Button;
 131
 132 typedef struct {
 133         const char *uri;
 134         Parameter config[ParameterLast];
 135         regex_t re;
 136 } UriParameters;
 137
 138 typedef struct {
 139         char *regex;
 140         char *file;
 141         regex_t re;
 142 } SiteSpecific;
 143
 144 /* Surf */
 145 static void usage(void);
 146 static void die(const char *errstr, ...);
 147 static void setup(void);
 148 static void sigchld(int unused);
 149 static void sighup(int unused);
 150 static char *buildfile(const char *path);
 151 static char *buildpath(const char *path);
 152 static const char *getuserhomedir(const char *user);
 153 static const char *getcurrentuserhomedir(void);
 154 static Client *newclient(Client *c);
 155 static void loaduri(Client *c, const Arg *a);
 156 static const char *geturi(Client *c);
 157 static void setatom(Client *c, int a, const char *v);
 158 static const char *getatom(Client *c, int a);
 159 static void updatetitle(Client *c);
 160 static void gettogglestats(Client *c);
 161 static void getpagestats(Client *c);
 162 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 163 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 164 static void seturiparameters(Client *c, const char *uri);
 165 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 166 static const char *getcert(const char *uri);
 167 static void setcert(Client *c, const char *file);
 168 static const char *getstyle(const char *uri);
 169 static void setstyle(Client *c, const char *file);
 170 static void runscript(Client *c);
 171 static void evalscript(Client *c, const char *jsstr, ...);
 172 static void updatewinid(Client *c);
 173 static void handleplumb(Client *c, const char *uri);
 174 static void newwindow(Client *c, const Arg *a, int noembed);
 175 static void spawn(Client *c, const Arg *a);
 176 static void destroyclient(Client *c);
 177 static void cleanup(void);
 178
 179 /* GTK/WebKit */
 180 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 181 static void initwebextensions(WebKitWebContext *wc, Client *c);
 182 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 183                              Client *c);
 184 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 185 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 186                                 gpointer d);
 187 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 188 static void showview(WebKitWebView *v, Client *c);
 189 static GtkWidget *createwindow(Client *c);
 190 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 191 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 192 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 193 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 194                                guint modifiers, Client *c);
 195 static gboolean permissionrequested(WebKitWebView *v,
 196                                     WebKitPermissionRequest *r, Client *c);
 197 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 198                              WebKitPolicyDecisionType dt, Client *c);
 199 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 200 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 201 static void decideresource(WebKitPolicyDecision *d, Client *c);
 202 static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
 203                             Client *c);
 204 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 205                             Client *c);
 206 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 207 static void download(Client *c, WebKitURIResponse *r);
 208 static void closeview(WebKitWebView *v, Client *c);
 209 static void destroywin(GtkWidget* w, Client *c);
 210
 211 /* Hotkeys */
 212 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 213 static void reload(Client *c, const Arg *a);
 214 static void print(Client *c, const Arg *a);
 215 static void clipboard(Client *c, const Arg *a);
 216 static void zoom(Client *c, const Arg *a);
 217 static void scroll(Client *c, const Arg *a);
 218 static void navigate(Client *c, const Arg *a);
 219 static void stop(Client *c, const Arg *a);
 220 static void toggle(Client *c, const Arg *a);
 221 static void togglefullscreen(Client *c, const Arg *a);
 222 static void togglecookiepolicy(Client *c, const Arg *a);
 223 static void toggleinspector(Client *c, const Arg *a);
 224 static void find(Client *c, const Arg *a);
 225
 226 /* Buttons */
 227 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 228 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 229 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 230
 231 static char winid[64];
 232 static char togglestats[11];
 233 static char pagestats[2];
 234 static Atom atoms[AtomLast];
 235 static Window embed;
 236 static int showxid;
 237 static int cookiepolicy;
 238 static Display *dpy;
 239 static Client *clients;
 240 static GdkDevice *gdkkb;
 241 static char *stylefile;
 242 static const char *useragent;
 243 static Parameter *curconfig;
 244 char *argv0;
 245
 246 /* configuration, allows nested code to access above variables */
 247 #include "config.h"
 248
 249 void
 250 usage(void)
 251 {
 252         die("usage: %s [-bBdDfFgGiIkKmMnNpPsStTvx] [-a cookiepolicies ] "
 253             "[-c cookiefile] [-C stylefile] [-e xid] [-r scriptfile] "
 254             "[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
 255 }
 256
 257 void
 258 die(const char *errstr, ...)
 259 {
 260         va_list ap;
 261
 262         va_start(ap, errstr);
 263         vfprintf(stderr, errstr, ap);
 264         va_end(ap);
 265         exit(1);
 266 }
 267
 268 void
 269 setup(void)
 270 {
 271         GdkDisplay *gdpy;
 272         int i, j;
 273
 274         /* clean up any zombies immediately */
 275         sigchld(0);
 276         if (signal(SIGHUP, sighup) == SIG_ERR)
 277                 die("Can't install SIGHUP handler");
 278
 279         if (!(dpy = XOpenDisplay(NULL)))
 280                 die("Can't open default display");
 281
 282         /* atoms */
 283         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 284         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 285         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 286
 287         gtk_init(NULL, NULL);
 288
 289         gdpy = gdk_display_get_default();
 290
 291         curconfig = defconfig;
 292
 293         /* dirs and files */
 294         cookiefile = buildfile(cookiefile);
 295         scriptfile = buildfile(scriptfile);
 296         cachedir   = buildpath(cachedir);
 297         certdir    = buildpath(certdir);
 298
 299         gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
 300
 301         for (i = 0; i < LENGTH(certs); ++i) {
 302                 if (regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
 303                         fprintf(stderr, "Could not compile regex: %s\n",
 304                                 certs[i].regex);
 305                         certs[i].regex = NULL;
 306                 }
 307                 certs[i].file = g_strconcat(certdir, "/", certs[i].file, NULL);
 308         }
 309
 310         if (!stylefile) {
 311                 styledir = buildpath(styledir);
 312                 for (i = 0; i < LENGTH(styles); ++i) {
 313                         if (regcomp(&(styles[i].re), styles[i].regex,
 314                             REG_EXTENDED)) {
 315                                 fprintf(stderr,
 316                                         "Could not compile regex: %s\n",
 317                                         styles[i].regex);
 318                                 styles[i].regex = NULL;
 319                         }
 320                         styles[i].file = g_strconcat(styledir, "/",
 321                                                      styles[i].file, NULL);
 322                 }
 323                 g_free(styledir);
 324         } else {
 325                 stylefile = buildfile(stylefile);
 326         }
 327
 328         for (i = 0; i < LENGTH(uriparams); ++i) {
 329                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 330                     REG_EXTENDED)) {
 331                         /* copy default parameters if they are not already set
 332                          * or if they are forced */
 333                         for (j = 0; j < ParameterLast; ++j) {
 334                                 if (!uriparams[i].config[j].force ||
 335                                     defconfig[j].force)
 336                                         uriparams[i].config[j] = defconfig[j];
 337                         }
 338                 } else {
 339                         fprintf(stderr,
 340                                 "Could not compile regex: %s\n",
 341                                 uriparams[i].uri);
 342                         uriparams[i].uri = NULL;
 343                 }
 344         }
 345 }
 346
 347 void
 348 sigchld(int unused)
 349 {
 350         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 351                 die("Can't install SIGCHLD handler");
 352         while (waitpid(-1, NULL, WNOHANG) > 0)
 353                 ;
 354 }
 355
 356 void
 357 sighup(int unused)
 358 {
 359         Arg a = { .b = 0 };
 360         Client *c;
 361
 362         for (c = clients; c; c = c->next)
 363                 reload(c, &a);
 364 }
 365
 366 char *
 367 buildfile(const char *path)
 368 {
 369         char *dname, *bname, *bpath, *fpath;
 370         FILE *f;
 371
 372         dname = g_path_get_dirname(path);
 373         bname = g_path_get_basename(path);
 374
 375         bpath = buildpath(dname);
 376         g_free(dname);
 377
 378         fpath = g_build_filename(bpath, bname, NULL);
 379         g_free(bpath);
 380         g_free(bname);
 381
 382         if (!(f = fopen(fpath, "a")))
 383                 die("Could not open file: %s\n", fpath);
 384
 385         g_chmod(fpath, 0600); /* always */
 386         fclose(f);
 387
 388         return fpath;
 389 }
 390
 391 static const char*
 392 getuserhomedir(const char *user)
 393 {
 394         struct passwd *pw = getpwnam(user);
 395
 396         if (!pw)
 397                 die("Can't get user %s login information.\n", user);
 398
 399         return pw->pw_dir;
 400 }
 401
 402 static const char*
 403 getcurrentuserhomedir(void)
 404 {
 405         const char *homedir;
 406         const char *user;
 407         struct passwd *pw;
 408
 409         homedir = getenv("HOME");
 410         if (homedir)
 411                 return homedir;
 412
 413         user = getenv("USER");
 414         if (user)
 415                 return getuserhomedir(user);
 416
 417         pw = getpwuid(getuid());
 418         if (!pw)
 419                 die("Can't get current user home directory\n");
 420
 421         return pw->pw_dir;
 422 }
 423
 424 char *
 425 buildpath(const char *path)
 426 {
 427         char *apath, *name, *p, *fpath;
 428         const char *homedir;
 429
 430         if (path[0] == '~') {
 431                 if (path[1] == '/' || path[1] == '\0') {
 432                         p = (char *)&path[1];
 433                         homedir = getcurrentuserhomedir();
 434                 } else {
 435                         if ((p = strchr(path, '/')))
 436                                 name = g_strndup(&path[1], --p - path);
 437                         else
 438                                 name = g_strdup(&path[1]);
 439
 440                         homedir = getuserhomedir(name);
 441                         g_free(name);
 442                 }
 443                 apath = g_build_filename(homedir, p, NULL);
 444         } else {
 445                 apath = g_strdup(path);
 446         }
 447
 448         /* creating directory */
 449         if (g_mkdir_with_parents(apath, 0700) < 0)
 450                 die("Could not access directory: %s\n", apath);
 451
 452         fpath = realpath(apath, NULL);
 453         g_free(apath);
 454
 455         return fpath;
 456 }
 457
 458 Client *
 459 newclient(Client *rc)
 460 {
 461         Client *c;
 462
 463         if (!(c = calloc(1, sizeof(Client))))
 464                 die("Cannot malloc!\n");
 465
 466         c->next = clients;
 467         clients = c;
 468
 469         c->progress = 100;
 470         c->view = newview(c, rc ? rc->view : NULL);
 471
 472         return c;
 473 }
 474
 475 void
 476 loaduri(Client *c, const Arg *a)
 477 {
 478         struct stat st;
 479         char *url, *path;
 480         const char *uri = a->v;
 481
 482         if (g_strcmp0(uri, "") == 0)
 483                 return;
 484
 485         if (g_str_has_prefix(uri, "http://")  ||
 486             g_str_has_prefix(uri, "https://") ||
 487             g_str_has_prefix(uri, "file://")  ||
 488             g_str_has_prefix(uri, "about:")) {
 489                 url = g_strdup(uri);
 490         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 491                 url = g_strdup_printf("file://%s", path);
 492                 free(path);
 493         } else {
 494                 url = g_strdup_printf("http://%s", uri);
 495         }
 496
 497         setatom(c, AtomUri, url);
 498
 499         if (strcmp(url, geturi(c)) == 0) {
 500                 reload(c, a);
 501         } else {
 502                 webkit_web_view_load_uri(c->view, url);
 503                 updatetitle(c);
 504         }
 505
 506         g_free(url);
 507 }
 508
 509 const char *
 510 geturi(Client *c)
 511 {
 512         const char *uri;
 513
 514         if (!(uri = webkit_web_view_get_uri(c->view)))
 515                 uri = "about:blank";
 516         return uri;
 517 }
 518
 519 void
 520 setatom(Client *c, int a, const char *v)
 521 {
 522         XSync(dpy, False);
 523         XChangeProperty(dpy, c->xid,
 524                         atoms[a], XA_STRING, 8, PropModeReplace,
 525                         (unsigned char *)v, strlen(v) + 1);
 526 }
 527
 528 const char *
 529 getatom(Client *c, int a)
 530 {
 531         static char buf[BUFSIZ];
 532         Atom adummy;
 533         int idummy;
 534         unsigned long ldummy;
 535         unsigned char *p = NULL;
 536
 537         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 538                            &adummy, &idummy, &ldummy, &ldummy, &p);
 539         if (p)
 540                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 541         else
 542                 buf[0] = '\0';
 543         XFree(p);
 544
 545         return buf;
 546 }
 547
 548 void
 549 updatetitle(Client *c)
 550 {
 551         char *title;
 552         const char *name = c->overtitle ? c->overtitle :
 553                            c->title ? c->title : "";
 554
 555         if (curconfig[ShowIndicators].val.b) {
 556                 gettogglestats(c);
 557                 getpagestats(c);
 558
 559                 if (c->progress != 100)
 560                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 561                                 c->progress, togglestats, pagestats, name);
 562                 else
 563                         title = g_strdup_printf("%s:%s | %s",
 564                                 togglestats, pagestats, name);
 565
 566                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 567                 g_free(title);
 568         } else {
 569                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 570         }
 571 }
 572
 573 void
 574 gettogglestats(Client *c)
 575 {
 576         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 577         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 578         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 579         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 580         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 581         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 582         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 583         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 584         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 585         togglestats[9] = curconfig[StrictTLS].val.b ?       'T' : 't';
 586         togglestats[10] = '\0';
 587 }
 588
 589 void
 590 getpagestats(Client *c)
 591 {
 592         if (c->https)
 593                 pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
 594         else
 595                 pagestats[0] = '-';
 596         pagestats[1] = '\0';
 597 }
 598
 599 WebKitCookieAcceptPolicy
 600 cookiepolicy_get(void)
 601 {
 602         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 603         case 'a':
 604                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 605         case '@':
 606                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 607         default: /* fallthrough */
 608         case 'A':
 609                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 610         }
 611 }
 612
 613 char
 614 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 615 {
 616         switch (p) {
 617         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 618                 return 'a';
 619         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 620                 return '@';
 621         default: /* fallthrough */
 622         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 623                 return 'A';
 624         }
 625 }
 626
 627 void
 628 seturiparameters(Client *c, const char *uri)
 629 {
 630         int i;
 631
 632         for (i = 0; i < LENGTH(uriparams); ++i) {
 633                 if (uriparams[i].uri &&
 634                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 635                         curconfig = uriparams[i].config;
 636                         break;
 637                 }
 638         }
 639
 640         for (i = 0; i < ParameterLast; ++i)
 641                 setparameter(c, 0, i, &curconfig[i].val);
 642 }
 643
 644 void
 645 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 646 {
 647         GdkRGBA bgcolor = { 0 };
 648         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 649
 650         switch (p) {
 651         case AcceleratedCanvas:
 652                 webkit_settings_set_enable_accelerated_2d_canvas(s, a->b);
 653                 break;
 654         case CaretBrowsing:
 655                 webkit_settings_set_enable_caret_browsing(s, a->b);
 656                 refresh = 0;
 657                 break;
 658         case Certificate:
 659                 if (a->b)
 660                         setcert(c, geturi(c));
 661                 return; /* do not update */
 662         case CookiePolicies:
 663                 webkit_cookie_manager_set_accept_policy(
 664                     webkit_web_context_get_cookie_manager(
 665                     webkit_web_view_get_context(c->view)),
 666                     cookiepolicy_get());
 667                 refresh = 0;
 668                 break;
 669         case DiskCache:
 670                 webkit_web_context_set_cache_model(
 671                     webkit_web_view_get_context(c->view), a->b ?
 672                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 673                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 674                 return; /* do not update */
 675         case DNSPrefetch:
 676                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 677                 return; /* do not update */
 678         case FontSize:
 679                 webkit_settings_set_default_font_size(s, a->i);
 680                 return; /* do not update */
 681         case FrameFlattening:
 682                 webkit_settings_set_enable_frame_flattening(s, a->b);
 683                 break;
 684         case Geolocation:
 685                 refresh = 0;
 686                 break;
 687         case HideBackground:
 688                 if (a->b)
 689                         webkit_web_view_set_background_color(c->view, &bgcolor);
 690                 return; /* do not update */
 691         case Inspector:
 692                 webkit_settings_set_enable_developer_extras(s, a->b);
 693                 return; /* do not update */
 694         case JavaScript:
 695                 webkit_settings_set_enable_javascript(s, a->b);
 696                 break;
 697         case KioskMode:
 698                 return; /* do nothing */
 699         case LoadImages:
 700                 webkit_settings_set_auto_load_images(s, a->b);
 701                 break;
 702         case MediaManualPlay:
 703                 webkit_settings_set_media_playback_requires_user_gesture(s, a->b);
 704                 break;
 705         case Plugins:
 706                 webkit_settings_set_enable_plugins(s, a->b);
 707                 break;
 708         case PreferredLanguages:
 709                 return; /* do nothing */
 710         case RunInFullscreen:
 711                 return; /* do nothing */
 712         case ScrollBars:
 713                 /* Disabled until we write some WebKitWebExtension for
 714                  * manipulating the DOM directly.
 715                 enablescrollbars = !enablescrollbars;
 716                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 717                     enablescrollbars ? "auto" : "hidden");
 718                 */
 719                 return; /* do not update */
 720         case ShowIndicators:
 721                 break;
 722         case SiteQuirks:
 723                 webkit_settings_set_enable_site_specific_quirks(s, a->b);
 724                 break;
 725         case SpellChecking:
 726                 webkit_web_context_set_spell_checking_enabled(
 727                     webkit_web_view_get_context(c->view), a->b);
 728                 return; /* do not update */
 729         case SpellLanguages:
 730                 return; /* do nothing */
 731         case StrictTLS:
 732                 webkit_web_context_set_tls_errors_policy(
 733                     webkit_web_view_get_context(c->view), a->b ?
 734                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 735                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 736                 break;
 737         case Style:
 738                 if (a->b)
 739                         setstyle(c, getstyle(geturi(c)));
 740                 else
 741                         webkit_user_content_manager_remove_all_style_sheets(
 742                             webkit_web_view_get_user_content_manager(c->view));
 743                 refresh = 0;
 744                 break;
 745         case ZoomLevel:
 746                 webkit_web_view_set_zoom_level(c->view, a->f);
 747                 return; /* do not update */
 748         default:
 749                 return; /* do nothing */
 750         }
 751
 752         updatetitle(c);
 753         if (refresh)
 754                 reload(c, a);
 755 }
 756
 757 const char *
 758 getcert(const char *uri)
 759 {
 760         int i;
 761
 762         for (i = 0; i < LENGTH(certs); ++i) {
 763                 if (certs[i].regex &&
 764                     !regexec(&(certs[i].re), uri, 0, NULL, 0))
 765                         return certs[i].file;
 766         }
 767
 768         return NULL;
 769 }
 770
 771 void
 772 setcert(Client *c, const char *uri)
 773 {
 774         const char *file = getcert(uri);
 775         char *host;
 776         GTlsCertificate *cert;
 777
 778         if (!file)
 779                 return;
 780
 781         if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
 782                 fprintf(stderr, "Could not read certificate file: %s\n", file);
 783                 return;
 784         }
 785
 786         uri = strstr(uri, "://") + sizeof("://") - 1;
 787         host = strndup(uri, strstr(uri, "/") - uri);
 788
 789         webkit_web_context_allow_tls_certificate_for_host(
 790             webkit_web_view_get_context(c->view), cert, host);
 791
 792         free(host);
 793 }
 794
 795 const char *
 796 getstyle(const char *uri)
 797 {
 798         int i;
 799
 800         if (stylefile)
 801                 return stylefile;
 802
 803         for (i = 0; i < LENGTH(styles); ++i) {
 804                 if (styles[i].regex &&
 805                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 806                         return styles[i].file;
 807         }
 808
 809         return "";
 810 }
 811
 812 void
 813 setstyle(Client *c, const char *file)
 814 {
 815         gchar *style;
 816
 817         if (!g_file_get_contents(file, &style, NULL, NULL)) {
 818                 fprintf(stderr, "Could not read style file: %s\n", file);
 819                 return;
 820         }
 821
 822         webkit_user_content_manager_add_style_sheet(
 823             webkit_web_view_get_user_content_manager(c->view),
 824             webkit_user_style_sheet_new(style,
 825             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 826             WEBKIT_USER_STYLE_LEVEL_USER,
 827             NULL, NULL));
 828
 829         g_free(style);
 830 }
 831
 832 void
 833 runscript(Client *c)
 834 {
 835         gchar *script;
 836         gsize l;
 837
 838         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 839                 evalscript(c, script);
 840         g_free(script);
 841 }
 842
 843 void
 844 evalscript(Client *c, const char *jsstr, ...)
 845 {
 846         va_list ap;
 847         gchar *script;
 848
 849         va_start(ap, jsstr);
 850         script = g_strdup_vprintf(jsstr, ap);
 851         va_end(ap);
 852
 853         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 854         g_free(script);
 855 }
 856
 857 void
 858 updatewinid(Client *c)
 859 {
 860         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 861 }
 862
 863 void
 864 handleplumb(Client *c, const char *uri)
 865 {
 866         Arg a = (Arg)PLUMB(uri);
 867         spawn(c, &a);
 868 }
 869
 870 void
 871 newwindow(Client *c, const Arg *a, int noembed)
 872 {
 873         int i = 0;
 874         char tmp[64];
 875         const char *cmd[28], *uri;
 876         const Arg arg = { .v = cmd };
 877
 878         cmd[i++] = argv0;
 879         cmd[i++] = "-a";
 880         cmd[i++] = curconfig[CookiePolicies].val.v;
 881         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 882         if (cookiefile && g_strcmp0(cookiefile, "")) {
 883                 cmd[i++] = "-c";
 884                 cmd[i++] = cookiefile;
 885         }
 886         if (stylefile && g_strcmp0(stylefile, "")) {
 887                 cmd[i++] = "-C";
 888                 cmd[i++] = stylefile;
 889         }
 890         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 891         if (embed && !noembed) {
 892                 cmd[i++] = "-e";
 893                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 894                 cmd[i++] = tmp;
 895         }
 896         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 897         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 898         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 899         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 900         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 901         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 902         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 903         if (scriptfile && g_strcmp0(scriptfile, "")) {
 904                 cmd[i++] = "-r";
 905                 cmd[i++] = scriptfile;
 906         }
 907         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 908         cmd[i++] = curconfig[StrictTLS].val.b ? "-T" : "-t";
 909         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 910                 cmd[i++] = "-u";
 911                 cmd[i++] = fulluseragent;
 912         }
 913         if (showxid)
 914                 cmd[i++] = "-x";
 915         /* do not keep zoom level */
 916         cmd[i++] = "--";
 917         if ((uri = a->v))
 918                 cmd[i++] = uri;
 919         cmd[i] = NULL;
 920
 921         spawn(c, &arg);
 922 }
 923
 924 void
 925 spawn(Client *c, const Arg *a)
 926 {
 927         if (fork() == 0) {
 928                 if (dpy)
 929                         close(ConnectionNumber(dpy));
 930                 setsid();
 931                 execvp(((char **)a->v)[0], (char **)a->v);
 932                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 933                 perror(" failed");
 934                 exit(1);
 935         }
 936 }
 937
 938 void
 939 destroyclient(Client *c)
 940 {
 941         Client *p;
 942
 943         webkit_web_view_stop_loading(c->view);
 944         /* Not needed, has already been called
 945         gtk_widget_destroy(c->win);
 946          */
 947
 948         for (p = clients; p && p->next != c; p = p->next)
 949                 ;
 950         if (p)
 951                 p->next = c->next;
 952         else
 953                 clients = c->next;
 954         free(c);
 955 }
 956
 957 void
 958 cleanup(void)
 959 {
 960         while (clients)
 961                 destroyclient(clients);
 962         g_free(cookiefile);
 963         g_free(scriptfile);
 964         g_free(stylefile);
 965         g_free(cachedir);
 966         XCloseDisplay(dpy);
 967 }
 968
 969 WebKitWebView *
 970 newview(Client *c, WebKitWebView *rv)
 971 {
 972         WebKitWebView *v;
 973         WebKitSettings *settings;
 974         WebKitUserContentManager *contentmanager;
 975         WebKitWebContext *context;
 976
 977         /* Webview */
 978         if (rv) {
 979                 v = WEBKIT_WEB_VIEW(
 980                     webkit_web_view_new_with_related_view(rv));
 981         } else {
 982                 settings = webkit_settings_new_with_settings(
 983                    "auto-load-images", curconfig[LoadImages].val.b,
 984                    "default-font-size", curconfig[FontSize].val.i,
 985                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 986                    "enable-developer-extras", curconfig[Inspector].val.b,
 987                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 988                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 989                    "enable-html5-database", curconfig[DiskCache].val.b,
 990                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 991                    "enable-javascript", curconfig[JavaScript].val.b,
 992                    "enable-plugins", curconfig[Plugins].val.b,
 993                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
 994                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
 995                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
 996                    NULL);
 997 /* For mor interesting settings, have a look at
 998  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
 999
1000                 if (strcmp(fulluseragent, "")) {
1001                         webkit_settings_set_user_agent(settings, fulluseragent);
1002                 } else if (surfuseragent) {
1003                         webkit_settings_set_user_agent_with_application_details(
1004                             settings, "Surf", VERSION);
1005                 }
1006                 useragent = webkit_settings_get_user_agent(settings);
1007
1008                 contentmanager = webkit_user_content_manager_new();
1009
1010                 context = webkit_web_context_new_with_website_data_manager(
1011                           webkit_website_data_manager_new(
1012                           "base-cache-directory", cachedir,
1013                           "base-data-directory", cachedir,
1014                           NULL));
1015
1016                 /* rendering process model, can be a shared unique one
1017                  * or one for each view */
1018                 webkit_web_context_set_process_model(context,
1019                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1020                 /* TLS */
1021                 webkit_web_context_set_tls_errors_policy(context,
1022                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
1023                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
1024                 /* disk cache */
1025                 webkit_web_context_set_cache_model(context,
1026                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
1027                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
1028
1029                 /* Currently only works with text file to be compatible with curl */
1030                 webkit_cookie_manager_set_persistent_storage(
1031                     webkit_web_context_get_cookie_manager(context), cookiefile,
1032                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1033                 /* cookie policy */
1034                 webkit_cookie_manager_set_accept_policy(
1035                     webkit_web_context_get_cookie_manager(context),
1036                     cookiepolicy_get());
1037                 /* languages */
1038                 webkit_web_context_set_preferred_languages(context,
1039                     curconfig[PreferredLanguages].val.v);
1040                 webkit_web_context_set_spell_checking_languages(context,
1041                     curconfig[SpellLanguages].val.v);
1042                 webkit_web_context_set_spell_checking_enabled(context,
1043                     curconfig[SpellChecking].val.b);
1044
1045                 g_signal_connect(G_OBJECT(context), "download-started",
1046                                  G_CALLBACK(downloadstarted), c);
1047                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
1048                                  G_CALLBACK(initwebextensions), c);
1049
1050                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
1051                     "settings", settings,
1052                     "user-content-manager", contentmanager,
1053                     "web-context", context,
1054                     NULL);
1055         }
1056
1057         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1058                          G_CALLBACK(progresschanged), c);
1059         g_signal_connect(G_OBJECT(v), "notify::title",
1060                          G_CALLBACK(titlechanged), c);
1061         g_signal_connect(G_OBJECT(v), "button-release-event",
1062                          G_CALLBACK(buttonreleased), c);
1063         g_signal_connect(G_OBJECT(v), "close",
1064                         G_CALLBACK(closeview), c);
1065         g_signal_connect(G_OBJECT(v), "create",
1066                          G_CALLBACK(createview), c);
1067         g_signal_connect(G_OBJECT(v), "decide-policy",
1068                          G_CALLBACK(decidepolicy), c);
1069         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1070                          G_CALLBACK(insecurecontent), c);
1071         g_signal_connect(G_OBJECT(v), "load-changed",
1072                          G_CALLBACK(loadchanged), c);
1073         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1074                          G_CALLBACK(mousetargetchanged), c);
1075         g_signal_connect(G_OBJECT(v), "permission-request",
1076                          G_CALLBACK(permissionrequested), c);
1077         g_signal_connect(G_OBJECT(v), "ready-to-show",
1078                          G_CALLBACK(showview), c);
1079
1080         return v;
1081 }
1082
1083 void
1084 initwebextensions(WebKitWebContext *wc, Client *c)
1085 {
1086         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1087 }
1088
1089 GtkWidget *
1090 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1091 {
1092         Client *n;
1093
1094         switch (webkit_navigation_action_get_navigation_type(a)) {
1095         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1096                 /*
1097                  * popup windows of type “other” are almost always triggered
1098                  * by user gesture, so inverse the logic here
1099                  */
1100 /* instead of this, compare destination uri to mouse-over uri for validating window */
1101                 if (webkit_navigation_action_is_user_gesture(a))
1102                         return NULL;
1103         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1104         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1105         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1106         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1107         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1108                 n = newclient(c);
1109                 break;
1110         default:
1111                 return NULL;
1112         }
1113
1114         return GTK_WIDGET(n->view);
1115 }
1116
1117 gboolean
1118 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1119 {
1120         WebKitHitTestResultContext element;
1121         int i;
1122
1123         element = webkit_hit_test_result_get_context(c->mousepos);
1124
1125         for (i = 0; i < LENGTH(buttons); ++i) {
1126                 if (element & buttons[i].target &&
1127                     e->button.button == buttons[i].button &&
1128                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1129                     buttons[i].func) {
1130                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1131                         return buttons[i].stopevent;
1132                 }
1133         }
1134
1135         return FALSE;
1136 }
1137
1138 GdkFilterReturn
1139 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1140 {
1141         Client *c = (Client *)d;
1142         XPropertyEvent *ev;
1143         Arg a;
1144
1145         if (((XEvent *)e)->type == PropertyNotify) {
1146                 ev = &((XEvent *)e)->xproperty;
1147                 if (ev->state == PropertyNewValue) {
1148                         if (ev->atom == atoms[AtomFind]) {
1149                                 find(c, NULL);
1150
1151                                 return GDK_FILTER_REMOVE;
1152                         } else if (ev->atom == atoms[AtomGo]) {
1153                                 a.v = getatom(c, AtomGo);
1154                                 loaduri(c, &a);
1155
1156                                 return GDK_FILTER_REMOVE;
1157                         }
1158                 }
1159         }
1160         return GDK_FILTER_CONTINUE;
1161 }
1162
1163 gboolean
1164 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1165 {
1166         int i;
1167
1168         switch (e->type) {
1169         case GDK_ENTER_NOTIFY:
1170                 c->overtitle = c->targeturi;
1171                 updatetitle(c);
1172                 break;
1173         case GDK_KEY_PRESS:
1174                 if (!curconfig[KioskMode].val.b) {
1175                         for (i = 0; i < LENGTH(keys); ++i) {
1176                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1177                                     keys[i].keyval &&
1178                                     CLEANMASK(e->key.state) == keys[i].mod &&
1179                                     keys[i].func) {
1180                                         updatewinid(c);
1181                                         keys[i].func(c, &(keys[i].arg));
1182                                         return TRUE;
1183                                 }
1184                         }
1185                 }
1186         case GDK_LEAVE_NOTIFY:
1187                 c->overtitle = NULL;
1188                 updatetitle(c);
1189                 break;
1190         case GDK_WINDOW_STATE:
1191                 if (e->window_state.changed_mask ==
1192                     GDK_WINDOW_STATE_FULLSCREEN)
1193                         c->fullscreen = e->window_state.new_window_state &
1194                                         GDK_WINDOW_STATE_FULLSCREEN;
1195                 break;
1196         default:
1197                 break;
1198         }
1199
1200         return FALSE;
1201 }
1202
1203 void
1204 showview(WebKitWebView *v, Client *c)
1205 {
1206         GdkRGBA bgcolor = { 0 };
1207         GdkWindow *gwin;
1208
1209         c->finder = webkit_web_view_get_find_controller(c->view);
1210         c->inspector = webkit_web_view_get_inspector(c->view);
1211
1212         c->win = createwindow(c);
1213
1214         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1215         gtk_widget_show_all(c->win);
1216         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1217
1218         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1219         c->xid = gdk_x11_window_get_xid(gwin);
1220         updatewinid(c);
1221         if (showxid) {
1222                 gdk_display_sync(gtk_widget_get_display(c->win));
1223                 puts(winid);
1224         }
1225
1226         if (curconfig[HideBackground].val.b)
1227                 webkit_web_view_set_background_color(c->view, &bgcolor);
1228
1229         if (!curconfig[KioskMode].val.b) {
1230                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1231                 gdk_window_add_filter(gwin, processx, c);
1232         }
1233
1234         if (curconfig[RunInFullscreen].val.b)
1235                 togglefullscreen(c, NULL);
1236
1237         if (curconfig[ZoomLevel].val.f != 1.0)
1238                 webkit_web_view_set_zoom_level(c->view,
1239                                                curconfig[ZoomLevel].val.f);
1240
1241         setatom(c, AtomFind, "");
1242         setatom(c, AtomUri, "about:blank");
1243 }
1244
1245 GtkWidget *
1246 createwindow(Client *c)
1247 {
1248         char *wmstr;
1249         GtkWidget *w;
1250
1251         if (embed) {
1252                 w = gtk_plug_new(embed);
1253         } else {
1254                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1255
1256                 wmstr = g_path_get_basename(argv0);
1257                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1258                 g_free(wmstr);
1259
1260                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1261                         webkit_web_view_get_page_id(c->view));
1262                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1263                 g_free(wmstr);
1264
1265                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1266         }
1267
1268         g_signal_connect(G_OBJECT(w), "destroy",
1269                          G_CALLBACK(destroywin), c);
1270         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1271                          G_CALLBACK(winevent), c);
1272         g_signal_connect(G_OBJECT(w), "key-press-event",
1273                          G_CALLBACK(winevent), c);
1274         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1275                          G_CALLBACK(winevent), c);
1276         g_signal_connect(G_OBJECT(w), "window-state-event",
1277                          G_CALLBACK(winevent), c);
1278
1279         return w;
1280 }
1281
1282 void
1283 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1284 {
1285         const char *title = geturi(c);
1286
1287         switch (e) {
1288         case WEBKIT_LOAD_STARTED:
1289                 curconfig = defconfig;
1290                 setatom(c, AtomUri, title);
1291                 c->title = title;
1292                 c->https = c->insecure = 0;
1293                 seturiparameters(c, geturi(c));
1294                 break;
1295         case WEBKIT_LOAD_REDIRECTED:
1296                 setatom(c, AtomUri, title);
1297                 c->title = title;
1298                 seturiparameters(c, geturi(c));
1299                 break;
1300         case WEBKIT_LOAD_COMMITTED:
1301                 c->https = webkit_web_view_get_tls_info(c->view, NULL,
1302                                                         &c->tlserr);
1303                 break;
1304         case WEBKIT_LOAD_FINISHED:
1305                 /* Disabled until we write some WebKitWebExtension for
1306                  * manipulating the DOM directly.
1307                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1308                     enablescrollbars ? "auto" : "hidden");
1309                 */
1310                 runscript(c);
1311                 break;
1312         }
1313         updatetitle(c);
1314 }
1315
1316 void
1317 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1318 {
1319         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1320                       100;
1321         updatetitle(c);
1322 }
1323
1324 void
1325 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1326 {
1327         c->title = webkit_web_view_get_title(c->view);
1328         updatetitle(c);
1329 }
1330
1331 void
1332 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1333     Client *c)
1334 {
1335         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1336
1337         /* Keep the hit test to know where is the pointer on the next click */
1338         c->mousepos = h;
1339
1340         if (hc & OnLink)
1341                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1342         else if (hc & OnImg)
1343                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1344         else if (hc & OnMedia)
1345                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1346         else
1347                 c->targeturi = NULL;
1348
1349         c->overtitle = c->targeturi;
1350         updatetitle(c);
1351 }
1352
1353 gboolean
1354 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1355 {
1356         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1357                 if (curconfig[Geolocation].val.b)
1358                         webkit_permission_request_allow(r);
1359                 else
1360                         webkit_permission_request_deny(r);
1361                 return TRUE;
1362         }
1363
1364         return FALSE;
1365 }
1366
1367 gboolean
1368 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1369     WebKitPolicyDecisionType dt, Client *c)
1370 {
1371         switch (dt) {
1372         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1373                 decidenavigation(d, c);
1374                 break;
1375         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1376                 decidenewwindow(d, c);
1377                 break;
1378         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1379                 decideresource(d, c);
1380                 break;
1381         default:
1382                 webkit_policy_decision_ignore(d);
1383                 break;
1384         }
1385         return TRUE;
1386 }
1387
1388 void
1389 decidenavigation(WebKitPolicyDecision *d, Client *c)
1390 {
1391         WebKitNavigationAction *a =
1392             webkit_navigation_policy_decision_get_navigation_action(
1393             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1394
1395         switch (webkit_navigation_action_get_navigation_type(a)) {
1396         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1397         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1398         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1399         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1400         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1401         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1402         default:
1403                 /* Do not navigate to links with a "_blank" target (popup) */
1404                 if (webkit_navigation_policy_decision_get_frame_name(
1405                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1406                         webkit_policy_decision_ignore(d);
1407                 } else {
1408                         /* Filter out navigation to different domain ? */
1409                         /* get action→urirequest, copy and load in new window+view
1410                          * on Ctrl+Click ? */
1411                         webkit_policy_decision_use(d);
1412                 }
1413                 break;
1414         }
1415 }
1416
1417 void
1418 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1419 {
1420         Arg arg;
1421         WebKitNavigationAction *a =
1422             webkit_navigation_policy_decision_get_navigation_action(
1423             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1424
1425
1426         switch (webkit_navigation_action_get_navigation_type(a)) {
1427         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1428         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1429         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1430         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1431         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1432                 /* Filter domains here */
1433 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1434  * test for link clicked but no button ? */
1435                 arg.v = webkit_uri_request_get_uri(
1436                         webkit_navigation_action_get_request(a));
1437                 newwindow(c, &arg, 0);
1438                 break;
1439         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1440         default:
1441                 break;
1442         }
1443
1444         webkit_policy_decision_ignore(d);
1445 }
1446
1447 void
1448 decideresource(WebKitPolicyDecision *d, Client *c)
1449 {
1450         int i, isascii = 1;
1451         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1452         WebKitURIResponse *res =
1453             webkit_response_policy_decision_get_response(r);
1454         const gchar *uri = webkit_uri_response_get_uri(res);
1455
1456         if (g_str_has_suffix(uri, "/favicon.ico")) {
1457                 webkit_policy_decision_ignore(d);
1458                 return;
1459         }
1460
1461         if (!g_str_has_prefix(uri, "http://")
1462             && !g_str_has_prefix(uri, "https://")
1463             && !g_str_has_prefix(uri, "about:")
1464             && !g_str_has_prefix(uri, "file://")
1465             && !g_str_has_prefix(uri, "data:")
1466             && !g_str_has_prefix(uri, "blob:")
1467             && strlen(uri) > 0) {
1468                 for (i = 0; i < strlen(uri); i++) {
1469                         if (!g_ascii_isprint(uri[i])) {
1470                                 isascii = 0;
1471                                 break;
1472                         }
1473                 }
1474                 if (isascii) {
1475                         handleplumb(c, uri);
1476                         webkit_policy_decision_ignore(d);
1477                         return;
1478                 }
1479         }
1480
1481         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1482                 webkit_policy_decision_use(d);
1483         } else {
1484                 webkit_policy_decision_ignore(d);
1485                 download(c, res);
1486         }
1487 }
1488
1489 void
1490 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1491 {
1492         c->insecure = 1;
1493 }
1494
1495 void
1496 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1497 {
1498         g_signal_connect(G_OBJECT(d), "notify::response",
1499                          G_CALLBACK(responsereceived), c);
1500 }
1501
1502 void
1503 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1504 {
1505         download(c, webkit_download_get_response(d));
1506         webkit_download_cancel(d);
1507 }
1508
1509 void
1510 download(Client *c, WebKitURIResponse *r)
1511 {
1512         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1513         spawn(c, &a);
1514 }
1515
1516 void
1517 closeview(WebKitWebView *v, Client *c)
1518 {
1519         gtk_widget_destroy(c->win);
1520 }
1521
1522 void
1523 destroywin(GtkWidget* w, Client *c)
1524 {
1525         destroyclient(c);
1526         if (!clients)
1527                 gtk_main_quit();
1528 }
1529
1530 void
1531 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1532 {
1533         Arg a = {.v = text };
1534         if (text)
1535                 loaduri((Client *) d, &a);
1536 }
1537
1538 void
1539 reload(Client *c, const Arg *a)
1540 {
1541         if (a->b)
1542                 webkit_web_view_reload_bypass_cache(c->view);
1543         else
1544                 webkit_web_view_reload(c->view);
1545 }
1546
1547 void
1548 print(Client *c, const Arg *a)
1549 {
1550         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1551                                           GTK_WINDOW(c->win));
1552 }
1553
1554 void
1555 clipboard(Client *c, const Arg *a)
1556 {
1557         if (a->b) { /* load clipboard uri */
1558                 gtk_clipboard_request_text(gtk_clipboard_get(
1559                                            GDK_SELECTION_PRIMARY),
1560                                            pasteuri, c);
1561         } else { /* copy uri */
1562                 gtk_clipboard_set_text(gtk_clipboard_get(
1563                                        GDK_SELECTION_PRIMARY), c->targeturi
1564                                        ? c->targeturi : geturi(c), -1);
1565         }
1566 }
1567
1568 void
1569 zoom(Client *c, const Arg *a)
1570 {
1571         if (a->i > 0)
1572                 webkit_web_view_set_zoom_level(c->view,
1573                                                curconfig[ZoomLevel].val.f + 0.1);
1574         else if (a->i < 0)
1575                 webkit_web_view_set_zoom_level(c->view,
1576                                                curconfig[ZoomLevel].val.f - 0.1);
1577         else
1578                 webkit_web_view_set_zoom_level(c->view, 1.0);
1579
1580         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1581 }
1582
1583 void
1584 scroll(Client *c, const Arg *a)
1585 {
1586         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1587
1588         gdk_event_set_device(ev, gdkkb);
1589         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1590         ev->key.state = GDK_CONTROL_MASK;
1591         ev->key.time = GDK_CURRENT_TIME;
1592
1593         switch (a->i) {
1594         case 'd':
1595                 ev->key.keyval = GDK_KEY_Down;
1596                 break;
1597         case 'D':
1598                 ev->key.keyval = GDK_KEY_Page_Down;
1599                 break;
1600         case 'l':
1601                 ev->key.keyval = GDK_KEY_Left;
1602                 break;
1603         case 'r':
1604                 ev->key.keyval = GDK_KEY_Right;
1605                 break;
1606         case 'U':
1607                 ev->key.keyval = GDK_KEY_Page_Up;
1608                 break;
1609         case 'u':
1610                 ev->key.keyval = GDK_KEY_Up;
1611                 break;
1612         }
1613
1614         gdk_event_put(ev);
1615 }
1616
1617 void
1618 navigate(Client *c, const Arg *a)
1619 {
1620         if (a->i < 0)
1621                 webkit_web_view_go_back(c->view);
1622         else if (a->i > 0)
1623                 webkit_web_view_go_forward(c->view);
1624 }
1625
1626 void
1627 stop(Client *c, const Arg *a)
1628 {
1629         webkit_web_view_stop_loading(c->view);
1630 }
1631
1632 void
1633 toggle(Client *c, const Arg *a)
1634 {
1635         curconfig[a->i].val.b ^= 1;
1636         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1637 }
1638
1639 void
1640 togglefullscreen(Client *c, const Arg *a)
1641 {
1642         /* toggling value is handled in winevent() */
1643         if (c->fullscreen)
1644                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1645         else
1646                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1647 }
1648
1649 void
1650 togglecookiepolicy(Client *c, const Arg *a)
1651 {
1652         ++cookiepolicy;
1653         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1654
1655         setparameter(c, 0, CookiePolicies, NULL);
1656 }
1657
1658 void
1659 toggleinspector(Client *c, const Arg *a)
1660 {
1661         if (webkit_web_inspector_is_attached(c->inspector))
1662                 webkit_web_inspector_close(c->inspector);
1663         else if (curconfig[Inspector].val.b)
1664                 webkit_web_inspector_show(c->inspector);
1665 }
1666
1667 void
1668 find(Client *c, const Arg *a)
1669 {
1670         const char *s, *f;
1671
1672         if (a && a->i) {
1673                 if (a->i > 0)
1674                         webkit_find_controller_search_next(c->finder);
1675                 else
1676                         webkit_find_controller_search_previous(c->finder);
1677         } else {
1678                 s = getatom(c, AtomFind);
1679                 f = webkit_find_controller_get_search_text(c->finder);
1680
1681                 if (g_strcmp0(f, s) == 0) /* reset search */
1682                         webkit_find_controller_search(c->finder, "", findopts,
1683                                                       G_MAXUINT);
1684
1685                 webkit_find_controller_search(c->finder, s, findopts,
1686                                               G_MAXUINT);
1687
1688                 if (strcmp(s, "") == 0)
1689                         webkit_find_controller_search_finish(c->finder);
1690         }
1691 }
1692
1693 void
1694 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1695 {
1696         navigate(c, a);
1697 }
1698
1699 void
1700 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1701 {
1702         Arg arg;
1703
1704         arg.v = webkit_hit_test_result_get_link_uri(h);
1705         newwindow(c, &arg, a->b);
1706 }
1707
1708 void
1709 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1710 {
1711         Arg arg;
1712
1713         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1714         spawn(c, &arg);
1715 }
1716
1717 int
1718 main(int argc, char *argv[])
1719 {
1720         Arg arg;
1721         Client *c;
1722
1723         memset(&arg, 0, sizeof(arg));
1724
1725         /* command line args */
1726         ARGBEGIN {
1727         case 'a':
1728                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1729                 break;
1730         case 'b':
1731                 defconfig CSETB(ScrollBars, 0);
1732                 break;
1733         case 'B':
1734                 defconfig CSETB(ScrollBars, 1);
1735                 break;
1736         case 'c':
1737                 cookiefile = EARGF(usage());
1738                 break;
1739         case 'C':
1740                 stylefile = EARGF(usage());
1741                 break;
1742         case 'd':
1743                 defconfig CSETB(DiskCache, 0);
1744                 break;
1745         case 'D':
1746                 defconfig CSETB(DiskCache, 1);
1747                 break;
1748         case 'e':
1749                 embed = strtol(EARGF(usage()), NULL, 0);
1750                 break;
1751         case 'f':
1752                 defconfig CSETB(RunInFullscreen, 0);
1753                 break;
1754         case 'F':
1755                 defconfig CSETB(RunInFullscreen, 1);
1756                 break;
1757         case 'g':
1758                 defconfig CSETB(Geolocation, 0);
1759                 break;
1760         case 'G':
1761                 defconfig CSETB(Geolocation, 1);
1762                 break;
1763         case 'i':
1764                 defconfig CSETB(LoadImages, 0);
1765                 break;
1766         case 'I':
1767                 defconfig CSETB(LoadImages, 1);
1768                 break;
1769         case 'k':
1770                 defconfig CSETB(KioskMode, 0);
1771                 break;
1772         case 'K':
1773                 defconfig CSETB(KioskMode, 1);
1774                 break;
1775         case 'm':
1776                 defconfig CSETB(Style, 0);
1777                 break;
1778         case 'M':
1779                 defconfig CSETB(Style, 1);
1780                 break;
1781         case 'n':
1782                 defconfig CSETB(Inspector, 0);
1783                 break;
1784         case 'N':
1785                 defconfig CSETB(Inspector, 1);
1786                 break;
1787         case 'p':
1788                 defconfig CSETB(Plugins, 0);
1789                 break;
1790         case 'P':
1791                 defconfig CSETB(Plugins, 1);
1792                 break;
1793         case 'r':
1794                 scriptfile = EARGF(usage());
1795                 break;
1796         case 's':
1797                 defconfig CSETB(JavaScript, 0);
1798                 break;
1799         case 'S':
1800                 defconfig CSETB(JavaScript, 1);
1801                 break;
1802         case 't':
1803                 defconfig CSETB(StrictTLS, 0);
1804                 break;
1805         case 'T':
1806                 defconfig CSETB(StrictTLS, 1);
1807                 break;
1808         case 'u':
1809                 fulluseragent = EARGF(usage());
1810                 break;
1811         case 'v':
1812                 die("surf-"VERSION", ©2009-2017 surf engineers, "
1813                     "see LICENSE for details\n");
1814         case 'x':
1815                 showxid = 1;
1816                 break;
1817         case 'z':
1818                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1819                 break;
1820         default:
1821                 usage();
1822         } ARGEND;
1823         if (argc > 0)
1824                 arg.v = argv[0];
1825         else
1826                 arg.v = "about:blank";
1827
1828         setup();
1829         c = newclient(NULL);
1830         showview(NULL, c);
1831
1832         loaduri(c, &arg);
1833         updatetitle(c);
1834
1835         gtk_main();
1836         cleanup();
1837
1838         return 0;
1839 }