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                         certs[i].file = g_strconcat(certdir, "/", certs[i].file,
 304                                                     NULL);
 305                 } else {
 306                         fprintf(stderr, "Could not compile regex: %s\n",
 307                                 certs[i].regex);
 308                         certs[i].regex = NULL;
 309                 }
 310         }
 311
 312         if (!stylefile) {
 313                 styledir = buildpath(styledir);
 314                 for (i = 0; i < LENGTH(styles); ++i) {
 315                         if (!regcomp(&(styles[i].re), styles[i].regex,
 316                             REG_EXTENDED)) {
 317                                 styles[i].file = g_strconcat(styledir, "/",
 318                                                     styles[i].file, NULL);
 319                         } else {
 320                                 fprintf(stderr, "Could not compile regex: %s\n",
 321                                         styles[i].regex);
 322                                 styles[i].regex = NULL;
 323                         }
 324                 }
 325                 g_free(styledir);
 326         } else {
 327                 stylefile = buildfile(stylefile);
 328         }
 329
 330         for (i = 0; i < LENGTH(uriparams); ++i) {
 331                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 332                     REG_EXTENDED)) {
 333                         /* copy default parameters if they are not already set
 334                          * or if they are forced */
 335                         for (j = 0; j < ParameterLast; ++j) {
 336                                 if (!uriparams[i].config[j].force ||
 337                                     defconfig[j].force)
 338                                         uriparams[i].config[j] = defconfig[j];
 339                         }
 340                 } else {
 341                         fprintf(stderr, "Could not compile regex: %s\n",
 342                                 uriparams[i].uri);
 343                         uriparams[i].uri = NULL;
 344                 }
 345         }
 346 }
 347
 348 void
 349 sigchld(int unused)
 350 {
 351         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 352                 die("Can't install SIGCHLD handler");
 353         while (waitpid(-1, NULL, WNOHANG) > 0)
 354                 ;
 355 }
 356
 357 void
 358 sighup(int unused)
 359 {
 360         Arg a = { .b = 0 };
 361         Client *c;
 362
 363         for (c = clients; c; c = c->next)
 364                 reload(c, &a);
 365 }
 366
 367 char *
 368 buildfile(const char *path)
 369 {
 370         char *dname, *bname, *bpath, *fpath;
 371         FILE *f;
 372
 373         dname = g_path_get_dirname(path);
 374         bname = g_path_get_basename(path);
 375
 376         bpath = buildpath(dname);
 377         g_free(dname);
 378
 379         fpath = g_build_filename(bpath, bname, NULL);
 380         g_free(bpath);
 381         g_free(bname);
 382
 383         if (!(f = fopen(fpath, "a")))
 384                 die("Could not open file: %s\n", fpath);
 385
 386         g_chmod(fpath, 0600); /* always */
 387         fclose(f);
 388
 389         return fpath;
 390 }
 391
 392 static const char*
 393 getuserhomedir(const char *user)
 394 {
 395         struct passwd *pw = getpwnam(user);
 396
 397         if (!pw)
 398                 die("Can't get user %s login information.\n", user);
 399
 400         return pw->pw_dir;
 401 }
 402
 403 static const char*
 404 getcurrentuserhomedir(void)
 405 {
 406         const char *homedir;
 407         const char *user;
 408         struct passwd *pw;
 409
 410         homedir = getenv("HOME");
 411         if (homedir)
 412                 return homedir;
 413
 414         user = getenv("USER");
 415         if (user)
 416                 return getuserhomedir(user);
 417
 418         pw = getpwuid(getuid());
 419         if (!pw)
 420                 die("Can't get current user home directory\n");
 421
 422         return pw->pw_dir;
 423 }
 424
 425 char *
 426 buildpath(const char *path)
 427 {
 428         char *apath, *name, *p, *fpath;
 429         const char *homedir;
 430
 431         if (path[0] == '~') {
 432                 if (path[1] == '/' || path[1] == '\0') {
 433                         p = (char *)&path[1];
 434                         homedir = getcurrentuserhomedir();
 435                 } else {
 436                         if ((p = strchr(path, '/')))
 437                                 name = g_strndup(&path[1], --p - path);
 438                         else
 439                                 name = g_strdup(&path[1]);
 440
 441                         homedir = getuserhomedir(name);
 442                         g_free(name);
 443                 }
 444                 apath = g_build_filename(homedir, p, NULL);
 445         } else {
 446                 apath = g_strdup(path);
 447         }
 448
 449         /* creating directory */
 450         if (g_mkdir_with_parents(apath, 0700) < 0)
 451                 die("Could not access directory: %s\n", apath);
 452
 453         fpath = realpath(apath, NULL);
 454         g_free(apath);
 455
 456         return fpath;
 457 }
 458
 459 Client *
 460 newclient(Client *rc)
 461 {
 462         Client *c;
 463
 464         if (!(c = calloc(1, sizeof(Client))))
 465                 die("Cannot malloc!\n");
 466
 467         c->next = clients;
 468         clients = c;
 469
 470         c->progress = 100;
 471         c->view = newview(c, rc ? rc->view : NULL);
 472
 473         return c;
 474 }
 475
 476 void
 477 loaduri(Client *c, const Arg *a)
 478 {
 479         struct stat st;
 480         char *url, *path;
 481         const char *uri = a->v;
 482
 483         if (g_strcmp0(uri, "") == 0)
 484                 return;
 485
 486         if (g_str_has_prefix(uri, "http://")  ||
 487             g_str_has_prefix(uri, "https://") ||
 488             g_str_has_prefix(uri, "file://")  ||
 489             g_str_has_prefix(uri, "about:")) {
 490                 url = g_strdup(uri);
 491         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 492                 url = g_strdup_printf("file://%s", path);
 493                 free(path);
 494         } else {
 495                 url = g_strdup_printf("http://%s", uri);
 496         }
 497
 498         setatom(c, AtomUri, url);
 499
 500         if (strcmp(url, geturi(c)) == 0) {
 501                 reload(c, a);
 502         } else {
 503                 webkit_web_view_load_uri(c->view, url);
 504                 updatetitle(c);
 505         }
 506
 507         g_free(url);
 508 }
 509
 510 const char *
 511 geturi(Client *c)
 512 {
 513         const char *uri;
 514
 515         if (!(uri = webkit_web_view_get_uri(c->view)))
 516                 uri = "about:blank";
 517         return uri;
 518 }
 519
 520 void
 521 setatom(Client *c, int a, const char *v)
 522 {
 523         XSync(dpy, False);
 524         XChangeProperty(dpy, c->xid,
 525                         atoms[a], XA_STRING, 8, PropModeReplace,
 526                         (unsigned char *)v, strlen(v) + 1);
 527 }
 528
 529 const char *
 530 getatom(Client *c, int a)
 531 {
 532         static char buf[BUFSIZ];
 533         Atom adummy;
 534         int idummy;
 535         unsigned long ldummy;
 536         unsigned char *p = NULL;
 537
 538         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 539                            &adummy, &idummy, &ldummy, &ldummy, &p);
 540         if (p)
 541                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 542         else
 543                 buf[0] = '\0';
 544         XFree(p);
 545
 546         return buf;
 547 }
 548
 549 void
 550 updatetitle(Client *c)
 551 {
 552         char *title;
 553         const char *name = c->overtitle ? c->overtitle :
 554                            c->title ? c->title : "";
 555
 556         if (curconfig[ShowIndicators].val.b) {
 557                 gettogglestats(c);
 558                 getpagestats(c);
 559
 560                 if (c->progress != 100)
 561                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 562                                 c->progress, togglestats, pagestats, name);
 563                 else
 564                         title = g_strdup_printf("%s:%s | %s",
 565                                 togglestats, pagestats, name);
 566
 567                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 568                 g_free(title);
 569         } else {
 570                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 571         }
 572 }
 573
 574 void
 575 gettogglestats(Client *c)
 576 {
 577         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 578         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 579         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 580         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 581         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 582         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 583         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 584         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 585         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 586         togglestats[9] = curconfig[StrictTLS].val.b ?       'T' : 't';
 587         togglestats[10] = '\0';
 588 }
 589
 590 void
 591 getpagestats(Client *c)
 592 {
 593         if (c->https)
 594                 pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
 595         else
 596                 pagestats[0] = '-';
 597         pagestats[1] = '\0';
 598 }
 599
 600 WebKitCookieAcceptPolicy
 601 cookiepolicy_get(void)
 602 {
 603         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 604         case 'a':
 605                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 606         case '@':
 607                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 608         default: /* fallthrough */
 609         case 'A':
 610                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 611         }
 612 }
 613
 614 char
 615 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 616 {
 617         switch (p) {
 618         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 619                 return 'a';
 620         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 621                 return '@';
 622         default: /* fallthrough */
 623         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 624                 return 'A';
 625         }
 626 }
 627
 628 void
 629 seturiparameters(Client *c, const char *uri)
 630 {
 631         int i;
 632
 633         for (i = 0; i < LENGTH(uriparams); ++i) {
 634                 if (uriparams[i].uri &&
 635                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 636                         curconfig = uriparams[i].config;
 637                         break;
 638                 }
 639         }
 640
 641         for (i = 0; i < ParameterLast; ++i)
 642                 setparameter(c, 0, i, &curconfig[i].val);
 643 }
 644
 645 void
 646 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 647 {
 648         GdkRGBA bgcolor = { 0 };
 649         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 650
 651         switch (p) {
 652         case AcceleratedCanvas:
 653                 webkit_settings_set_enable_accelerated_2d_canvas(s, a->b);
 654                 break;
 655         case CaretBrowsing:
 656                 webkit_settings_set_enable_caret_browsing(s, a->b);
 657                 refresh = 0;
 658                 break;
 659         case Certificate:
 660                 if (a->b)
 661                         setcert(c, geturi(c));
 662                 return; /* do not update */
 663         case CookiePolicies:
 664                 webkit_cookie_manager_set_accept_policy(
 665                     webkit_web_context_get_cookie_manager(
 666                     webkit_web_view_get_context(c->view)),
 667                     cookiepolicy_get());
 668                 refresh = 0;
 669                 break;
 670         case DiskCache:
 671                 webkit_web_context_set_cache_model(
 672                     webkit_web_view_get_context(c->view), a->b ?
 673                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 674                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 675                 return; /* do not update */
 676         case DNSPrefetch:
 677                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 678                 return; /* do not update */
 679         case FontSize:
 680                 webkit_settings_set_default_font_size(s, a->i);
 681                 return; /* do not update */
 682         case FrameFlattening:
 683                 webkit_settings_set_enable_frame_flattening(s, a->b);
 684                 break;
 685         case Geolocation:
 686                 refresh = 0;
 687                 break;
 688         case HideBackground:
 689                 if (a->b)
 690                         webkit_web_view_set_background_color(c->view, &bgcolor);
 691                 return; /* do not update */
 692         case Inspector:
 693                 webkit_settings_set_enable_developer_extras(s, a->b);
 694                 return; /* do not update */
 695         case JavaScript:
 696                 webkit_settings_set_enable_javascript(s, a->b);
 697                 break;
 698         case KioskMode:
 699                 return; /* do nothing */
 700         case LoadImages:
 701                 webkit_settings_set_auto_load_images(s, a->b);
 702                 break;
 703         case MediaManualPlay:
 704                 webkit_settings_set_media_playback_requires_user_gesture(s, a->b);
 705                 break;
 706         case Plugins:
 707                 webkit_settings_set_enable_plugins(s, a->b);
 708                 break;
 709         case PreferredLanguages:
 710                 return; /* do nothing */
 711         case RunInFullscreen:
 712                 return; /* do nothing */
 713         case ScrollBars:
 714                 /* Disabled until we write some WebKitWebExtension for
 715                  * manipulating the DOM directly.
 716                 enablescrollbars = !enablescrollbars;
 717                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 718                     enablescrollbars ? "auto" : "hidden");
 719                 */
 720                 return; /* do not update */
 721         case ShowIndicators:
 722                 break;
 723         case SiteQuirks:
 724                 webkit_settings_set_enable_site_specific_quirks(s, a->b);
 725                 break;
 726         case SpellChecking:
 727                 webkit_web_context_set_spell_checking_enabled(
 728                     webkit_web_view_get_context(c->view), a->b);
 729                 return; /* do not update */
 730         case SpellLanguages:
 731                 return; /* do nothing */
 732         case StrictTLS:
 733                 webkit_web_context_set_tls_errors_policy(
 734                     webkit_web_view_get_context(c->view), a->b ?
 735                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 736                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 737                 break;
 738         case Style:
 739                 if (a->b)
 740                         setstyle(c, getstyle(geturi(c)));
 741                 else
 742                         webkit_user_content_manager_remove_all_style_sheets(
 743                             webkit_web_view_get_user_content_manager(c->view));
 744                 refresh = 0;
 745                 break;
 746         case ZoomLevel:
 747                 webkit_web_view_set_zoom_level(c->view, a->f);
 748                 return; /* do not update */
 749         default:
 750                 return; /* do nothing */
 751         }
 752
 753         updatetitle(c);
 754         if (refresh)
 755                 reload(c, a);
 756 }
 757
 758 const char *
 759 getcert(const char *uri)
 760 {
 761         int i;
 762
 763         for (i = 0; i < LENGTH(certs); ++i) {
 764                 if (certs[i].regex &&
 765                     !regexec(&(certs[i].re), uri, 0, NULL, 0))
 766                         return certs[i].file;
 767         }
 768
 769         return NULL;
 770 }
 771
 772 void
 773 setcert(Client *c, const char *uri)
 774 {
 775         const char *file = getcert(uri);
 776         char *host;
 777         GTlsCertificate *cert;
 778
 779         if (!file)
 780                 return;
 781
 782         if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
 783                 fprintf(stderr, "Could not read certificate file: %s\n", file);
 784                 return;
 785         }
 786
 787         uri = strstr(uri, "://") + sizeof("://") - 1;
 788         host = strndup(uri, strstr(uri, "/") - uri);
 789
 790         webkit_web_context_allow_tls_certificate_for_host(
 791             webkit_web_view_get_context(c->view), cert, host);
 792         g_object_unref(cert);
 793
 794         free(host);
 795 }
 796
 797 const char *
 798 getstyle(const char *uri)
 799 {
 800         int i;
 801
 802         if (stylefile)
 803                 return stylefile;
 804
 805         for (i = 0; i < LENGTH(styles); ++i) {
 806                 if (styles[i].regex &&
 807                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 808                         return styles[i].file;
 809         }
 810
 811         return "";
 812 }
 813
 814 void
 815 setstyle(Client *c, const char *file)
 816 {
 817         gchar *style;
 818
 819         if (!g_file_get_contents(file, &style, NULL, NULL)) {
 820                 fprintf(stderr, "Could not read style file: %s\n", file);
 821                 return;
 822         }
 823
 824         webkit_user_content_manager_add_style_sheet(
 825             webkit_web_view_get_user_content_manager(c->view),
 826             webkit_user_style_sheet_new(style,
 827             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 828             WEBKIT_USER_STYLE_LEVEL_USER,
 829             NULL, NULL));
 830
 831         g_free(style);
 832 }
 833
 834 void
 835 runscript(Client *c)
 836 {
 837         gchar *script;
 838         gsize l;
 839
 840         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 841                 evalscript(c, script);
 842         g_free(script);
 843 }
 844
 845 void
 846 evalscript(Client *c, const char *jsstr, ...)
 847 {
 848         va_list ap;
 849         gchar *script;
 850
 851         va_start(ap, jsstr);
 852         script = g_strdup_vprintf(jsstr, ap);
 853         va_end(ap);
 854
 855         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 856         g_free(script);
 857 }
 858
 859 void
 860 updatewinid(Client *c)
 861 {
 862         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 863 }
 864
 865 void
 866 handleplumb(Client *c, const char *uri)
 867 {
 868         Arg a = (Arg)PLUMB(uri);
 869         spawn(c, &a);
 870 }
 871
 872 void
 873 newwindow(Client *c, const Arg *a, int noembed)
 874 {
 875         int i = 0;
 876         char tmp[64];
 877         const char *cmd[28], *uri;
 878         const Arg arg = { .v = cmd };
 879
 880         cmd[i++] = argv0;
 881         cmd[i++] = "-a";
 882         cmd[i++] = curconfig[CookiePolicies].val.v;
 883         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 884         if (cookiefile && g_strcmp0(cookiefile, "")) {
 885                 cmd[i++] = "-c";
 886                 cmd[i++] = cookiefile;
 887         }
 888         if (stylefile && g_strcmp0(stylefile, "")) {
 889                 cmd[i++] = "-C";
 890                 cmd[i++] = stylefile;
 891         }
 892         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 893         if (embed && !noembed) {
 894                 cmd[i++] = "-e";
 895                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 896                 cmd[i++] = tmp;
 897         }
 898         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 899         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 900         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 901         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 902         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 903         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 904         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 905         if (scriptfile && g_strcmp0(scriptfile, "")) {
 906                 cmd[i++] = "-r";
 907                 cmd[i++] = scriptfile;
 908         }
 909         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 910         cmd[i++] = curconfig[StrictTLS].val.b ? "-T" : "-t";
 911         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 912                 cmd[i++] = "-u";
 913                 cmd[i++] = fulluseragent;
 914         }
 915         if (showxid)
 916                 cmd[i++] = "-x";
 917         /* do not keep zoom level */
 918         cmd[i++] = "--";
 919         if ((uri = a->v))
 920                 cmd[i++] = uri;
 921         cmd[i] = NULL;
 922
 923         spawn(c, &arg);
 924 }
 925
 926 void
 927 spawn(Client *c, const Arg *a)
 928 {
 929         if (fork() == 0) {
 930                 if (dpy)
 931                         close(ConnectionNumber(dpy));
 932                 setsid();
 933                 execvp(((char **)a->v)[0], (char **)a->v);
 934                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 935                 perror(" failed");
 936                 exit(1);
 937         }
 938 }
 939
 940 void
 941 destroyclient(Client *c)
 942 {
 943         Client *p;
 944
 945         webkit_web_view_stop_loading(c->view);
 946         /* Not needed, has already been called
 947         gtk_widget_destroy(c->win);
 948          */
 949
 950         for (p = clients; p && p->next != c; p = p->next)
 951                 ;
 952         if (p)
 953                 p->next = c->next;
 954         else
 955                 clients = c->next;
 956         free(c);
 957 }
 958
 959 void
 960 cleanup(void)
 961 {
 962         while (clients)
 963                 destroyclient(clients);
 964         g_free(cookiefile);
 965         g_free(scriptfile);
 966         g_free(stylefile);
 967         g_free(cachedir);
 968         XCloseDisplay(dpy);
 969 }
 970
 971 WebKitWebView *
 972 newview(Client *c, WebKitWebView *rv)
 973 {
 974         WebKitWebView *v;
 975         WebKitSettings *settings;
 976         WebKitUserContentManager *contentmanager;
 977         WebKitWebContext *context;
 978
 979         /* Webview */
 980         if (rv) {
 981                 v = WEBKIT_WEB_VIEW(
 982                     webkit_web_view_new_with_related_view(rv));
 983         } else {
 984                 settings = webkit_settings_new_with_settings(
 985                    "auto-load-images", curconfig[LoadImages].val.b,
 986                    "default-font-size", curconfig[FontSize].val.i,
 987                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 988                    "enable-developer-extras", curconfig[Inspector].val.b,
 989                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 990                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 991                    "enable-html5-database", curconfig[DiskCache].val.b,
 992                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 993                    "enable-javascript", curconfig[JavaScript].val.b,
 994                    "enable-plugins", curconfig[Plugins].val.b,
 995                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
 996                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
 997                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
 998                    NULL);
 999 /* For mor interesting settings, have a look at
1000  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
1001
1002                 if (strcmp(fulluseragent, "")) {
1003                         webkit_settings_set_user_agent(settings, fulluseragent);
1004                 } else if (surfuseragent) {
1005                         webkit_settings_set_user_agent_with_application_details(
1006                             settings, "Surf", VERSION);
1007                 }
1008                 useragent = webkit_settings_get_user_agent(settings);
1009
1010                 contentmanager = webkit_user_content_manager_new();
1011
1012                 context = webkit_web_context_new_with_website_data_manager(
1013                           webkit_website_data_manager_new(
1014                           "base-cache-directory", cachedir,
1015                           "base-data-directory", cachedir,
1016                           NULL));
1017
1018                 /* rendering process model, can be a shared unique one
1019                  * or one for each view */
1020                 webkit_web_context_set_process_model(context,
1021                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1022                 /* TLS */
1023                 webkit_web_context_set_tls_errors_policy(context,
1024                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
1025                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
1026                 /* disk cache */
1027                 webkit_web_context_set_cache_model(context,
1028                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
1029                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
1030
1031                 /* Currently only works with text file to be compatible with curl */
1032                 webkit_cookie_manager_set_persistent_storage(
1033                     webkit_web_context_get_cookie_manager(context), cookiefile,
1034                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1035                 /* cookie policy */
1036                 webkit_cookie_manager_set_accept_policy(
1037                     webkit_web_context_get_cookie_manager(context),
1038                     cookiepolicy_get());
1039                 /* languages */
1040                 webkit_web_context_set_preferred_languages(context,
1041                     curconfig[PreferredLanguages].val.v);
1042                 webkit_web_context_set_spell_checking_languages(context,
1043                     curconfig[SpellLanguages].val.v);
1044                 webkit_web_context_set_spell_checking_enabled(context,
1045                     curconfig[SpellChecking].val.b);
1046
1047                 g_signal_connect(G_OBJECT(context), "download-started",
1048                                  G_CALLBACK(downloadstarted), c);
1049                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
1050                                  G_CALLBACK(initwebextensions), c);
1051
1052                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
1053                     "settings", settings,
1054                     "user-content-manager", contentmanager,
1055                     "web-context", context,
1056                     NULL);
1057         }
1058
1059         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1060                          G_CALLBACK(progresschanged), c);
1061         g_signal_connect(G_OBJECT(v), "notify::title",
1062                          G_CALLBACK(titlechanged), c);
1063         g_signal_connect(G_OBJECT(v), "button-release-event",
1064                          G_CALLBACK(buttonreleased), c);
1065         g_signal_connect(G_OBJECT(v), "close",
1066                         G_CALLBACK(closeview), c);
1067         g_signal_connect(G_OBJECT(v), "create",
1068                          G_CALLBACK(createview), c);
1069         g_signal_connect(G_OBJECT(v), "decide-policy",
1070                          G_CALLBACK(decidepolicy), c);
1071         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1072                          G_CALLBACK(insecurecontent), c);
1073         g_signal_connect(G_OBJECT(v), "load-changed",
1074                          G_CALLBACK(loadchanged), c);
1075         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1076                          G_CALLBACK(mousetargetchanged), c);
1077         g_signal_connect(G_OBJECT(v), "permission-request",
1078                          G_CALLBACK(permissionrequested), c);
1079         g_signal_connect(G_OBJECT(v), "ready-to-show",
1080                          G_CALLBACK(showview), c);
1081
1082         return v;
1083 }
1084
1085 void
1086 initwebextensions(WebKitWebContext *wc, Client *c)
1087 {
1088         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1089 }
1090
1091 GtkWidget *
1092 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1093 {
1094         Client *n;
1095
1096         switch (webkit_navigation_action_get_navigation_type(a)) {
1097         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1098                 /*
1099                  * popup windows of type “other” are almost always triggered
1100                  * by user gesture, so inverse the logic here
1101                  */
1102 /* instead of this, compare destination uri to mouse-over uri for validating window */
1103                 if (webkit_navigation_action_is_user_gesture(a))
1104                         return NULL;
1105         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1106         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1107         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1108         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1109         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1110                 n = newclient(c);
1111                 break;
1112         default:
1113                 return NULL;
1114         }
1115
1116         return GTK_WIDGET(n->view);
1117 }
1118
1119 gboolean
1120 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1121 {
1122         WebKitHitTestResultContext element;
1123         int i;
1124
1125         element = webkit_hit_test_result_get_context(c->mousepos);
1126
1127         for (i = 0; i < LENGTH(buttons); ++i) {
1128                 if (element & buttons[i].target &&
1129                     e->button.button == buttons[i].button &&
1130                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1131                     buttons[i].func) {
1132                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1133                         return buttons[i].stopevent;
1134                 }
1135         }
1136
1137         return FALSE;
1138 }
1139
1140 GdkFilterReturn
1141 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1142 {
1143         Client *c = (Client *)d;
1144         XPropertyEvent *ev;
1145         Arg a;
1146
1147         if (((XEvent *)e)->type == PropertyNotify) {
1148                 ev = &((XEvent *)e)->xproperty;
1149                 if (ev->state == PropertyNewValue) {
1150                         if (ev->atom == atoms[AtomFind]) {
1151                                 find(c, NULL);
1152
1153                                 return GDK_FILTER_REMOVE;
1154                         } else if (ev->atom == atoms[AtomGo]) {
1155                                 a.v = getatom(c, AtomGo);
1156                                 loaduri(c, &a);
1157
1158                                 return GDK_FILTER_REMOVE;
1159                         }
1160                 }
1161         }
1162         return GDK_FILTER_CONTINUE;
1163 }
1164
1165 gboolean
1166 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1167 {
1168         int i;
1169
1170         switch (e->type) {
1171         case GDK_ENTER_NOTIFY:
1172                 c->overtitle = c->targeturi;
1173                 updatetitle(c);
1174                 break;
1175         case GDK_KEY_PRESS:
1176                 if (!curconfig[KioskMode].val.b) {
1177                         for (i = 0; i < LENGTH(keys); ++i) {
1178                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1179                                     keys[i].keyval &&
1180                                     CLEANMASK(e->key.state) == keys[i].mod &&
1181                                     keys[i].func) {
1182                                         updatewinid(c);
1183                                         keys[i].func(c, &(keys[i].arg));
1184                                         return TRUE;
1185                                 }
1186                         }
1187                 }
1188         case GDK_LEAVE_NOTIFY:
1189                 c->overtitle = NULL;
1190                 updatetitle(c);
1191                 break;
1192         case GDK_WINDOW_STATE:
1193                 if (e->window_state.changed_mask ==
1194                     GDK_WINDOW_STATE_FULLSCREEN)
1195                         c->fullscreen = e->window_state.new_window_state &
1196                                         GDK_WINDOW_STATE_FULLSCREEN;
1197                 break;
1198         default:
1199                 break;
1200         }
1201
1202         return FALSE;
1203 }
1204
1205 void
1206 showview(WebKitWebView *v, Client *c)
1207 {
1208         GdkRGBA bgcolor = { 0 };
1209         GdkWindow *gwin;
1210
1211         c->finder = webkit_web_view_get_find_controller(c->view);
1212         c->inspector = webkit_web_view_get_inspector(c->view);
1213
1214         c->win = createwindow(c);
1215
1216         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1217         gtk_widget_show_all(c->win);
1218         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1219
1220         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1221         c->xid = gdk_x11_window_get_xid(gwin);
1222         updatewinid(c);
1223         if (showxid) {
1224                 gdk_display_sync(gtk_widget_get_display(c->win));
1225                 puts(winid);
1226         }
1227
1228         if (curconfig[HideBackground].val.b)
1229                 webkit_web_view_set_background_color(c->view, &bgcolor);
1230
1231         if (!curconfig[KioskMode].val.b) {
1232                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1233                 gdk_window_add_filter(gwin, processx, c);
1234         }
1235
1236         if (curconfig[RunInFullscreen].val.b)
1237                 togglefullscreen(c, NULL);
1238
1239         if (curconfig[ZoomLevel].val.f != 1.0)
1240                 webkit_web_view_set_zoom_level(c->view,
1241                                                curconfig[ZoomLevel].val.f);
1242
1243         setatom(c, AtomFind, "");
1244         setatom(c, AtomUri, "about:blank");
1245 }
1246
1247 GtkWidget *
1248 createwindow(Client *c)
1249 {
1250         char *wmstr;
1251         GtkWidget *w;
1252
1253         if (embed) {
1254                 w = gtk_plug_new(embed);
1255         } else {
1256                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1257
1258                 wmstr = g_path_get_basename(argv0);
1259                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1260                 g_free(wmstr);
1261
1262                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1263                         webkit_web_view_get_page_id(c->view));
1264                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1265                 g_free(wmstr);
1266
1267                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1268         }
1269
1270         g_signal_connect(G_OBJECT(w), "destroy",
1271                          G_CALLBACK(destroywin), c);
1272         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1273                          G_CALLBACK(winevent), c);
1274         g_signal_connect(G_OBJECT(w), "key-press-event",
1275                          G_CALLBACK(winevent), c);
1276         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1277                          G_CALLBACK(winevent), c);
1278         g_signal_connect(G_OBJECT(w), "window-state-event",
1279                          G_CALLBACK(winevent), c);
1280
1281         return w;
1282 }
1283
1284 void
1285 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1286 {
1287         const char *title = geturi(c);
1288
1289         switch (e) {
1290         case WEBKIT_LOAD_STARTED:
1291                 curconfig = defconfig;
1292                 setatom(c, AtomUri, title);
1293                 c->title = title;
1294                 c->https = c->insecure = 0;
1295                 seturiparameters(c, geturi(c));
1296                 break;
1297         case WEBKIT_LOAD_REDIRECTED:
1298                 setatom(c, AtomUri, title);
1299                 c->title = title;
1300                 seturiparameters(c, geturi(c));
1301                 break;
1302         case WEBKIT_LOAD_COMMITTED:
1303                 c->https = webkit_web_view_get_tls_info(c->view, NULL,
1304                                                         &c->tlserr);
1305                 break;
1306         case WEBKIT_LOAD_FINISHED:
1307                 /* Disabled until we write some WebKitWebExtension for
1308                  * manipulating the DOM directly.
1309                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1310                     enablescrollbars ? "auto" : "hidden");
1311                 */
1312                 runscript(c);
1313                 break;
1314         }
1315         updatetitle(c);
1316 }
1317
1318 void
1319 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1320 {
1321         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1322                       100;
1323         updatetitle(c);
1324 }
1325
1326 void
1327 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1328 {
1329         c->title = webkit_web_view_get_title(c->view);
1330         updatetitle(c);
1331 }
1332
1333 void
1334 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1335     Client *c)
1336 {
1337         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1338
1339         /* Keep the hit test to know where is the pointer on the next click */
1340         c->mousepos = h;
1341
1342         if (hc & OnLink)
1343                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1344         else if (hc & OnImg)
1345                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1346         else if (hc & OnMedia)
1347                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1348         else
1349                 c->targeturi = NULL;
1350
1351         c->overtitle = c->targeturi;
1352         updatetitle(c);
1353 }
1354
1355 gboolean
1356 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1357 {
1358         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1359                 if (curconfig[Geolocation].val.b)
1360                         webkit_permission_request_allow(r);
1361                 else
1362                         webkit_permission_request_deny(r);
1363                 return TRUE;
1364         }
1365
1366         return FALSE;
1367 }
1368
1369 gboolean
1370 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1371     WebKitPolicyDecisionType dt, Client *c)
1372 {
1373         switch (dt) {
1374         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1375                 decidenavigation(d, c);
1376                 break;
1377         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1378                 decidenewwindow(d, c);
1379                 break;
1380         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1381                 decideresource(d, c);
1382                 break;
1383         default:
1384                 webkit_policy_decision_ignore(d);
1385                 break;
1386         }
1387         return TRUE;
1388 }
1389
1390 void
1391 decidenavigation(WebKitPolicyDecision *d, Client *c)
1392 {
1393         WebKitNavigationAction *a =
1394             webkit_navigation_policy_decision_get_navigation_action(
1395             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1396
1397         switch (webkit_navigation_action_get_navigation_type(a)) {
1398         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1399         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1400         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1401         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1402         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1403         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1404         default:
1405                 /* Do not navigate to links with a "_blank" target (popup) */
1406                 if (webkit_navigation_policy_decision_get_frame_name(
1407                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1408                         webkit_policy_decision_ignore(d);
1409                 } else {
1410                         /* Filter out navigation to different domain ? */
1411                         /* get action→urirequest, copy and load in new window+view
1412                          * on Ctrl+Click ? */
1413                         webkit_policy_decision_use(d);
1414                 }
1415                 break;
1416         }
1417 }
1418
1419 void
1420 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1421 {
1422         Arg arg;
1423         WebKitNavigationAction *a =
1424             webkit_navigation_policy_decision_get_navigation_action(
1425             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1426
1427
1428         switch (webkit_navigation_action_get_navigation_type(a)) {
1429         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1430         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1431         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1432         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1433         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1434                 /* Filter domains here */
1435 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1436  * test for link clicked but no button ? */
1437                 arg.v = webkit_uri_request_get_uri(
1438                         webkit_navigation_action_get_request(a));
1439                 newwindow(c, &arg, 0);
1440                 break;
1441         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1442         default:
1443                 break;
1444         }
1445
1446         webkit_policy_decision_ignore(d);
1447 }
1448
1449 void
1450 decideresource(WebKitPolicyDecision *d, Client *c)
1451 {
1452         int i, isascii = 1;
1453         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1454         WebKitURIResponse *res =
1455             webkit_response_policy_decision_get_response(r);
1456         const gchar *uri = webkit_uri_response_get_uri(res);
1457
1458         if (g_str_has_suffix(uri, "/favicon.ico")) {
1459                 webkit_policy_decision_ignore(d);
1460                 return;
1461         }
1462
1463         if (!g_str_has_prefix(uri, "http://")
1464             && !g_str_has_prefix(uri, "https://")
1465             && !g_str_has_prefix(uri, "about:")
1466             && !g_str_has_prefix(uri, "file://")
1467             && !g_str_has_prefix(uri, "data:")
1468             && !g_str_has_prefix(uri, "blob:")
1469             && strlen(uri) > 0) {
1470                 for (i = 0; i < strlen(uri); i++) {
1471                         if (!g_ascii_isprint(uri[i])) {
1472                                 isascii = 0;
1473                                 break;
1474                         }
1475                 }
1476                 if (isascii) {
1477                         handleplumb(c, uri);
1478                         webkit_policy_decision_ignore(d);
1479                         return;
1480                 }
1481         }
1482
1483         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1484                 webkit_policy_decision_use(d);
1485         } else {
1486                 webkit_policy_decision_ignore(d);
1487                 download(c, res);
1488         }
1489 }
1490
1491 void
1492 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1493 {
1494         c->insecure = 1;
1495 }
1496
1497 void
1498 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1499 {
1500         g_signal_connect(G_OBJECT(d), "notify::response",
1501                          G_CALLBACK(responsereceived), c);
1502 }
1503
1504 void
1505 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1506 {
1507         download(c, webkit_download_get_response(d));
1508         webkit_download_cancel(d);
1509 }
1510
1511 void
1512 download(Client *c, WebKitURIResponse *r)
1513 {
1514         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1515         spawn(c, &a);
1516 }
1517
1518 void
1519 closeview(WebKitWebView *v, Client *c)
1520 {
1521         gtk_widget_destroy(c->win);
1522 }
1523
1524 void
1525 destroywin(GtkWidget* w, Client *c)
1526 {
1527         destroyclient(c);
1528         if (!clients)
1529                 gtk_main_quit();
1530 }
1531
1532 void
1533 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1534 {
1535         Arg a = {.v = text };
1536         if (text)
1537                 loaduri((Client *) d, &a);
1538 }
1539
1540 void
1541 reload(Client *c, const Arg *a)
1542 {
1543         if (a->b)
1544                 webkit_web_view_reload_bypass_cache(c->view);
1545         else
1546                 webkit_web_view_reload(c->view);
1547 }
1548
1549 void
1550 print(Client *c, const Arg *a)
1551 {
1552         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1553                                           GTK_WINDOW(c->win));
1554 }
1555
1556 void
1557 clipboard(Client *c, const Arg *a)
1558 {
1559         if (a->b) { /* load clipboard uri */
1560                 gtk_clipboard_request_text(gtk_clipboard_get(
1561                                            GDK_SELECTION_PRIMARY),
1562                                            pasteuri, c);
1563         } else { /* copy uri */
1564                 gtk_clipboard_set_text(gtk_clipboard_get(
1565                                        GDK_SELECTION_PRIMARY), c->targeturi
1566                                        ? c->targeturi : geturi(c), -1);
1567         }
1568 }
1569
1570 void
1571 zoom(Client *c, const Arg *a)
1572 {
1573         if (a->i > 0)
1574                 webkit_web_view_set_zoom_level(c->view,
1575                                                curconfig[ZoomLevel].val.f + 0.1);
1576         else if (a->i < 0)
1577                 webkit_web_view_set_zoom_level(c->view,
1578                                                curconfig[ZoomLevel].val.f - 0.1);
1579         else
1580                 webkit_web_view_set_zoom_level(c->view, 1.0);
1581
1582         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1583 }
1584
1585 void
1586 scroll(Client *c, const Arg *a)
1587 {
1588         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1589
1590         gdk_event_set_device(ev, gdkkb);
1591         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1592         ev->key.state = GDK_CONTROL_MASK;
1593         ev->key.time = GDK_CURRENT_TIME;
1594
1595         switch (a->i) {
1596         case 'd':
1597                 ev->key.keyval = GDK_KEY_Down;
1598                 break;
1599         case 'D':
1600                 ev->key.keyval = GDK_KEY_Page_Down;
1601                 break;
1602         case 'l':
1603                 ev->key.keyval = GDK_KEY_Left;
1604                 break;
1605         case 'r':
1606                 ev->key.keyval = GDK_KEY_Right;
1607                 break;
1608         case 'U':
1609                 ev->key.keyval = GDK_KEY_Page_Up;
1610                 break;
1611         case 'u':
1612                 ev->key.keyval = GDK_KEY_Up;
1613                 break;
1614         }
1615
1616         gdk_event_put(ev);
1617 }
1618
1619 void
1620 navigate(Client *c, const Arg *a)
1621 {
1622         if (a->i < 0)
1623                 webkit_web_view_go_back(c->view);
1624         else if (a->i > 0)
1625                 webkit_web_view_go_forward(c->view);
1626 }
1627
1628 void
1629 stop(Client *c, const Arg *a)
1630 {
1631         webkit_web_view_stop_loading(c->view);
1632 }
1633
1634 void
1635 toggle(Client *c, const Arg *a)
1636 {
1637         curconfig[a->i].val.b ^= 1;
1638         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1639 }
1640
1641 void
1642 togglefullscreen(Client *c, const Arg *a)
1643 {
1644         /* toggling value is handled in winevent() */
1645         if (c->fullscreen)
1646                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1647         else
1648                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1649 }
1650
1651 void
1652 togglecookiepolicy(Client *c, const Arg *a)
1653 {
1654         ++cookiepolicy;
1655         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1656
1657         setparameter(c, 0, CookiePolicies, NULL);
1658 }
1659
1660 void
1661 toggleinspector(Client *c, const Arg *a)
1662 {
1663         if (webkit_web_inspector_is_attached(c->inspector))
1664                 webkit_web_inspector_close(c->inspector);
1665         else if (curconfig[Inspector].val.b)
1666                 webkit_web_inspector_show(c->inspector);
1667 }
1668
1669 void
1670 find(Client *c, const Arg *a)
1671 {
1672         const char *s, *f;
1673
1674         if (a && a->i) {
1675                 if (a->i > 0)
1676                         webkit_find_controller_search_next(c->finder);
1677                 else
1678                         webkit_find_controller_search_previous(c->finder);
1679         } else {
1680                 s = getatom(c, AtomFind);
1681                 f = webkit_find_controller_get_search_text(c->finder);
1682
1683                 if (g_strcmp0(f, s) == 0) /* reset search */
1684                         webkit_find_controller_search(c->finder, "", findopts,
1685                                                       G_MAXUINT);
1686
1687                 webkit_find_controller_search(c->finder, s, findopts,
1688                                               G_MAXUINT);
1689
1690                 if (strcmp(s, "") == 0)
1691                         webkit_find_controller_search_finish(c->finder);
1692         }
1693 }
1694
1695 void
1696 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1697 {
1698         navigate(c, a);
1699 }
1700
1701 void
1702 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1703 {
1704         Arg arg;
1705
1706         arg.v = webkit_hit_test_result_get_link_uri(h);
1707         newwindow(c, &arg, a->b);
1708 }
1709
1710 void
1711 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1712 {
1713         Arg arg;
1714
1715         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1716         spawn(c, &arg);
1717 }
1718
1719 int
1720 main(int argc, char *argv[])
1721 {
1722         Arg arg;
1723         Client *c;
1724
1725         memset(&arg, 0, sizeof(arg));
1726
1727         /* command line args */
1728         ARGBEGIN {
1729         case 'a':
1730                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1731                 break;
1732         case 'b':
1733                 defconfig CSETB(ScrollBars, 0);
1734                 break;
1735         case 'B':
1736                 defconfig CSETB(ScrollBars, 1);
1737                 break;
1738         case 'c':
1739                 cookiefile = EARGF(usage());
1740                 break;
1741         case 'C':
1742                 stylefile = EARGF(usage());
1743                 break;
1744         case 'd':
1745                 defconfig CSETB(DiskCache, 0);
1746                 break;
1747         case 'D':
1748                 defconfig CSETB(DiskCache, 1);
1749                 break;
1750         case 'e':
1751                 embed = strtol(EARGF(usage()), NULL, 0);
1752                 break;
1753         case 'f':
1754                 defconfig CSETB(RunInFullscreen, 0);
1755                 break;
1756         case 'F':
1757                 defconfig CSETB(RunInFullscreen, 1);
1758                 break;
1759         case 'g':
1760                 defconfig CSETB(Geolocation, 0);
1761                 break;
1762         case 'G':
1763                 defconfig CSETB(Geolocation, 1);
1764                 break;
1765         case 'i':
1766                 defconfig CSETB(LoadImages, 0);
1767                 break;
1768         case 'I':
1769                 defconfig CSETB(LoadImages, 1);
1770                 break;
1771         case 'k':
1772                 defconfig CSETB(KioskMode, 0);
1773                 break;
1774         case 'K':
1775                 defconfig CSETB(KioskMode, 1);
1776                 break;
1777         case 'm':
1778                 defconfig CSETB(Style, 0);
1779                 break;
1780         case 'M':
1781                 defconfig CSETB(Style, 1);
1782                 break;
1783         case 'n':
1784                 defconfig CSETB(Inspector, 0);
1785                 break;
1786         case 'N':
1787                 defconfig CSETB(Inspector, 1);
1788                 break;
1789         case 'p':
1790                 defconfig CSETB(Plugins, 0);
1791                 break;
1792         case 'P':
1793                 defconfig CSETB(Plugins, 1);
1794                 break;
1795         case 'r':
1796                 scriptfile = EARGF(usage());
1797                 break;
1798         case 's':
1799                 defconfig CSETB(JavaScript, 0);
1800                 break;
1801         case 'S':
1802                 defconfig CSETB(JavaScript, 1);
1803                 break;
1804         case 't':
1805                 defconfig CSETB(StrictTLS, 0);
1806                 break;
1807         case 'T':
1808                 defconfig CSETB(StrictTLS, 1);
1809                 break;
1810         case 'u':
1811                 fulluseragent = EARGF(usage());
1812                 break;
1813         case 'v':
1814                 die("surf-"VERSION", ©2009-2017 surf engineers, "
1815                     "see LICENSE for details\n");
1816         case 'x':
1817                 showxid = 1;
1818                 break;
1819         case 'z':
1820                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1821                 break;
1822         default:
1823                 usage();
1824         } ARGEND;
1825         if (argc > 0)
1826                 arg.v = argv[0];
1827         else
1828                 arg.v = "about:blank";
1829
1830         setup();
1831         c = newclient(NULL);
1832         showview(NULL, c);
1833
1834         loaduri(c, &arg);
1835         updatetitle(c);
1836
1837         gtk_main();
1838         cleanup();
1839
1840         return 0;
1841 }