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