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
 793         free(host);
 794 }
 795
 796 const char *
 797 getstyle(const char *uri)
 798 {
 799         int i;
 800
 801         if (stylefile)
 802                 return stylefile;
 803
 804         for (i = 0; i < LENGTH(styles); ++i) {
 805                 if (styles[i].regex &&
 806                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 807                         return styles[i].file;
 808         }
 809
 810         return "";
 811 }
 812
 813 void
 814 setstyle(Client *c, const char *file)
 815 {
 816         gchar *style;
 817
 818         if (!g_file_get_contents(file, &style, NULL, NULL)) {
 819                 fprintf(stderr, "Could not read style file: %s\n", file);
 820                 return;
 821         }
 822
 823         webkit_user_content_manager_add_style_sheet(
 824             webkit_web_view_get_user_content_manager(c->view),
 825             webkit_user_style_sheet_new(style,
 826             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 827             WEBKIT_USER_STYLE_LEVEL_USER,
 828             NULL, NULL));
 829
 830         g_free(style);
 831 }
 832
 833 void
 834 runscript(Client *c)
 835 {
 836         gchar *script;
 837         gsize l;
 838
 839         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 840                 evalscript(c, script);
 841         g_free(script);
 842 }
 843
 844 void
 845 evalscript(Client *c, const char *jsstr, ...)
 846 {
 847         va_list ap;
 848         gchar *script;
 849
 850         va_start(ap, jsstr);
 851         script = g_strdup_vprintf(jsstr, ap);
 852         va_end(ap);
 853
 854         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 855         g_free(script);
 856 }
 857
 858 void
 859 updatewinid(Client *c)
 860 {
 861         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 862 }
 863
 864 void
 865 handleplumb(Client *c, const char *uri)
 866 {
 867         Arg a = (Arg)PLUMB(uri);
 868         spawn(c, &a);
 869 }
 870
 871 void
 872 newwindow(Client *c, const Arg *a, int noembed)
 873 {
 874         int i = 0;
 875         char tmp[64];
 876         const char *cmd[28], *uri;
 877         const Arg arg = { .v = cmd };
 878
 879         cmd[i++] = argv0;
 880         cmd[i++] = "-a";
 881         cmd[i++] = curconfig[CookiePolicies].val.v;
 882         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 883         if (cookiefile && g_strcmp0(cookiefile, "")) {
 884                 cmd[i++] = "-c";
 885                 cmd[i++] = cookiefile;
 886         }
 887         if (stylefile && g_strcmp0(stylefile, "")) {
 888                 cmd[i++] = "-C";
 889                 cmd[i++] = stylefile;
 890         }
 891         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 892         if (embed && !noembed) {
 893                 cmd[i++] = "-e";
 894                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 895                 cmd[i++] = tmp;
 896         }
 897         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 898         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 899         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 900         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 901         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 902         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 903         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 904         if (scriptfile && g_strcmp0(scriptfile, "")) {
 905                 cmd[i++] = "-r";
 906                 cmd[i++] = scriptfile;
 907         }
 908         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 909         cmd[i++] = curconfig[StrictTLS].val.b ? "-T" : "-t";
 910         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 911                 cmd[i++] = "-u";
 912                 cmd[i++] = fulluseragent;
 913         }
 914         if (showxid)
 915                 cmd[i++] = "-x";
 916         /* do not keep zoom level */
 917         cmd[i++] = "--";
 918         if ((uri = a->v))
 919                 cmd[i++] = uri;
 920         cmd[i] = NULL;
 921
 922         spawn(c, &arg);
 923 }
 924
 925 void
 926 spawn(Client *c, const Arg *a)
 927 {
 928         if (fork() == 0) {
 929                 if (dpy)
 930                         close(ConnectionNumber(dpy));
 931                 setsid();
 932                 execvp(((char **)a->v)[0], (char **)a->v);
 933                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 934                 perror(" failed");
 935                 exit(1);
 936         }
 937 }
 938
 939 void
 940 destroyclient(Client *c)
 941 {
 942         Client *p;
 943
 944         webkit_web_view_stop_loading(c->view);
 945         /* Not needed, has already been called
 946         gtk_widget_destroy(c->win);
 947          */
 948
 949         for (p = clients; p && p->next != c; p = p->next)
 950                 ;
 951         if (p)
 952                 p->next = c->next;
 953         else
 954                 clients = c->next;
 955         free(c);
 956 }
 957
 958 void
 959 cleanup(void)
 960 {
 961         while (clients)
 962                 destroyclient(clients);
 963         g_free(cookiefile);
 964         g_free(scriptfile);
 965         g_free(stylefile);
 966         g_free(cachedir);
 967         XCloseDisplay(dpy);
 968 }
 969
 970 WebKitWebView *
 971 newview(Client *c, WebKitWebView *rv)
 972 {
 973         WebKitWebView *v;
 974         WebKitSettings *settings;
 975         WebKitUserContentManager *contentmanager;
 976         WebKitWebContext *context;
 977
 978         /* Webview */
 979         if (rv) {
 980                 v = WEBKIT_WEB_VIEW(
 981                     webkit_web_view_new_with_related_view(rv));
 982         } else {
 983                 settings = webkit_settings_new_with_settings(
 984                    "auto-load-images", curconfig[LoadImages].val.b,
 985                    "default-font-size", curconfig[FontSize].val.i,
 986                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
 987                    "enable-developer-extras", curconfig[Inspector].val.b,
 988                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
 989                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
 990                    "enable-html5-database", curconfig[DiskCache].val.b,
 991                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
 992                    "enable-javascript", curconfig[JavaScript].val.b,
 993                    "enable-plugins", curconfig[Plugins].val.b,
 994                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
 995                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
 996                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
 997                    NULL);
 998 /* For mor interesting settings, have a look at
 999  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
1000
1001                 if (strcmp(fulluseragent, "")) {
1002                         webkit_settings_set_user_agent(settings, fulluseragent);
1003                 } else if (surfuseragent) {
1004                         webkit_settings_set_user_agent_with_application_details(
1005                             settings, "Surf", VERSION);
1006                 }
1007                 useragent = webkit_settings_get_user_agent(settings);
1008
1009                 contentmanager = webkit_user_content_manager_new();
1010
1011                 context = webkit_web_context_new_with_website_data_manager(
1012                           webkit_website_data_manager_new(
1013                           "base-cache-directory", cachedir,
1014                           "base-data-directory", cachedir,
1015                           NULL));
1016
1017                 /* rendering process model, can be a shared unique one
1018                  * or one for each view */
1019                 webkit_web_context_set_process_model(context,
1020                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1021                 /* TLS */
1022                 webkit_web_context_set_tls_errors_policy(context,
1023                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
1024                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
1025                 /* disk cache */
1026                 webkit_web_context_set_cache_model(context,
1027                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
1028                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
1029
1030                 /* Currently only works with text file to be compatible with curl */
1031                 webkit_cookie_manager_set_persistent_storage(
1032                     webkit_web_context_get_cookie_manager(context), cookiefile,
1033                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1034                 /* cookie policy */
1035                 webkit_cookie_manager_set_accept_policy(
1036                     webkit_web_context_get_cookie_manager(context),
1037                     cookiepolicy_get());
1038                 /* languages */
1039                 webkit_web_context_set_preferred_languages(context,
1040                     curconfig[PreferredLanguages].val.v);
1041                 webkit_web_context_set_spell_checking_languages(context,
1042                     curconfig[SpellLanguages].val.v);
1043                 webkit_web_context_set_spell_checking_enabled(context,
1044                     curconfig[SpellChecking].val.b);
1045
1046                 g_signal_connect(G_OBJECT(context), "download-started",
1047                                  G_CALLBACK(downloadstarted), c);
1048                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
1049                                  G_CALLBACK(initwebextensions), c);
1050
1051                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
1052                     "settings", settings,
1053                     "user-content-manager", contentmanager,
1054                     "web-context", context,
1055                     NULL);
1056         }
1057
1058         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1059                          G_CALLBACK(progresschanged), c);
1060         g_signal_connect(G_OBJECT(v), "notify::title",
1061                          G_CALLBACK(titlechanged), c);
1062         g_signal_connect(G_OBJECT(v), "button-release-event",
1063                          G_CALLBACK(buttonreleased), c);
1064         g_signal_connect(G_OBJECT(v), "close",
1065                         G_CALLBACK(closeview), c);
1066         g_signal_connect(G_OBJECT(v), "create",
1067                          G_CALLBACK(createview), c);
1068         g_signal_connect(G_OBJECT(v), "decide-policy",
1069                          G_CALLBACK(decidepolicy), c);
1070         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1071                          G_CALLBACK(insecurecontent), c);
1072         g_signal_connect(G_OBJECT(v), "load-changed",
1073                          G_CALLBACK(loadchanged), c);
1074         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1075                          G_CALLBACK(mousetargetchanged), c);
1076         g_signal_connect(G_OBJECT(v), "permission-request",
1077                          G_CALLBACK(permissionrequested), c);
1078         g_signal_connect(G_OBJECT(v), "ready-to-show",
1079                          G_CALLBACK(showview), c);
1080
1081         return v;
1082 }
1083
1084 void
1085 initwebextensions(WebKitWebContext *wc, Client *c)
1086 {
1087         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1088 }
1089
1090 GtkWidget *
1091 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1092 {
1093         Client *n;
1094
1095         switch (webkit_navigation_action_get_navigation_type(a)) {
1096         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1097                 /*
1098                  * popup windows of type “other” are almost always triggered
1099                  * by user gesture, so inverse the logic here
1100                  */
1101 /* instead of this, compare destination uri to mouse-over uri for validating window */
1102                 if (webkit_navigation_action_is_user_gesture(a))
1103                         return NULL;
1104         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1105         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1106         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1107         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1108         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1109                 n = newclient(c);
1110                 break;
1111         default:
1112                 return NULL;
1113         }
1114
1115         return GTK_WIDGET(n->view);
1116 }
1117
1118 gboolean
1119 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1120 {
1121         WebKitHitTestResultContext element;
1122         int i;
1123
1124         element = webkit_hit_test_result_get_context(c->mousepos);
1125
1126         for (i = 0; i < LENGTH(buttons); ++i) {
1127                 if (element & buttons[i].target &&
1128                     e->button.button == buttons[i].button &&
1129                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1130                     buttons[i].func) {
1131                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1132                         return buttons[i].stopevent;
1133                 }
1134         }
1135
1136         return FALSE;
1137 }
1138
1139 GdkFilterReturn
1140 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1141 {
1142         Client *c = (Client *)d;
1143         XPropertyEvent *ev;
1144         Arg a;
1145
1146         if (((XEvent *)e)->type == PropertyNotify) {
1147                 ev = &((XEvent *)e)->xproperty;
1148                 if (ev->state == PropertyNewValue) {
1149                         if (ev->atom == atoms[AtomFind]) {
1150                                 find(c, NULL);
1151
1152                                 return GDK_FILTER_REMOVE;
1153                         } else if (ev->atom == atoms[AtomGo]) {
1154                                 a.v = getatom(c, AtomGo);
1155                                 loaduri(c, &a);
1156
1157                                 return GDK_FILTER_REMOVE;
1158                         }
1159                 }
1160         }
1161         return GDK_FILTER_CONTINUE;
1162 }
1163
1164 gboolean
1165 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1166 {
1167         int i;
1168
1169         switch (e->type) {
1170         case GDK_ENTER_NOTIFY:
1171                 c->overtitle = c->targeturi;
1172                 updatetitle(c);
1173                 break;
1174         case GDK_KEY_PRESS:
1175                 if (!curconfig[KioskMode].val.b) {
1176                         for (i = 0; i < LENGTH(keys); ++i) {
1177                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1178                                     keys[i].keyval &&
1179                                     CLEANMASK(e->key.state) == keys[i].mod &&
1180                                     keys[i].func) {
1181                                         updatewinid(c);
1182                                         keys[i].func(c, &(keys[i].arg));
1183                                         return TRUE;
1184                                 }
1185                         }
1186                 }
1187         case GDK_LEAVE_NOTIFY:
1188                 c->overtitle = NULL;
1189                 updatetitle(c);
1190                 break;
1191         case GDK_WINDOW_STATE:
1192                 if (e->window_state.changed_mask ==
1193                     GDK_WINDOW_STATE_FULLSCREEN)
1194                         c->fullscreen = e->window_state.new_window_state &
1195                                         GDK_WINDOW_STATE_FULLSCREEN;
1196                 break;
1197         default:
1198                 break;
1199         }
1200
1201         return FALSE;
1202 }
1203
1204 void
1205 showview(WebKitWebView *v, Client *c)
1206 {
1207         GdkRGBA bgcolor = { 0 };
1208         GdkWindow *gwin;
1209
1210         c->finder = webkit_web_view_get_find_controller(c->view);
1211         c->inspector = webkit_web_view_get_inspector(c->view);
1212
1213         c->win = createwindow(c);
1214
1215         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1216         gtk_widget_show_all(c->win);
1217         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1218
1219         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1220         c->xid = gdk_x11_window_get_xid(gwin);
1221         updatewinid(c);
1222         if (showxid) {
1223                 gdk_display_sync(gtk_widget_get_display(c->win));
1224                 puts(winid);
1225         }
1226
1227         if (curconfig[HideBackground].val.b)
1228                 webkit_web_view_set_background_color(c->view, &bgcolor);
1229
1230         if (!curconfig[KioskMode].val.b) {
1231                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1232                 gdk_window_add_filter(gwin, processx, c);
1233         }
1234
1235         if (curconfig[RunInFullscreen].val.b)
1236                 togglefullscreen(c, NULL);
1237
1238         if (curconfig[ZoomLevel].val.f != 1.0)
1239                 webkit_web_view_set_zoom_level(c->view,
1240                                                curconfig[ZoomLevel].val.f);
1241
1242         setatom(c, AtomFind, "");
1243         setatom(c, AtomUri, "about:blank");
1244 }
1245
1246 GtkWidget *
1247 createwindow(Client *c)
1248 {
1249         char *wmstr;
1250         GtkWidget *w;
1251
1252         if (embed) {
1253                 w = gtk_plug_new(embed);
1254         } else {
1255                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1256
1257                 wmstr = g_path_get_basename(argv0);
1258                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1259                 g_free(wmstr);
1260
1261                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1262                         webkit_web_view_get_page_id(c->view));
1263                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1264                 g_free(wmstr);
1265
1266                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1267         }
1268
1269         g_signal_connect(G_OBJECT(w), "destroy",
1270                          G_CALLBACK(destroywin), c);
1271         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1272                          G_CALLBACK(winevent), c);
1273         g_signal_connect(G_OBJECT(w), "key-press-event",
1274                          G_CALLBACK(winevent), c);
1275         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1276                          G_CALLBACK(winevent), c);
1277         g_signal_connect(G_OBJECT(w), "window-state-event",
1278                          G_CALLBACK(winevent), c);
1279
1280         return w;
1281 }
1282
1283 void
1284 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1285 {
1286         const char *title = geturi(c);
1287
1288         switch (e) {
1289         case WEBKIT_LOAD_STARTED:
1290                 curconfig = defconfig;
1291                 setatom(c, AtomUri, title);
1292                 c->title = title;
1293                 c->https = c->insecure = 0;
1294                 seturiparameters(c, geturi(c));
1295                 break;
1296         case WEBKIT_LOAD_REDIRECTED:
1297                 setatom(c, AtomUri, title);
1298                 c->title = title;
1299                 seturiparameters(c, geturi(c));
1300                 break;
1301         case WEBKIT_LOAD_COMMITTED:
1302                 c->https = webkit_web_view_get_tls_info(c->view, NULL,
1303                                                         &c->tlserr);
1304                 break;
1305         case WEBKIT_LOAD_FINISHED:
1306                 /* Disabled until we write some WebKitWebExtension for
1307                  * manipulating the DOM directly.
1308                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1309                     enablescrollbars ? "auto" : "hidden");
1310                 */
1311                 runscript(c);
1312                 break;
1313         }
1314         updatetitle(c);
1315 }
1316
1317 void
1318 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1319 {
1320         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1321                       100;
1322         updatetitle(c);
1323 }
1324
1325 void
1326 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1327 {
1328         c->title = webkit_web_view_get_title(c->view);
1329         updatetitle(c);
1330 }
1331
1332 void
1333 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1334     Client *c)
1335 {
1336         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1337
1338         /* Keep the hit test to know where is the pointer on the next click */
1339         c->mousepos = h;
1340
1341         if (hc & OnLink)
1342                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1343         else if (hc & OnImg)
1344                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1345         else if (hc & OnMedia)
1346                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1347         else
1348                 c->targeturi = NULL;
1349
1350         c->overtitle = c->targeturi;
1351         updatetitle(c);
1352 }
1353
1354 gboolean
1355 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1356 {
1357         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1358                 if (curconfig[Geolocation].val.b)
1359                         webkit_permission_request_allow(r);
1360                 else
1361                         webkit_permission_request_deny(r);
1362                 return TRUE;
1363         }
1364
1365         return FALSE;
1366 }
1367
1368 gboolean
1369 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1370     WebKitPolicyDecisionType dt, Client *c)
1371 {
1372         switch (dt) {
1373         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1374                 decidenavigation(d, c);
1375                 break;
1376         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1377                 decidenewwindow(d, c);
1378                 break;
1379         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1380                 decideresource(d, c);
1381                 break;
1382         default:
1383                 webkit_policy_decision_ignore(d);
1384                 break;
1385         }
1386         return TRUE;
1387 }
1388
1389 void
1390 decidenavigation(WebKitPolicyDecision *d, Client *c)
1391 {
1392         WebKitNavigationAction *a =
1393             webkit_navigation_policy_decision_get_navigation_action(
1394             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1395
1396         switch (webkit_navigation_action_get_navigation_type(a)) {
1397         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1398         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1399         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1400         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1401         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1402         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1403         default:
1404                 /* Do not navigate to links with a "_blank" target (popup) */
1405                 if (webkit_navigation_policy_decision_get_frame_name(
1406                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1407                         webkit_policy_decision_ignore(d);
1408                 } else {
1409                         /* Filter out navigation to different domain ? */
1410                         /* get action→urirequest, copy and load in new window+view
1411                          * on Ctrl+Click ? */
1412                         webkit_policy_decision_use(d);
1413                 }
1414                 break;
1415         }
1416 }
1417
1418 void
1419 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1420 {
1421         Arg arg;
1422         WebKitNavigationAction *a =
1423             webkit_navigation_policy_decision_get_navigation_action(
1424             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1425
1426
1427         switch (webkit_navigation_action_get_navigation_type(a)) {
1428         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1429         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1430         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1431         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1432         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1433                 /* Filter domains here */
1434 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1435  * test for link clicked but no button ? */
1436                 arg.v = webkit_uri_request_get_uri(
1437                         webkit_navigation_action_get_request(a));
1438                 newwindow(c, &arg, 0);
1439                 break;
1440         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1441         default:
1442                 break;
1443         }
1444
1445         webkit_policy_decision_ignore(d);
1446 }
1447
1448 void
1449 decideresource(WebKitPolicyDecision *d, Client *c)
1450 {
1451         int i, isascii = 1;
1452         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1453         WebKitURIResponse *res =
1454             webkit_response_policy_decision_get_response(r);
1455         const gchar *uri = webkit_uri_response_get_uri(res);
1456
1457         if (g_str_has_suffix(uri, "/favicon.ico")) {
1458                 webkit_policy_decision_ignore(d);
1459                 return;
1460         }
1461
1462         if (!g_str_has_prefix(uri, "http://")
1463             && !g_str_has_prefix(uri, "https://")
1464             && !g_str_has_prefix(uri, "about:")
1465             && !g_str_has_prefix(uri, "file://")
1466             && !g_str_has_prefix(uri, "data:")
1467             && !g_str_has_prefix(uri, "blob:")
1468             && strlen(uri) > 0) {
1469                 for (i = 0; i < strlen(uri); i++) {
1470                         if (!g_ascii_isprint(uri[i])) {
1471                                 isascii = 0;
1472                                 break;
1473                         }
1474                 }
1475                 if (isascii) {
1476                         handleplumb(c, uri);
1477                         webkit_policy_decision_ignore(d);
1478                         return;
1479                 }
1480         }
1481
1482         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1483                 webkit_policy_decision_use(d);
1484         } else {
1485                 webkit_policy_decision_ignore(d);
1486                 download(c, res);
1487         }
1488 }
1489
1490 void
1491 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1492 {
1493         c->insecure = 1;
1494 }
1495
1496 void
1497 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1498 {
1499         g_signal_connect(G_OBJECT(d), "notify::response",
1500                          G_CALLBACK(responsereceived), c);
1501 }
1502
1503 void
1504 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1505 {
1506         download(c, webkit_download_get_response(d));
1507         webkit_download_cancel(d);
1508 }
1509
1510 void
1511 download(Client *c, WebKitURIResponse *r)
1512 {
1513         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1514         spawn(c, &a);
1515 }
1516
1517 void
1518 closeview(WebKitWebView *v, Client *c)
1519 {
1520         gtk_widget_destroy(c->win);
1521 }
1522
1523 void
1524 destroywin(GtkWidget* w, Client *c)
1525 {
1526         destroyclient(c);
1527         if (!clients)
1528                 gtk_main_quit();
1529 }
1530
1531 void
1532 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1533 {
1534         Arg a = {.v = text };
1535         if (text)
1536                 loaduri((Client *) d, &a);
1537 }
1538
1539 void
1540 reload(Client *c, const Arg *a)
1541 {
1542         if (a->b)
1543                 webkit_web_view_reload_bypass_cache(c->view);
1544         else
1545                 webkit_web_view_reload(c->view);
1546 }
1547
1548 void
1549 print(Client *c, const Arg *a)
1550 {
1551         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1552                                           GTK_WINDOW(c->win));
1553 }
1554
1555 void
1556 clipboard(Client *c, const Arg *a)
1557 {
1558         if (a->b) { /* load clipboard uri */
1559                 gtk_clipboard_request_text(gtk_clipboard_get(
1560                                            GDK_SELECTION_PRIMARY),
1561                                            pasteuri, c);
1562         } else { /* copy uri */
1563                 gtk_clipboard_set_text(gtk_clipboard_get(
1564                                        GDK_SELECTION_PRIMARY), c->targeturi
1565                                        ? c->targeturi : geturi(c), -1);
1566         }
1567 }
1568
1569 void
1570 zoom(Client *c, const Arg *a)
1571 {
1572         if (a->i > 0)
1573                 webkit_web_view_set_zoom_level(c->view,
1574                                                curconfig[ZoomLevel].val.f + 0.1);
1575         else if (a->i < 0)
1576                 webkit_web_view_set_zoom_level(c->view,
1577                                                curconfig[ZoomLevel].val.f - 0.1);
1578         else
1579                 webkit_web_view_set_zoom_level(c->view, 1.0);
1580
1581         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1582 }
1583
1584 void
1585 scroll(Client *c, const Arg *a)
1586 {
1587         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1588
1589         gdk_event_set_device(ev, gdkkb);
1590         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1591         ev->key.state = GDK_CONTROL_MASK;
1592         ev->key.time = GDK_CURRENT_TIME;
1593
1594         switch (a->i) {
1595         case 'd':
1596                 ev->key.keyval = GDK_KEY_Down;
1597                 break;
1598         case 'D':
1599                 ev->key.keyval = GDK_KEY_Page_Down;
1600                 break;
1601         case 'l':
1602                 ev->key.keyval = GDK_KEY_Left;
1603                 break;
1604         case 'r':
1605                 ev->key.keyval = GDK_KEY_Right;
1606                 break;
1607         case 'U':
1608                 ev->key.keyval = GDK_KEY_Page_Up;
1609                 break;
1610         case 'u':
1611                 ev->key.keyval = GDK_KEY_Up;
1612                 break;
1613         }
1614
1615         gdk_event_put(ev);
1616 }
1617
1618 void
1619 navigate(Client *c, const Arg *a)
1620 {
1621         if (a->i < 0)
1622                 webkit_web_view_go_back(c->view);
1623         else if (a->i > 0)
1624                 webkit_web_view_go_forward(c->view);
1625 }
1626
1627 void
1628 stop(Client *c, const Arg *a)
1629 {
1630         webkit_web_view_stop_loading(c->view);
1631 }
1632
1633 void
1634 toggle(Client *c, const Arg *a)
1635 {
1636         curconfig[a->i].val.b ^= 1;
1637         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1638 }
1639
1640 void
1641 togglefullscreen(Client *c, const Arg *a)
1642 {
1643         /* toggling value is handled in winevent() */
1644         if (c->fullscreen)
1645                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1646         else
1647                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1648 }
1649
1650 void
1651 togglecookiepolicy(Client *c, const Arg *a)
1652 {
1653         ++cookiepolicy;
1654         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1655
1656         setparameter(c, 0, CookiePolicies, NULL);
1657 }
1658
1659 void
1660 toggleinspector(Client *c, const Arg *a)
1661 {
1662         if (webkit_web_inspector_is_attached(c->inspector))
1663                 webkit_web_inspector_close(c->inspector);
1664         else if (curconfig[Inspector].val.b)
1665                 webkit_web_inspector_show(c->inspector);
1666 }
1667
1668 void
1669 find(Client *c, const Arg *a)
1670 {
1671         const char *s, *f;
1672
1673         if (a && a->i) {
1674                 if (a->i > 0)
1675                         webkit_find_controller_search_next(c->finder);
1676                 else
1677                         webkit_find_controller_search_previous(c->finder);
1678         } else {
1679                 s = getatom(c, AtomFind);
1680                 f = webkit_find_controller_get_search_text(c->finder);
1681
1682                 if (g_strcmp0(f, s) == 0) /* reset search */
1683                         webkit_find_controller_search(c->finder, "", findopts,
1684                                                       G_MAXUINT);
1685
1686                 webkit_find_controller_search(c->finder, s, findopts,
1687                                               G_MAXUINT);
1688
1689                 if (strcmp(s, "") == 0)
1690                         webkit_find_controller_search_finish(c->finder);
1691         }
1692 }
1693
1694 void
1695 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1696 {
1697         navigate(c, a);
1698 }
1699
1700 void
1701 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1702 {
1703         Arg arg;
1704
1705         arg.v = webkit_hit_test_result_get_link_uri(h);
1706         newwindow(c, &arg, a->b);
1707 }
1708
1709 void
1710 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1711 {
1712         Arg arg;
1713
1714         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1715         spawn(c, &arg);
1716 }
1717
1718 int
1719 main(int argc, char *argv[])
1720 {
1721         Arg arg;
1722         Client *c;
1723
1724         memset(&arg, 0, sizeof(arg));
1725
1726         /* command line args */
1727         ARGBEGIN {
1728         case 'a':
1729                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1730                 break;
1731         case 'b':
1732                 defconfig CSETB(ScrollBars, 0);
1733                 break;
1734         case 'B':
1735                 defconfig CSETB(ScrollBars, 1);
1736                 break;
1737         case 'c':
1738                 cookiefile = EARGF(usage());
1739                 break;
1740         case 'C':
1741                 stylefile = EARGF(usage());
1742                 break;
1743         case 'd':
1744                 defconfig CSETB(DiskCache, 0);
1745                 break;
1746         case 'D':
1747                 defconfig CSETB(DiskCache, 1);
1748                 break;
1749         case 'e':
1750                 embed = strtol(EARGF(usage()), NULL, 0);
1751                 break;
1752         case 'f':
1753                 defconfig CSETB(RunInFullscreen, 0);
1754                 break;
1755         case 'F':
1756                 defconfig CSETB(RunInFullscreen, 1);
1757                 break;
1758         case 'g':
1759                 defconfig CSETB(Geolocation, 0);
1760                 break;
1761         case 'G':
1762                 defconfig CSETB(Geolocation, 1);
1763                 break;
1764         case 'i':
1765                 defconfig CSETB(LoadImages, 0);
1766                 break;
1767         case 'I':
1768                 defconfig CSETB(LoadImages, 1);
1769                 break;
1770         case 'k':
1771                 defconfig CSETB(KioskMode, 0);
1772                 break;
1773         case 'K':
1774                 defconfig CSETB(KioskMode, 1);
1775                 break;
1776         case 'm':
1777                 defconfig CSETB(Style, 0);
1778                 break;
1779         case 'M':
1780                 defconfig CSETB(Style, 1);
1781                 break;
1782         case 'n':
1783                 defconfig CSETB(Inspector, 0);
1784                 break;
1785         case 'N':
1786                 defconfig CSETB(Inspector, 1);
1787                 break;
1788         case 'p':
1789                 defconfig CSETB(Plugins, 0);
1790                 break;
1791         case 'P':
1792                 defconfig CSETB(Plugins, 1);
1793                 break;
1794         case 'r':
1795                 scriptfile = EARGF(usage());
1796                 break;
1797         case 's':
1798                 defconfig CSETB(JavaScript, 0);
1799                 break;
1800         case 'S':
1801                 defconfig CSETB(JavaScript, 1);
1802                 break;
1803         case 't':
1804                 defconfig CSETB(StrictTLS, 0);
1805                 break;
1806         case 'T':
1807                 defconfig CSETB(StrictTLS, 1);
1808                 break;
1809         case 'u':
1810                 fulluseragent = EARGF(usage());
1811                 break;
1812         case 'v':
1813                 die("surf-"VERSION", ©2009-2017 surf engineers, "
1814                     "see LICENSE for details\n");
1815         case 'x':
1816                 showxid = 1;
1817                 break;
1818         case 'z':
1819                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1820                 break;
1821         default:
1822                 usage();
1823         } ARGEND;
1824         if (argc > 0)
1825                 arg.v = argv[0];
1826         else
1827                 arg.v = "about:blank";
1828
1829         setup();
1830         c = newclient(NULL);
1831         showview(NULL, c);
1832
1833         loaduri(c, &arg);
1834         updatetitle(c);
1835
1836         gtk_main();
1837         cleanup();
1838
1839         return 0;
1840 }