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 <glib.h>
   9 #include <libgen.h>
  10 #include <limits.h>
  11 #include <pwd.h>
  12 #include <regex.h>
  13 #include <signal.h>
  14 #include <stdarg.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include <unistd.h>
  19
  20 #include <gdk/gdk.h>
  21 #include <gdk/gdkkeysyms.h>
  22 #include <gdk/gdkx.h>
  23 #include <glib/gstdio.h>
  24 #include <gtk/gtk.h>
  25 #include <gtk/gtkx.h>
  26 #include <gcr/gcr.h>
  27 #include <JavaScriptCore/JavaScript.h>
  28 #include <webkit2/webkit2.h>
  29 #include <X11/X.h>
  30 #include <X11/Xatom.h>
  31
  32 #include "arg.h"
  33
  34 #define LENGTH(x)               (sizeof(x) / sizeof(x[0]))
  35 #define CLEANMASK(mask)         (mask & (MODKEY|GDK_SHIFT_MASK))
  36 #define SETB(p, s)              [p] = { { .b = s }, }
  37 #define SETI(p, s)              [p] = { { .i = s }, }
  38 #define SETV(p, s)              [p] = { { .v = s }, }
  39 #define SETF(p, s)              [p] = { { .f = s }, }
  40 #define FSETB(p, s)             [p] = { { .b = s }, 1 }
  41 #define FSETI(p, s)             [p] = { { .i = s }, 1 }
  42 #define FSETV(p, s)             [p] = { { .v = s }, 1 }
  43 #define FSETF(p, s)             [p] = { { .f = s }, 1 }
  44 #define CSETB(p, s)             [p] = (Parameter){ { .b = s }, 1 }
  45 #define CSETI(p, s)             [p] = (Parameter){ { .i = s }, 1 }
  46 #define CSETV(p, s)             [p] = (Parameter){ { .v = s }, 1 }
  47 #define CSETF(p, s)             [p] = (Parameter){ { .f = s }, 1 }
  48
  49 enum { AtomFind, AtomGo, AtomUri, AtomLast };
  50
  51 enum {
  52         OnDoc   = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
  53         OnLink  = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
  54         OnImg   = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
  55         OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
  56         OnEdit  = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
  57         OnBar   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
  58         OnSel   = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
  59         OnAny   = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
  60 };
  61
  62 typedef enum {
  63         AcceleratedCanvas,
  64         CaretBrowsing,
  65         Certificate,
  66         CookiePolicies,
  67         DiskCache,
  68         DefaultCharset,
  69         DNSPrefetch,
  70         FontSize,
  71         FrameFlattening,
  72         Geolocation,
  73         HideBackground,
  74         Inspector,
  75         Java,
  76         JavaScript,
  77         KioskMode,
  78         LoadImages,
  79         MediaManualPlay,
  80         Plugins,
  81         PreferredLanguages,
  82         RunInFullscreen,
  83         ScrollBars,
  84         ShowIndicators,
  85         SiteQuirks,
  86         SmoothScrolling,
  87         SpellChecking,
  88         SpellLanguages,
  89         StrictTLS,
  90         Style,
  91         ZoomLevel,
  92         ParameterLast,
  93 } ParamName;
  94
  95 typedef union {
  96         int b;
  97         int i;
  98         float f;
  99         const void *v;
 100 } Arg;
 101
 102 typedef struct {
 103         Arg val;
 104         int force;
 105 } Parameter;
 106
 107 typedef struct Client {
 108         GtkWidget *win;
 109         WebKitWebView *view;
 110         WebKitWebInspector *inspector;
 111         WebKitFindController *finder;
 112         WebKitHitTestResult *mousepos;
 113         GTlsCertificate *cert, *failedcert;
 114         GTlsCertificateFlags tlserr;
 115         Window xid;
 116         int progress, fullscreen, https, insecure, errorpage;
 117         const char *title, *overtitle, *targeturi;
 118         const char *needle;
 119         struct Client *next;
 120 } Client;
 121
 122 typedef struct {
 123         guint mod;
 124         guint keyval;
 125         void (*func)(Client *c, const Arg *a);
 126         const Arg arg;
 127 } Key;
 128
 129 typedef struct {
 130         unsigned int target;
 131         unsigned int mask;
 132         guint button;
 133         void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
 134         const Arg arg;
 135         unsigned int stopevent;
 136 } Button;
 137
 138 typedef struct {
 139         const char *uri;
 140         Parameter config[ParameterLast];
 141         regex_t re;
 142 } UriParameters;
 143
 144 typedef struct {
 145         char *regex;
 146         char *file;
 147         regex_t re;
 148 } SiteSpecific;
 149
 150 /* Surf */
 151 static void usage(void);
 152 static void die(const char *errstr, ...);
 153 static void setup(void);
 154 static void sigchld(int unused);
 155 static void sighup(int unused);
 156 static char *buildfile(const char *path);
 157 static char *buildpath(const char *path);
 158 static const char *getuserhomedir(const char *user);
 159 static const char *getcurrentuserhomedir(void);
 160 static Client *newclient(Client *c);
 161 static void loaduri(Client *c, const Arg *a);
 162 static const char *geturi(Client *c);
 163 static void setatom(Client *c, int a, const char *v);
 164 static const char *getatom(Client *c, int a);
 165 static void updatetitle(Client *c);
 166 static void gettogglestats(Client *c);
 167 static void getpagestats(Client *c);
 168 static WebKitCookieAcceptPolicy cookiepolicy_get(void);
 169 static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
 170 static void seturiparameters(Client *c, const char *uri);
 171 static void setparameter(Client *c, int refresh, ParamName p, const Arg *a);
 172 static const char *getcert(const char *uri);
 173 static void setcert(Client *c, const char *file);
 174 static const char *getstyle(const char *uri);
 175 static void setstyle(Client *c, const char *file);
 176 static void runscript(Client *c);
 177 static void evalscript(Client *c, const char *jsstr, ...);
 178 static void updatewinid(Client *c);
 179 static void handleplumb(Client *c, const char *uri);
 180 static void newwindow(Client *c, const Arg *a, int noembed);
 181 static void spawn(Client *c, const Arg *a);
 182 static void destroyclient(Client *c);
 183 static void cleanup(void);
 184
 185 /* GTK/WebKit */
 186 static WebKitWebView *newview(Client *c, WebKitWebView *rv);
 187 static void initwebextensions(WebKitWebContext *wc, Client *c);
 188 static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
 189                              Client *c);
 190 static gboolean buttonreleased(GtkWidget *w, GdkEvent *e, Client *c);
 191 static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
 192                                 gpointer d);
 193 static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
 194 static void showview(WebKitWebView *v, Client *c);
 195 static GtkWidget *createwindow(Client *c);
 196 static gboolean loadfailedtls(WebKitWebView *v, gchar *uri,
 197                               GTlsCertificate *cert,
 198                               GTlsCertificateFlags err, Client *c);
 199 static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
 200 static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
 201 static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
 202 static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
 203                                guint modifiers, Client *c);
 204 static gboolean permissionrequested(WebKitWebView *v,
 205                                     WebKitPermissionRequest *r, Client *c);
 206 static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
 207                              WebKitPolicyDecisionType dt, Client *c);
 208 static void decidenavigation(WebKitPolicyDecision *d, Client *c);
 209 static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
 210 static void decideresource(WebKitPolicyDecision *d, Client *c);
 211 static void insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e,
 212                             Client *c);
 213 static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
 214                             Client *c);
 215 static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
 216 static void download(Client *c, WebKitURIResponse *r);
 217 static void closeview(WebKitWebView *v, Client *c);
 218 static void destroywin(GtkWidget* w, Client *c);
 219
 220 /* Hotkeys */
 221 static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
 222 static void reload(Client *c, const Arg *a);
 223 static void print(Client *c, const Arg *a);
 224 static void showcert(Client *c, const Arg *a);
 225 static void clipboard(Client *c, const Arg *a);
 226 static void zoom(Client *c, const Arg *a);
 227 static void scroll(Client *c, const Arg *a);
 228 static void navigate(Client *c, const Arg *a);
 229 static void stop(Client *c, const Arg *a);
 230 static void toggle(Client *c, const Arg *a);
 231 static void togglefullscreen(Client *c, const Arg *a);
 232 static void togglecookiepolicy(Client *c, const Arg *a);
 233 static void toggleinspector(Client *c, const Arg *a);
 234 static void find(Client *c, const Arg *a);
 235
 236 /* Buttons */
 237 static void clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h);
 238 static void clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h);
 239 static void clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h);
 240
 241 static char winid[64];
 242 static char togglestats[12];
 243 static char pagestats[2];
 244 static Atom atoms[AtomLast];
 245 static Window embed;
 246 static int showxid;
 247 static int cookiepolicy;
 248 static Display *dpy;
 249 static Client *clients;
 250 static GdkDevice *gdkkb;
 251 static char *stylefile;
 252 static const char *useragent;
 253 static Parameter *curconfig;
 254 char *argv0;
 255
 256 /* configuration, allows nested code to access above variables */
 257 #include "config.h"
 258
 259 void
 260 usage(void)
 261 {
 262         die("usage: surf [-bBdDfFgGiIkKmMnNpPsStTvwxX]\n"
 263             "[-a cookiepolicies ] [-c cookiefile] [-C stylefile] [-e xid]\n"
 264             "[-r scriptfile] [-u useragent] [-z zoomlevel] [uri]\n");
 265 }
 266
 267 void
 268 die(const char *errstr, ...)
 269 {
 270         va_list ap;
 271
 272         va_start(ap, errstr);
 273         vfprintf(stderr, errstr, ap);
 274         va_end(ap);
 275         exit(1);
 276 }
 277
 278 void
 279 setup(void)
 280 {
 281         GdkDisplay *gdpy;
 282         int i, j;
 283
 284         /* clean up any zombies immediately */
 285         sigchld(0);
 286         if (signal(SIGHUP, sighup) == SIG_ERR)
 287                 die("Can't install SIGHUP handler");
 288
 289         if (!(dpy = XOpenDisplay(NULL)))
 290                 die("Can't open default display");
 291
 292         /* atoms */
 293         atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
 294         atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
 295         atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
 296
 297         gtk_init(NULL, NULL);
 298
 299         gdpy = gdk_display_get_default();
 300
 301         curconfig = defconfig;
 302
 303         /* dirs and files */
 304         cookiefile = buildfile(cookiefile);
 305         scriptfile = buildfile(scriptfile);
 306         cachedir   = buildpath(cachedir);
 307         certdir    = buildpath(certdir);
 308
 309         gdkkb = gdk_seat_get_keyboard(gdk_display_get_default_seat(gdpy));
 310
 311         for (i = 0; i < LENGTH(certs); ++i) {
 312                 if (!regcomp(&(certs[i].re), certs[i].regex, REG_EXTENDED)) {
 313                         certs[i].file = g_strconcat(certdir, "/", certs[i].file,
 314                                                     NULL);
 315                 } else {
 316                         fprintf(stderr, "Could not compile regex: %s\n",
 317                                 certs[i].regex);
 318                         certs[i].regex = NULL;
 319                 }
 320         }
 321
 322         if (!stylefile) {
 323                 styledir = buildpath(styledir);
 324                 for (i = 0; i < LENGTH(styles); ++i) {
 325                         if (!regcomp(&(styles[i].re), styles[i].regex,
 326                             REG_EXTENDED)) {
 327                                 styles[i].file = g_strconcat(styledir, "/",
 328                                                     styles[i].file, NULL);
 329                         } else {
 330                                 fprintf(stderr, "Could not compile regex: %s\n",
 331                                         styles[i].regex);
 332                                 styles[i].regex = NULL;
 333                         }
 334                 }
 335                 g_free(styledir);
 336         } else {
 337                 stylefile = buildfile(stylefile);
 338         }
 339
 340         for (i = 0; i < LENGTH(uriparams); ++i) {
 341                 if (!regcomp(&(uriparams[i].re), uriparams[i].uri,
 342                     REG_EXTENDED)) {
 343                         /* copy default parameters if they are not already set
 344                          * or if they are forced */
 345                         for (j = 0; j < ParameterLast; ++j) {
 346                                 if (!uriparams[i].config[j].force ||
 347                                     defconfig[j].force)
 348                                         uriparams[i].config[j] = defconfig[j];
 349                         }
 350                 } else {
 351                         fprintf(stderr, "Could not compile regex: %s\n",
 352                                 uriparams[i].uri);
 353                         uriparams[i].uri = NULL;
 354                 }
 355         }
 356 }
 357
 358 void
 359 sigchld(int unused)
 360 {
 361         if (signal(SIGCHLD, sigchld) == SIG_ERR)
 362                 die("Can't install SIGCHLD handler");
 363         while (waitpid(-1, NULL, WNOHANG) > 0)
 364                 ;
 365 }
 366
 367 void
 368 sighup(int unused)
 369 {
 370         Arg a = { .b = 0 };
 371         Client *c;
 372
 373         for (c = clients; c; c = c->next)
 374                 reload(c, &a);
 375 }
 376
 377 char *
 378 buildfile(const char *path)
 379 {
 380         char *dname, *bname, *bpath, *fpath;
 381         FILE *f;
 382
 383         dname = g_path_get_dirname(path);
 384         bname = g_path_get_basename(path);
 385
 386         bpath = buildpath(dname);
 387         g_free(dname);
 388
 389         fpath = g_build_filename(bpath, bname, NULL);
 390         g_free(bpath);
 391         g_free(bname);
 392
 393         if (!(f = fopen(fpath, "a")))
 394                 die("Could not open file: %s\n", fpath);
 395
 396         g_chmod(fpath, 0600); /* always */
 397         fclose(f);
 398
 399         return fpath;
 400 }
 401
 402 static const char*
 403 getuserhomedir(const char *user)
 404 {
 405         struct passwd *pw = getpwnam(user);
 406
 407         if (!pw)
 408                 die("Can't get user %s login information.\n", user);
 409
 410         return pw->pw_dir;
 411 }
 412
 413 static const char*
 414 getcurrentuserhomedir(void)
 415 {
 416         const char *homedir;
 417         const char *user;
 418         struct passwd *pw;
 419
 420         homedir = getenv("HOME");
 421         if (homedir)
 422                 return homedir;
 423
 424         user = getenv("USER");
 425         if (user)
 426                 return getuserhomedir(user);
 427
 428         pw = getpwuid(getuid());
 429         if (!pw)
 430                 die("Can't get current user home directory\n");
 431
 432         return pw->pw_dir;
 433 }
 434
 435 char *
 436 buildpath(const char *path)
 437 {
 438         char *apath, *name, *p, *fpath;
 439         const char *homedir;
 440
 441         if (path[0] == '~') {
 442                 if (path[1] == '/' || path[1] == '\0') {
 443                         p = (char *)&path[1];
 444                         homedir = getcurrentuserhomedir();
 445                 } else {
 446                         if ((p = strchr(path, '/')))
 447                                 name = g_strndup(&path[1], --p - path);
 448                         else
 449                                 name = g_strdup(&path[1]);
 450
 451                         homedir = getuserhomedir(name);
 452                         g_free(name);
 453                 }
 454                 apath = g_build_filename(homedir, p, NULL);
 455         } else {
 456                 apath = g_strdup(path);
 457         }
 458
 459         /* creating directory */
 460         if (g_mkdir_with_parents(apath, 0700) < 0)
 461                 die("Could not access directory: %s\n", apath);
 462
 463         fpath = realpath(apath, NULL);
 464         g_free(apath);
 465
 466         return fpath;
 467 }
 468
 469 Client *
 470 newclient(Client *rc)
 471 {
 472         Client *c;
 473
 474         if (!(c = calloc(1, sizeof(Client))))
 475                 die("Cannot malloc!\n");
 476
 477         c->next = clients;
 478         clients = c;
 479
 480         c->progress = 100;
 481         c->view = newview(c, rc ? rc->view : NULL);
 482
 483         return c;
 484 }
 485
 486 void
 487 loaduri(Client *c, const Arg *a)
 488 {
 489         struct stat st;
 490         char *url, *path;
 491         const char *uri = a->v;
 492
 493         if (g_strcmp0(uri, "") == 0)
 494                 return;
 495
 496         if (g_str_has_prefix(uri, "http://")  ||
 497             g_str_has_prefix(uri, "https://") ||
 498             g_str_has_prefix(uri, "file://")  ||
 499             g_str_has_prefix(uri, "about:")) {
 500                 url = g_strdup(uri);
 501         } else if (!stat(uri, &st) && (path = realpath(uri, NULL))) {
 502                 url = g_strdup_printf("file://%s", path);
 503                 free(path);
 504         } else {
 505                 url = g_strdup_printf("http://%s", uri);
 506         }
 507
 508         setatom(c, AtomUri, url);
 509
 510         if (strcmp(url, geturi(c)) == 0) {
 511                 reload(c, a);
 512         } else {
 513                 webkit_web_view_load_uri(c->view, url);
 514                 updatetitle(c);
 515         }
 516
 517         g_free(url);
 518 }
 519
 520 const char *
 521 geturi(Client *c)
 522 {
 523         const char *uri;
 524
 525         if (!(uri = webkit_web_view_get_uri(c->view)))
 526                 uri = "about:blank";
 527         return uri;
 528 }
 529
 530 void
 531 setatom(Client *c, int a, const char *v)
 532 {
 533         XSync(dpy, False);
 534         XChangeProperty(dpy, c->xid,
 535                         atoms[a], XA_STRING, 8, PropModeReplace,
 536                         (unsigned char *)v, strlen(v) + 1);
 537 }
 538
 539 const char *
 540 getatom(Client *c, int a)
 541 {
 542         static char buf[BUFSIZ];
 543         Atom adummy;
 544         int idummy;
 545         unsigned long ldummy;
 546         unsigned char *p = NULL;
 547
 548         XGetWindowProperty(dpy, c->xid, atoms[a], 0L, BUFSIZ, False, XA_STRING,
 549                            &adummy, &idummy, &ldummy, &ldummy, &p);
 550         if (p)
 551                 strncpy(buf, (char *)p, LENGTH(buf) - 1);
 552         else
 553                 buf[0] = '\0';
 554         XFree(p);
 555
 556         return buf;
 557 }
 558
 559 void
 560 updatetitle(Client *c)
 561 {
 562         char *title;
 563         const char *name = c->overtitle ? c->overtitle :
 564                            c->title ? c->title : "";
 565
 566         if (curconfig[ShowIndicators].val.b) {
 567                 gettogglestats(c);
 568                 getpagestats(c);
 569
 570                 if (c->progress != 100)
 571                         title = g_strdup_printf("[%i%%] %s:%s | %s",
 572                                 c->progress, togglestats, pagestats, name);
 573                 else
 574                         title = g_strdup_printf("%s:%s | %s",
 575                                 togglestats, pagestats, name);
 576
 577                 gtk_window_set_title(GTK_WINDOW(c->win), title);
 578                 g_free(title);
 579         } else {
 580                 gtk_window_set_title(GTK_WINDOW(c->win), name);
 581         }
 582 }
 583
 584 void
 585 gettogglestats(Client *c)
 586 {
 587         togglestats[0] = cookiepolicy_set(cookiepolicy_get());
 588         togglestats[1] = curconfig[CaretBrowsing].val.b ?   'C' : 'c';
 589         togglestats[2] = curconfig[Geolocation].val.b ?     'G' : 'g';
 590         togglestats[3] = curconfig[DiskCache].val.b ?       'D' : 'd';
 591         togglestats[4] = curconfig[LoadImages].val.b ?      'I' : 'i';
 592         togglestats[5] = curconfig[JavaScript].val.b ?      'S' : 's';
 593         togglestats[6] = curconfig[Plugins].val.b ?         'V' : 'v';
 594         togglestats[7] = curconfig[Style].val.b ?           'M' : 'm';
 595         togglestats[8] = curconfig[FrameFlattening].val.b ? 'F' : 'f';
 596         togglestats[9] = curconfig[Certificate].val.b ?     'X' : 'x';
 597         togglestats[10] = curconfig[StrictTLS].val.b ?      'T' : 't';
 598         togglestats[11] = '\0';
 599 }
 600
 601 void
 602 getpagestats(Client *c)
 603 {
 604         if (c->https)
 605                 pagestats[0] = (c->tlserr || c->insecure) ?  'U' : 'T';
 606         else
 607                 pagestats[0] = '-';
 608         pagestats[1] = '\0';
 609 }
 610
 611 WebKitCookieAcceptPolicy
 612 cookiepolicy_get(void)
 613 {
 614         switch (((char *)curconfig[CookiePolicies].val.v)[cookiepolicy]) {
 615         case 'a':
 616                 return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
 617         case '@':
 618                 return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
 619         default: /* fallthrough */
 620         case 'A':
 621                 return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
 622         }
 623 }
 624
 625 char
 626 cookiepolicy_set(const WebKitCookieAcceptPolicy p)
 627 {
 628         switch (p) {
 629         case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
 630                 return 'a';
 631         case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
 632                 return '@';
 633         default: /* fallthrough */
 634         case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
 635                 return 'A';
 636         }
 637 }
 638
 639 void
 640 seturiparameters(Client *c, const char *uri)
 641 {
 642         Parameter *newconfig = NULL;
 643         int i;
 644
 645         for (i = 0; i < LENGTH(uriparams); ++i) {
 646                 if (uriparams[i].uri &&
 647                     !regexec(&(uriparams[i].re), uri, 0, NULL, 0)) {
 648                         newconfig = uriparams[i].config;
 649                         break;
 650                 }
 651         }
 652
 653         if (!newconfig)
 654                 newconfig = defconfig;
 655         if (newconfig == curconfig)
 656                 return;
 657
 658         for (i = 0; i < ParameterLast; ++i) {
 659                 if (defconfig[i].force)
 660                         continue;
 661                 if (newconfig[i].force)
 662                         setparameter(c, 0, i, &newconfig[i].val);
 663                 else if (curconfig[i].force)
 664                         setparameter(c, 0, i, &defconfig[i].val);
 665         }
 666
 667         curconfig = newconfig;
 668 }
 669
 670 void
 671 setparameter(Client *c, int refresh, ParamName p, const Arg *a)
 672 {
 673         GdkRGBA bgcolor = { 0 };
 674         WebKitSettings *s = webkit_web_view_get_settings(c->view);
 675
 676         switch (p) {
 677         case AcceleratedCanvas:
 678                 webkit_settings_set_enable_accelerated_2d_canvas(s, a->b);
 679                 break;
 680         case CaretBrowsing:
 681                 webkit_settings_set_enable_caret_browsing(s, a->b);
 682                 refresh = 0;
 683                 break;
 684         case Certificate:
 685                 if (a->b)
 686                         setcert(c, geturi(c));
 687                 return; /* do not update */
 688         case CookiePolicies:
 689                 webkit_cookie_manager_set_accept_policy(
 690                     webkit_web_context_get_cookie_manager(
 691                     webkit_web_view_get_context(c->view)),
 692                     cookiepolicy_get());
 693                 refresh = 0;
 694                 break;
 695         case DiskCache:
 696                 webkit_web_context_set_cache_model(
 697                     webkit_web_view_get_context(c->view), a->b ?
 698                     WEBKIT_CACHE_MODEL_WEB_BROWSER :
 699                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
 700                 return; /* do not update */
 701         case DefaultCharset:
 702                 webkit_settings_set_default_charset(s, a->v);
 703                 return; /* do not update */
 704         case DNSPrefetch:
 705                 webkit_settings_set_enable_dns_prefetching(s, a->b);
 706                 return; /* do not update */
 707         case FontSize:
 708                 webkit_settings_set_default_font_size(s, a->i);
 709                 return; /* do not update */
 710         case FrameFlattening:
 711                 webkit_settings_set_enable_frame_flattening(s, a->b);
 712                 break;
 713         case Geolocation:
 714                 refresh = 0;
 715                 break;
 716         case HideBackground:
 717                 if (a->b)
 718                         webkit_web_view_set_background_color(c->view, &bgcolor);
 719                 return; /* do not update */
 720         case Inspector:
 721                 webkit_settings_set_enable_developer_extras(s, a->b);
 722                 return; /* do not update */
 723         case Java:
 724                 webkit_settings_set_enable_java(s, a->b);
 725                 return; /* do not update */
 726         case JavaScript:
 727                 webkit_settings_set_enable_javascript(s, a->b);
 728                 break;
 729         case KioskMode:
 730                 return; /* do nothing */
 731         case LoadImages:
 732                 webkit_settings_set_auto_load_images(s, a->b);
 733                 break;
 734         case MediaManualPlay:
 735                 webkit_settings_set_media_playback_requires_user_gesture(s, a->b);
 736                 break;
 737         case Plugins:
 738                 webkit_settings_set_enable_plugins(s, a->b);
 739                 break;
 740         case PreferredLanguages:
 741                 return; /* do nothing */
 742         case RunInFullscreen:
 743                 return; /* do nothing */
 744         case ScrollBars:
 745                 /* Disabled until we write some WebKitWebExtension for
 746                  * manipulating the DOM directly.
 747                 enablescrollbars = !enablescrollbars;
 748                 evalscript(c, "document.documentElement.style.overflow = '%s'",
 749                     enablescrollbars ? "auto" : "hidden");
 750                 */
 751                 return; /* do not update */
 752         case ShowIndicators:
 753                 break;
 754         case SmoothScrolling:
 755                 webkit_settings_set_enable_smooth_scrolling(s, a->b);
 756                 return; /* do not update */
 757         case SiteQuirks:
 758                 webkit_settings_set_enable_site_specific_quirks(s, a->b);
 759                 break;
 760         case SpellChecking:
 761                 webkit_web_context_set_spell_checking_enabled(
 762                     webkit_web_view_get_context(c->view), a->b);
 763                 return; /* do not update */
 764         case SpellLanguages:
 765                 return; /* do nothing */
 766         case StrictTLS:
 767                 webkit_web_context_set_tls_errors_policy(
 768                     webkit_web_view_get_context(c->view), a->b ?
 769                     WEBKIT_TLS_ERRORS_POLICY_FAIL :
 770                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
 771                 break;
 772         case Style:
 773                 if (a->b)
 774                         setstyle(c, getstyle(geturi(c)));
 775                 else
 776                         webkit_user_content_manager_remove_all_style_sheets(
 777                             webkit_web_view_get_user_content_manager(c->view));
 778                 refresh = 0;
 779                 break;
 780         case ZoomLevel:
 781                 webkit_web_view_set_zoom_level(c->view, a->f);
 782                 return; /* do not update */
 783         default:
 784                 return; /* do nothing */
 785         }
 786
 787         updatetitle(c);
 788         if (refresh)
 789                 reload(c, a);
 790 }
 791
 792 const char *
 793 getcert(const char *uri)
 794 {
 795         int i;
 796
 797         for (i = 0; i < LENGTH(certs); ++i) {
 798                 if (certs[i].regex &&
 799                     !regexec(&(certs[i].re), uri, 0, NULL, 0))
 800                         return certs[i].file;
 801         }
 802
 803         return NULL;
 804 }
 805
 806 void
 807 setcert(Client *c, const char *uri)
 808 {
 809         const char *file = getcert(uri);
 810         char *host;
 811         GTlsCertificate *cert;
 812
 813         if (!file)
 814                 return;
 815
 816         if (!(cert = g_tls_certificate_new_from_file(file, NULL))) {
 817                 fprintf(stderr, "Could not read certificate file: %s\n", file);
 818                 return;
 819         }
 820
 821         if ((uri = strstr(uri, "https://"))) {
 822                 uri += sizeof("https://") - 1;
 823                 host = g_strndup(uri, strchr(uri, '/') - uri);
 824                 webkit_web_context_allow_tls_certificate_for_host(
 825                     webkit_web_view_get_context(c->view), cert, host);
 826                 g_free(host);
 827         }
 828
 829         g_object_unref(cert);
 830
 831 }
 832
 833 const char *
 834 getstyle(const char *uri)
 835 {
 836         int i;
 837
 838         if (stylefile)
 839                 return stylefile;
 840
 841         for (i = 0; i < LENGTH(styles); ++i) {
 842                 if (styles[i].regex &&
 843                     !regexec(&(styles[i].re), uri, 0, NULL, 0))
 844                         return styles[i].file;
 845         }
 846
 847         return "";
 848 }
 849
 850 void
 851 setstyle(Client *c, const char *file)
 852 {
 853         gchar *style;
 854
 855         if (!g_file_get_contents(file, &style, NULL, NULL)) {
 856                 fprintf(stderr, "Could not read style file: %s\n", file);
 857                 return;
 858         }
 859
 860         webkit_user_content_manager_add_style_sheet(
 861             webkit_web_view_get_user_content_manager(c->view),
 862             webkit_user_style_sheet_new(style,
 863             WEBKIT_USER_CONTENT_INJECT_ALL_FRAMES,
 864             WEBKIT_USER_STYLE_LEVEL_USER,
 865             NULL, NULL));
 866
 867         g_free(style);
 868 }
 869
 870 void
 871 runscript(Client *c)
 872 {
 873         gchar *script;
 874         gsize l;
 875
 876         if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
 877                 evalscript(c, script);
 878         g_free(script);
 879 }
 880
 881 void
 882 evalscript(Client *c, const char *jsstr, ...)
 883 {
 884         va_list ap;
 885         gchar *script;
 886
 887         va_start(ap, jsstr);
 888         script = g_strdup_vprintf(jsstr, ap);
 889         va_end(ap);
 890
 891         webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
 892         g_free(script);
 893 }
 894
 895 void
 896 updatewinid(Client *c)
 897 {
 898         snprintf(winid, LENGTH(winid), "%lu", c->xid);
 899 }
 900
 901 void
 902 handleplumb(Client *c, const char *uri)
 903 {
 904         Arg a = (Arg)PLUMB(uri);
 905         spawn(c, &a);
 906 }
 907
 908 void
 909 newwindow(Client *c, const Arg *a, int noembed)
 910 {
 911         int i = 0;
 912         char tmp[64];
 913         const char *cmd[29], *uri;
 914         const Arg arg = { .v = cmd };
 915
 916         cmd[i++] = argv0;
 917         cmd[i++] = "-a";
 918         cmd[i++] = curconfig[CookiePolicies].val.v;
 919         cmd[i++] = curconfig[ScrollBars].val.b ? "-B" : "-b";
 920         if (cookiefile && g_strcmp0(cookiefile, "")) {
 921                 cmd[i++] = "-c";
 922                 cmd[i++] = cookiefile;
 923         }
 924         if (stylefile && g_strcmp0(stylefile, "")) {
 925                 cmd[i++] = "-C";
 926                 cmd[i++] = stylefile;
 927         }
 928         cmd[i++] = curconfig[DiskCache].val.b ? "-D" : "-d";
 929         if (embed && !noembed) {
 930                 cmd[i++] = "-e";
 931                 snprintf(tmp, LENGTH(tmp), "%lu", embed);
 932                 cmd[i++] = tmp;
 933         }
 934         cmd[i++] = curconfig[RunInFullscreen].val.b ? "-F" : "-f" ;
 935         cmd[i++] = curconfig[Geolocation].val.b ?     "-G" : "-g" ;
 936         cmd[i++] = curconfig[LoadImages].val.b ?      "-I" : "-i" ;
 937         cmd[i++] = curconfig[KioskMode].val.b ?       "-K" : "-k" ;
 938         cmd[i++] = curconfig[Style].val.b ?           "-M" : "-m" ;
 939         cmd[i++] = curconfig[Inspector].val.b ?       "-N" : "-n" ;
 940         cmd[i++] = curconfig[Plugins].val.b ?         "-P" : "-p" ;
 941         if (scriptfile && g_strcmp0(scriptfile, "")) {
 942                 cmd[i++] = "-r";
 943                 cmd[i++] = scriptfile;
 944         }
 945         cmd[i++] = curconfig[JavaScript].val.b ? "-S" : "-s";
 946         cmd[i++] = curconfig[StrictTLS].val.b ? "-T" : "-t";
 947         if (fulluseragent && g_strcmp0(fulluseragent, "")) {
 948                 cmd[i++] = "-u";
 949                 cmd[i++] = fulluseragent;
 950         }
 951         if (showxid)
 952                 cmd[i++] = "-w";
 953         cmd[i++] = curconfig[Certificate].val.b ? "-X" : "-x" ;
 954         /* do not keep zoom level */
 955         cmd[i++] = "--";
 956         if ((uri = a->v))
 957                 cmd[i++] = uri;
 958         cmd[i] = NULL;
 959
 960         spawn(c, &arg);
 961 }
 962
 963 void
 964 spawn(Client *c, const Arg *a)
 965 {
 966         if (fork() == 0) {
 967                 if (dpy)
 968                         close(ConnectionNumber(dpy));
 969                 setsid();
 970                 execvp(((char **)a->v)[0], (char **)a->v);
 971                 fprintf(stderr, "%s: execvp %s", argv0, ((char **)a->v)[0]);
 972                 perror(" failed");
 973                 exit(1);
 974         }
 975 }
 976
 977 void
 978 destroyclient(Client *c)
 979 {
 980         Client *p;
 981
 982         webkit_web_view_stop_loading(c->view);
 983         /* Not needed, has already been called
 984         gtk_widget_destroy(c->win);
 985          */
 986
 987         for (p = clients; p && p->next != c; p = p->next)
 988                 ;
 989         if (p)
 990                 p->next = c->next;
 991         else
 992                 clients = c->next;
 993         free(c);
 994 }
 995
 996 void
 997 cleanup(void)
 998 {
 999         while (clients)
1000                 destroyclient(clients);
1001         g_free(cookiefile);
1002         g_free(scriptfile);
1003         g_free(stylefile);
1004         g_free(cachedir);
1005         XCloseDisplay(dpy);
1006 }
1007
1008 WebKitWebView *
1009 newview(Client *c, WebKitWebView *rv)
1010 {
1011         WebKitWebView *v;
1012         WebKitSettings *settings;
1013         WebKitUserContentManager *contentmanager;
1014         WebKitWebContext *context;
1015
1016         /* Webview */
1017         if (rv) {
1018                 v = WEBKIT_WEB_VIEW(
1019                     webkit_web_view_new_with_related_view(rv));
1020         } else {
1021                 settings = webkit_settings_new_with_settings(
1022                    "auto-load-images", curconfig[LoadImages].val.b,
1023                    "default-charset", curconfig[DefaultCharset].val.v,
1024                    "default-font-size", curconfig[FontSize].val.i,
1025                    "enable-caret-browsing", curconfig[CaretBrowsing].val.b,
1026                    "enable-developer-extras", curconfig[Inspector].val.b,
1027                    "enable-dns-prefetching", curconfig[DNSPrefetch].val.b,
1028                    "enable-frame-flattening", curconfig[FrameFlattening].val.b,
1029                    "enable-html5-database", curconfig[DiskCache].val.b,
1030                    "enable-html5-local-storage", curconfig[DiskCache].val.b,
1031                    "enable-java", curconfig[Java].val.b,
1032                    "enable-javascript", curconfig[JavaScript].val.b,
1033                    "enable-plugins", curconfig[Plugins].val.b,
1034                    "enable-accelerated-2d-canvas", curconfig[AcceleratedCanvas].val.b,
1035                    "enable-site-specific-quirks", curconfig[SiteQuirks].val.b,
1036                    "enable-smooth-scrolling", curconfig[SmoothScrolling].val.b,
1037                    "media-playback-requires-user-gesture", curconfig[MediaManualPlay].val.b,
1038                    NULL);
1039 /* For more interesting settings, have a look at
1040  * http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html */
1041
1042                 if (strcmp(fulluseragent, "")) {
1043                         webkit_settings_set_user_agent(settings, fulluseragent);
1044                 } else if (surfuseragent) {
1045                         webkit_settings_set_user_agent_with_application_details(
1046                             settings, "Surf", VERSION);
1047                 }
1048                 useragent = webkit_settings_get_user_agent(settings);
1049
1050                 contentmanager = webkit_user_content_manager_new();
1051
1052                 context = webkit_web_context_new_with_website_data_manager(
1053                           webkit_website_data_manager_new(
1054                           "base-cache-directory", cachedir,
1055                           "base-data-directory", cachedir,
1056                           NULL));
1057
1058                 /* rendering process model, can be a shared unique one
1059                  * or one for each view */
1060                 webkit_web_context_set_process_model(context,
1061                     WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
1062                 /* TLS */
1063                 webkit_web_context_set_tls_errors_policy(context,
1064                     curconfig[StrictTLS].val.b ? WEBKIT_TLS_ERRORS_POLICY_FAIL :
1065                     WEBKIT_TLS_ERRORS_POLICY_IGNORE);
1066                 /* disk cache */
1067                 webkit_web_context_set_cache_model(context,
1068                     curconfig[DiskCache].val.b ? WEBKIT_CACHE_MODEL_WEB_BROWSER :
1069                     WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
1070
1071                 /* Currently only works with text file to be compatible with curl */
1072                 webkit_cookie_manager_set_persistent_storage(
1073                     webkit_web_context_get_cookie_manager(context), cookiefile,
1074                     WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
1075                 /* cookie policy */
1076                 webkit_cookie_manager_set_accept_policy(
1077                     webkit_web_context_get_cookie_manager(context),
1078                     cookiepolicy_get());
1079                 /* languages */
1080                 webkit_web_context_set_preferred_languages(context,
1081                     curconfig[PreferredLanguages].val.v);
1082                 webkit_web_context_set_spell_checking_languages(context,
1083                     curconfig[SpellLanguages].val.v);
1084                 webkit_web_context_set_spell_checking_enabled(context,
1085                     curconfig[SpellChecking].val.b);
1086
1087                 g_signal_connect(G_OBJECT(context), "download-started",
1088                                  G_CALLBACK(downloadstarted), c);
1089                 g_signal_connect(G_OBJECT(context), "initialize-web-extensions",
1090                                  G_CALLBACK(initwebextensions), c);
1091
1092                 v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
1093                     "settings", settings,
1094                     "user-content-manager", contentmanager,
1095                     "web-context", context,
1096                     NULL);
1097         }
1098
1099         g_signal_connect(G_OBJECT(v), "notify::estimated-load-progress",
1100                          G_CALLBACK(progresschanged), c);
1101         g_signal_connect(G_OBJECT(v), "notify::title",
1102                          G_CALLBACK(titlechanged), c);
1103         g_signal_connect(G_OBJECT(v), "button-release-event",
1104                          G_CALLBACK(buttonreleased), c);
1105         g_signal_connect(G_OBJECT(v), "close",
1106                         G_CALLBACK(closeview), c);
1107         g_signal_connect(G_OBJECT(v), "create",
1108                          G_CALLBACK(createview), c);
1109         g_signal_connect(G_OBJECT(v), "decide-policy",
1110                          G_CALLBACK(decidepolicy), c);
1111         g_signal_connect(G_OBJECT(v), "insecure-content-detected",
1112                          G_CALLBACK(insecurecontent), c);
1113         g_signal_connect(G_OBJECT(v), "load-failed-with-tls-errors",
1114                          G_CALLBACK(loadfailedtls), c);
1115         g_signal_connect(G_OBJECT(v), "load-changed",
1116                          G_CALLBACK(loadchanged), c);
1117         g_signal_connect(G_OBJECT(v), "mouse-target-changed",
1118                          G_CALLBACK(mousetargetchanged), c);
1119         g_signal_connect(G_OBJECT(v), "permission-request",
1120                          G_CALLBACK(permissionrequested), c);
1121         g_signal_connect(G_OBJECT(v), "ready-to-show",
1122                          G_CALLBACK(showview), c);
1123
1124         return v;
1125 }
1126
1127 void
1128 initwebextensions(WebKitWebContext *wc, Client *c)
1129 {
1130         webkit_web_context_set_web_extensions_directory(wc, WEBEXTDIR);
1131 }
1132
1133 GtkWidget *
1134 createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
1135 {
1136         Client *n;
1137
1138         switch (webkit_navigation_action_get_navigation_type(a)) {
1139         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1140                 /*
1141                  * popup windows of type “other” are almost always triggered
1142                  * by user gesture, so inverse the logic here
1143                  */
1144 /* instead of this, compare destination uri to mouse-over uri for validating window */
1145                 if (webkit_navigation_action_is_user_gesture(a))
1146                         return NULL;
1147         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1148         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1149         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1150         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1151         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1152                 n = newclient(c);
1153                 break;
1154         default:
1155                 return NULL;
1156         }
1157
1158         return GTK_WIDGET(n->view);
1159 }
1160
1161 gboolean
1162 buttonreleased(GtkWidget *w, GdkEvent *e, Client *c)
1163 {
1164         WebKitHitTestResultContext element;
1165         int i;
1166
1167         element = webkit_hit_test_result_get_context(c->mousepos);
1168
1169         for (i = 0; i < LENGTH(buttons); ++i) {
1170                 if (element & buttons[i].target &&
1171                     e->button.button == buttons[i].button &&
1172                     CLEANMASK(e->button.state) == CLEANMASK(buttons[i].mask) &&
1173                     buttons[i].func) {
1174                         buttons[i].func(c, &buttons[i].arg, c->mousepos);
1175                         return buttons[i].stopevent;
1176                 }
1177         }
1178
1179         return FALSE;
1180 }
1181
1182 GdkFilterReturn
1183 processx(GdkXEvent *e, GdkEvent *event, gpointer d)
1184 {
1185         Client *c = (Client *)d;
1186         XPropertyEvent *ev;
1187         Arg a;
1188
1189         if (((XEvent *)e)->type == PropertyNotify) {
1190                 ev = &((XEvent *)e)->xproperty;
1191                 if (ev->state == PropertyNewValue) {
1192                         if (ev->atom == atoms[AtomFind]) {
1193                                 find(c, NULL);
1194
1195                                 return GDK_FILTER_REMOVE;
1196                         } else if (ev->atom == atoms[AtomGo]) {
1197                                 a.v = getatom(c, AtomGo);
1198                                 loaduri(c, &a);
1199
1200                                 return GDK_FILTER_REMOVE;
1201                         }
1202                 }
1203         }
1204         return GDK_FILTER_CONTINUE;
1205 }
1206
1207 gboolean
1208 winevent(GtkWidget *w, GdkEvent *e, Client *c)
1209 {
1210         int i;
1211
1212         switch (e->type) {
1213         case GDK_ENTER_NOTIFY:
1214                 c->overtitle = c->targeturi;
1215                 updatetitle(c);
1216                 break;
1217         case GDK_KEY_PRESS:
1218                 if (!curconfig[KioskMode].val.b) {
1219                         for (i = 0; i < LENGTH(keys); ++i) {
1220                                 if (gdk_keyval_to_lower(e->key.keyval) ==
1221                                     keys[i].keyval &&
1222                                     CLEANMASK(e->key.state) == keys[i].mod &&
1223                                     keys[i].func) {
1224                                         updatewinid(c);
1225                                         keys[i].func(c, &(keys[i].arg));
1226                                         return TRUE;
1227                                 }
1228                         }
1229                 }
1230         case GDK_LEAVE_NOTIFY:
1231                 c->overtitle = NULL;
1232                 updatetitle(c);
1233                 break;
1234         case GDK_WINDOW_STATE:
1235                 if (e->window_state.changed_mask ==
1236                     GDK_WINDOW_STATE_FULLSCREEN)
1237                         c->fullscreen = e->window_state.new_window_state &
1238                                         GDK_WINDOW_STATE_FULLSCREEN;
1239                 break;
1240         default:
1241                 break;
1242         }
1243
1244         return FALSE;
1245 }
1246
1247 void
1248 showview(WebKitWebView *v, Client *c)
1249 {
1250         GdkRGBA bgcolor = { 0 };
1251         GdkWindow *gwin;
1252
1253         c->finder = webkit_web_view_get_find_controller(c->view);
1254         c->inspector = webkit_web_view_get_inspector(c->view);
1255
1256         c->win = createwindow(c);
1257
1258         gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
1259         gtk_widget_show_all(c->win);
1260         gtk_widget_grab_focus(GTK_WIDGET(c->view));
1261
1262         gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
1263         c->xid = gdk_x11_window_get_xid(gwin);
1264         updatewinid(c);
1265         if (showxid) {
1266                 gdk_display_sync(gtk_widget_get_display(c->win));
1267                 puts(winid);
1268         }
1269
1270         if (curconfig[HideBackground].val.b)
1271                 webkit_web_view_set_background_color(c->view, &bgcolor);
1272
1273         if (!curconfig[KioskMode].val.b) {
1274                 gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
1275                 gdk_window_add_filter(gwin, processx, c);
1276         }
1277
1278         if (curconfig[RunInFullscreen].val.b)
1279                 togglefullscreen(c, NULL);
1280
1281         if (curconfig[ZoomLevel].val.f != 1.0)
1282                 webkit_web_view_set_zoom_level(c->view,
1283                                                curconfig[ZoomLevel].val.f);
1284
1285         setatom(c, AtomFind, "");
1286         setatom(c, AtomUri, "about:blank");
1287 }
1288
1289 GtkWidget *
1290 createwindow(Client *c)
1291 {
1292         char *wmstr;
1293         GtkWidget *w;
1294
1295         if (embed) {
1296                 w = gtk_plug_new(embed);
1297         } else {
1298                 w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1299
1300                 wmstr = g_path_get_basename(argv0);
1301                 gtk_window_set_wmclass(GTK_WINDOW(w), wmstr, "Surf");
1302                 g_free(wmstr);
1303
1304                 wmstr = g_strdup_printf("%s[%lu]", "Surf",
1305                         webkit_web_view_get_page_id(c->view));
1306                 gtk_window_set_role(GTK_WINDOW(w), wmstr);
1307                 g_free(wmstr);
1308
1309                 gtk_window_set_default_size(GTK_WINDOW(w), winsize[0], winsize[1]);
1310         }
1311
1312         g_signal_connect(G_OBJECT(w), "destroy",
1313                          G_CALLBACK(destroywin), c);
1314         g_signal_connect(G_OBJECT(w), "enter-notify-event",
1315                          G_CALLBACK(winevent), c);
1316         g_signal_connect(G_OBJECT(w), "key-press-event",
1317                          G_CALLBACK(winevent), c);
1318         g_signal_connect(G_OBJECT(w), "leave-notify-event",
1319                          G_CALLBACK(winevent), c);
1320         g_signal_connect(G_OBJECT(w), "window-state-event",
1321                          G_CALLBACK(winevent), c);
1322
1323         return w;
1324 }
1325
1326 gboolean
1327 loadfailedtls(WebKitWebView *v, gchar *uri, GTlsCertificate *cert,
1328               GTlsCertificateFlags err, Client *c)
1329 {
1330         GString *errmsg = g_string_new(NULL);
1331         gchar *html, *pem;
1332
1333         c->failedcert = g_object_ref(cert);
1334         c->tlserr = err;
1335         c->errorpage = 1;
1336
1337         if (err & G_TLS_CERTIFICATE_UNKNOWN_CA)
1338                 g_string_append(errmsg,
1339                     "The signing certificate authority is not known.<br>");
1340         if (err & G_TLS_CERTIFICATE_BAD_IDENTITY)
1341                 g_string_append(errmsg,
1342                     "The certificate does not match the expected identity "
1343                     "of the site that it was retrieved from.<br>");
1344         if (err & G_TLS_CERTIFICATE_NOT_ACTIVATED)
1345                 g_string_append(errmsg,
1346                     "The certificate's activation time "
1347                     "is still in the future.<br>");
1348         if (err & G_TLS_CERTIFICATE_EXPIRED)
1349                 g_string_append(errmsg, "The certificate has expired.<br>");
1350         if (err & G_TLS_CERTIFICATE_REVOKED)
1351                 g_string_append(errmsg,
1352                     "The certificate has been revoked according to "
1353                     "the GTlsConnection's certificate revocation list.<br>");
1354         if (err & G_TLS_CERTIFICATE_INSECURE)
1355                 g_string_append(errmsg,
1356                     "The certificate's algorithm is considered insecure.<br>");
1357         if (err & G_TLS_CERTIFICATE_GENERIC_ERROR)
1358                 g_string_append(errmsg,
1359                     "Some error occurred validating the certificate.<br>");
1360
1361         g_object_get(cert, "certificate-pem", &pem, NULL);
1362         html = g_strdup_printf("<p>Could not validate TLS for “%s”<br>%s</p>"
1363                                "<p>You can inspect the following certificate "
1364                                "with Ctrl-t (default keybinding).</p>"
1365                                "<p><pre>%s</pre></p>", uri, errmsg->str, pem);
1366         g_free(pem);
1367         g_string_free(errmsg, TRUE);
1368
1369         webkit_web_view_load_alternate_html(c->view, html, uri, NULL);
1370         g_free(html);
1371
1372         return TRUE;
1373 }
1374
1375 void
1376 loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
1377 {
1378         const char *uri = geturi(c);
1379
1380         switch (e) {
1381         case WEBKIT_LOAD_STARTED:
1382                 setatom(c, AtomUri, uri);
1383                 c->title = uri;
1384                 c->https = c->insecure = 0;
1385                 seturiparameters(c, uri);
1386                 if (c->errorpage)
1387                         c->errorpage = 0;
1388                 else
1389                         g_clear_object(&c->failedcert);
1390                 break;
1391         case WEBKIT_LOAD_REDIRECTED:
1392                 setatom(c, AtomUri, uri);
1393                 c->title = uri;
1394                 seturiparameters(c, uri);
1395                 break;
1396         case WEBKIT_LOAD_COMMITTED:
1397                 c->https = webkit_web_view_get_tls_info(c->view, &c->cert,
1398                                                         &c->tlserr);
1399                 break;
1400         case WEBKIT_LOAD_FINISHED:
1401                 /* Disabled until we write some WebKitWebExtension for
1402                  * manipulating the DOM directly.
1403                 evalscript(c, "document.documentElement.style.overflow = '%s'",
1404                     enablescrollbars ? "auto" : "hidden");
1405                 */
1406                 runscript(c);
1407                 break;
1408         }
1409         updatetitle(c);
1410 }
1411
1412 void
1413 progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
1414 {
1415         c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
1416                       100;
1417         updatetitle(c);
1418 }
1419
1420 void
1421 titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
1422 {
1423         c->title = webkit_web_view_get_title(c->view);
1424         updatetitle(c);
1425 }
1426
1427 void
1428 mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
1429     Client *c)
1430 {
1431         WebKitHitTestResultContext hc = webkit_hit_test_result_get_context(h);
1432
1433         /* Keep the hit test to know where is the pointer on the next click */
1434         c->mousepos = h;
1435
1436         if (hc & OnLink)
1437                 c->targeturi = webkit_hit_test_result_get_link_uri(h);
1438         else if (hc & OnImg)
1439                 c->targeturi = webkit_hit_test_result_get_image_uri(h);
1440         else if (hc & OnMedia)
1441                 c->targeturi = webkit_hit_test_result_get_media_uri(h);
1442         else
1443                 c->targeturi = NULL;
1444
1445         c->overtitle = c->targeturi;
1446         updatetitle(c);
1447 }
1448
1449 gboolean
1450 permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
1451 {
1452         if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
1453                 if (curconfig[Geolocation].val.b)
1454                         webkit_permission_request_allow(r);
1455                 else
1456                         webkit_permission_request_deny(r);
1457                 return TRUE;
1458         }
1459
1460         return FALSE;
1461 }
1462
1463 gboolean
1464 decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
1465     WebKitPolicyDecisionType dt, Client *c)
1466 {
1467         switch (dt) {
1468         case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
1469                 decidenavigation(d, c);
1470                 break;
1471         case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
1472                 decidenewwindow(d, c);
1473                 break;
1474         case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
1475                 decideresource(d, c);
1476                 break;
1477         default:
1478                 webkit_policy_decision_ignore(d);
1479                 break;
1480         }
1481         return TRUE;
1482 }
1483
1484 void
1485 decidenavigation(WebKitPolicyDecision *d, Client *c)
1486 {
1487         WebKitNavigationAction *a =
1488             webkit_navigation_policy_decision_get_navigation_action(
1489             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1490
1491         switch (webkit_navigation_action_get_navigation_type(a)) {
1492         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1493         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1494         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1495         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1496         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED: /* fallthrough */
1497         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1498         default:
1499                 /* Do not navigate to links with a "_blank" target (popup) */
1500                 if (webkit_navigation_policy_decision_get_frame_name(
1501                     WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
1502                         webkit_policy_decision_ignore(d);
1503                 } else {
1504                         /* Filter out navigation to different domain ? */
1505                         /* get action→urirequest, copy and load in new window+view
1506                          * on Ctrl+Click ? */
1507                         webkit_policy_decision_use(d);
1508                 }
1509                 break;
1510         }
1511 }
1512
1513 void
1514 decidenewwindow(WebKitPolicyDecision *d, Client *c)
1515 {
1516         Arg arg;
1517         WebKitNavigationAction *a =
1518             webkit_navigation_policy_decision_get_navigation_action(
1519             WEBKIT_NAVIGATION_POLICY_DECISION(d));
1520
1521
1522         switch (webkit_navigation_action_get_navigation_type(a)) {
1523         case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
1524         case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
1525         case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
1526         case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
1527         case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
1528                 /* Filter domains here */
1529 /* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
1530  * test for link clicked but no button ? */
1531                 arg.v = webkit_uri_request_get_uri(
1532                         webkit_navigation_action_get_request(a));
1533                 newwindow(c, &arg, 0);
1534                 break;
1535         case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
1536         default:
1537                 break;
1538         }
1539
1540         webkit_policy_decision_ignore(d);
1541 }
1542
1543 void
1544 decideresource(WebKitPolicyDecision *d, Client *c)
1545 {
1546         int i, isascii = 1;
1547         WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
1548         WebKitURIResponse *res =
1549             webkit_response_policy_decision_get_response(r);
1550         const gchar *uri = webkit_uri_response_get_uri(res);
1551
1552         if (g_str_has_suffix(uri, "/favicon.ico")) {
1553                 webkit_policy_decision_ignore(d);
1554                 return;
1555         }
1556
1557         if (!g_str_has_prefix(uri, "http://")
1558             && !g_str_has_prefix(uri, "https://")
1559             && !g_str_has_prefix(uri, "about:")
1560             && !g_str_has_prefix(uri, "file://")
1561             && !g_str_has_prefix(uri, "data:")
1562             && !g_str_has_prefix(uri, "blob:")
1563             && strlen(uri) > 0) {
1564                 for (i = 0; i < strlen(uri); i++) {
1565                         if (!g_ascii_isprint(uri[i])) {
1566                                 isascii = 0;
1567                                 break;
1568                         }
1569                 }
1570                 if (isascii) {
1571                         handleplumb(c, uri);
1572                         webkit_policy_decision_ignore(d);
1573                         return;
1574                 }
1575         }
1576
1577         if (webkit_response_policy_decision_is_mime_type_supported(r)) {
1578                 webkit_policy_decision_use(d);
1579         } else {
1580                 webkit_policy_decision_ignore(d);
1581                 download(c, res);
1582         }
1583 }
1584
1585 void
1586 insecurecontent(WebKitWebView *v, WebKitInsecureContentEvent e, Client *c)
1587 {
1588         c->insecure = 1;
1589 }
1590
1591 void
1592 downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
1593 {
1594         g_signal_connect(G_OBJECT(d), "notify::response",
1595                          G_CALLBACK(responsereceived), c);
1596 }
1597
1598 void
1599 responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
1600 {
1601         download(c, webkit_download_get_response(d));
1602         webkit_download_cancel(d);
1603 }
1604
1605 void
1606 download(Client *c, WebKitURIResponse *r)
1607 {
1608         Arg a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
1609         spawn(c, &a);
1610 }
1611
1612 void
1613 closeview(WebKitWebView *v, Client *c)
1614 {
1615         gtk_widget_destroy(c->win);
1616 }
1617
1618 void
1619 destroywin(GtkWidget* w, Client *c)
1620 {
1621         destroyclient(c);
1622         if (!clients)
1623                 gtk_main_quit();
1624 }
1625
1626 void
1627 pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
1628 {
1629         Arg a = {.v = text };
1630         if (text)
1631                 loaduri((Client *) d, &a);
1632 }
1633
1634 void
1635 reload(Client *c, const Arg *a)
1636 {
1637         if (a->b)
1638                 webkit_web_view_reload_bypass_cache(c->view);
1639         else
1640                 webkit_web_view_reload(c->view);
1641 }
1642
1643 void
1644 print(Client *c, const Arg *a)
1645 {
1646         webkit_print_operation_run_dialog(webkit_print_operation_new(c->view),
1647                                           GTK_WINDOW(c->win));
1648 }
1649
1650 void
1651 showcert(Client *c, const Arg *a)
1652 {
1653         GTlsCertificate *cert = c->failedcert ? c->failedcert : c->cert;
1654         GcrCertificate *gcrt;
1655         GByteArray *crt;
1656         GtkWidget *win;
1657         GcrCertificateWidget *wcert;
1658
1659         if (!cert)
1660                 return;
1661
1662         g_object_get(cert, "certificate", &crt, NULL);
1663         gcrt = gcr_simple_certificate_new(crt->data, crt->len);
1664         g_byte_array_unref(crt);
1665
1666         win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
1667         wcert = gcr_certificate_widget_new(gcrt);
1668         g_object_unref(gcrt);
1669
1670         gtk_container_add(GTK_CONTAINER(win), GTK_WIDGET(wcert));
1671         gtk_widget_show_all(win);
1672 }
1673
1674 void
1675 clipboard(Client *c, const Arg *a)
1676 {
1677         if (a->b) { /* load clipboard uri */
1678                 gtk_clipboard_request_text(gtk_clipboard_get(
1679                                            GDK_SELECTION_PRIMARY),
1680                                            pasteuri, c);
1681         } else { /* copy uri */
1682                 gtk_clipboard_set_text(gtk_clipboard_get(
1683                                        GDK_SELECTION_PRIMARY), c->targeturi
1684                                        ? c->targeturi : geturi(c), -1);
1685         }
1686 }
1687
1688 void
1689 zoom(Client *c, const Arg *a)
1690 {
1691         if (a->i > 0)
1692                 webkit_web_view_set_zoom_level(c->view,
1693                                                curconfig[ZoomLevel].val.f + 0.1);
1694         else if (a->i < 0)
1695                 webkit_web_view_set_zoom_level(c->view,
1696                                                curconfig[ZoomLevel].val.f - 0.1);
1697         else
1698                 webkit_web_view_set_zoom_level(c->view, 1.0);
1699
1700         curconfig[ZoomLevel].val.f = webkit_web_view_get_zoom_level(c->view);
1701 }
1702
1703 void
1704 scroll(Client *c, const Arg *a)
1705 {
1706         GdkEvent *ev = gdk_event_new(GDK_KEY_PRESS);
1707
1708         gdk_event_set_device(ev, gdkkb);
1709         ev->key.window = gtk_widget_get_window(GTK_WIDGET(c->win));
1710         ev->key.state = GDK_CONTROL_MASK;
1711         ev->key.time = GDK_CURRENT_TIME;
1712
1713         switch (a->i) {
1714         case 'd':
1715                 ev->key.keyval = GDK_KEY_Down;
1716                 break;
1717         case 'D':
1718                 ev->key.keyval = GDK_KEY_Page_Down;
1719                 break;
1720         case 'l':
1721                 ev->key.keyval = GDK_KEY_Left;
1722                 break;
1723         case 'r':
1724                 ev->key.keyval = GDK_KEY_Right;
1725                 break;
1726         case 'U':
1727                 ev->key.keyval = GDK_KEY_Page_Up;
1728                 break;
1729         case 'u':
1730                 ev->key.keyval = GDK_KEY_Up;
1731                 break;
1732         }
1733
1734         gdk_event_put(ev);
1735 }
1736
1737 void
1738 navigate(Client *c, const Arg *a)
1739 {
1740         if (a->i < 0)
1741                 webkit_web_view_go_back(c->view);
1742         else if (a->i > 0)
1743                 webkit_web_view_go_forward(c->view);
1744 }
1745
1746 void
1747 stop(Client *c, const Arg *a)
1748 {
1749         webkit_web_view_stop_loading(c->view);
1750 }
1751
1752 void
1753 toggle(Client *c, const Arg *a)
1754 {
1755         curconfig[a->i].val.b ^= 1;
1756         setparameter(c, 1, (ParamName)a->i, &curconfig[a->i].val);
1757 }
1758
1759 void
1760 togglefullscreen(Client *c, const Arg *a)
1761 {
1762         /* toggling value is handled in winevent() */
1763         if (c->fullscreen)
1764                 gtk_window_unfullscreen(GTK_WINDOW(c->win));
1765         else
1766                 gtk_window_fullscreen(GTK_WINDOW(c->win));
1767 }
1768
1769 void
1770 togglecookiepolicy(Client *c, const Arg *a)
1771 {
1772         ++cookiepolicy;
1773         cookiepolicy %= strlen(curconfig[CookiePolicies].val.v);
1774
1775         setparameter(c, 0, CookiePolicies, NULL);
1776 }
1777
1778 void
1779 toggleinspector(Client *c, const Arg *a)
1780 {
1781         if (webkit_web_inspector_is_attached(c->inspector))
1782                 webkit_web_inspector_close(c->inspector);
1783         else if (curconfig[Inspector].val.b)
1784                 webkit_web_inspector_show(c->inspector);
1785 }
1786
1787 void
1788 find(Client *c, const Arg *a)
1789 {
1790         const char *s, *f;
1791
1792         if (a && a->i) {
1793                 if (a->i > 0)
1794                         webkit_find_controller_search_next(c->finder);
1795                 else
1796                         webkit_find_controller_search_previous(c->finder);
1797         } else {
1798                 s = getatom(c, AtomFind);
1799                 f = webkit_find_controller_get_search_text(c->finder);
1800
1801                 if (g_strcmp0(f, s) == 0) /* reset search */
1802                         webkit_find_controller_search(c->finder, "", findopts,
1803                                                       G_MAXUINT);
1804
1805                 webkit_find_controller_search(c->finder, s, findopts,
1806                                               G_MAXUINT);
1807
1808                 if (strcmp(s, "") == 0)
1809                         webkit_find_controller_search_finish(c->finder);
1810         }
1811 }
1812
1813 void
1814 clicknavigate(Client *c, const Arg *a, WebKitHitTestResult *h)
1815 {
1816         navigate(c, a);
1817 }
1818
1819 void
1820 clicknewwindow(Client *c, const Arg *a, WebKitHitTestResult *h)
1821 {
1822         Arg arg;
1823
1824         arg.v = webkit_hit_test_result_get_link_uri(h);
1825         newwindow(c, &arg, a->b);
1826 }
1827
1828 void
1829 clickexternplayer(Client *c, const Arg *a, WebKitHitTestResult *h)
1830 {
1831         Arg arg;
1832
1833         arg = (Arg)VIDEOPLAY(webkit_hit_test_result_get_media_uri(h));
1834         spawn(c, &arg);
1835 }
1836
1837 int
1838 main(int argc, char *argv[])
1839 {
1840         Arg arg;
1841         Client *c;
1842
1843         memset(&arg, 0, sizeof(arg));
1844
1845         /* command line args */
1846         ARGBEGIN {
1847         case 'a':
1848                 defconfig CSETV(CookiePolicies, EARGF(usage()));
1849                 break;
1850         case 'b':
1851                 defconfig CSETB(ScrollBars, 0);
1852                 break;
1853         case 'B':
1854                 defconfig CSETB(ScrollBars, 1);
1855                 break;
1856         case 'c':
1857                 cookiefile = EARGF(usage());
1858                 break;
1859         case 'C':
1860                 stylefile = EARGF(usage());
1861                 break;
1862         case 'd':
1863                 defconfig CSETB(DiskCache, 0);
1864                 break;
1865         case 'D':
1866                 defconfig CSETB(DiskCache, 1);
1867                 break;
1868         case 'e':
1869                 embed = strtol(EARGF(usage()), NULL, 0);
1870                 break;
1871         case 'f':
1872                 defconfig CSETB(RunInFullscreen, 0);
1873                 break;
1874         case 'F':
1875                 defconfig CSETB(RunInFullscreen, 1);
1876                 break;
1877         case 'g':
1878                 defconfig CSETB(Geolocation, 0);
1879                 break;
1880         case 'G':
1881                 defconfig CSETB(Geolocation, 1);
1882                 break;
1883         case 'i':
1884                 defconfig CSETB(LoadImages, 0);
1885                 break;
1886         case 'I':
1887                 defconfig CSETB(LoadImages, 1);
1888                 break;
1889         case 'k':
1890                 defconfig CSETB(KioskMode, 0);
1891                 break;
1892         case 'K':
1893                 defconfig CSETB(KioskMode, 1);
1894                 break;
1895         case 'm':
1896                 defconfig CSETB(Style, 0);
1897                 break;
1898         case 'M':
1899                 defconfig CSETB(Style, 1);
1900                 break;
1901         case 'n':
1902                 defconfig CSETB(Inspector, 0);
1903                 break;
1904         case 'N':
1905                 defconfig CSETB(Inspector, 1);
1906                 break;
1907         case 'p':
1908                 defconfig CSETB(Plugins, 0);
1909                 break;
1910         case 'P':
1911                 defconfig CSETB(Plugins, 1);
1912                 break;
1913         case 'r':
1914                 scriptfile = EARGF(usage());
1915                 break;
1916         case 's':
1917                 defconfig CSETB(JavaScript, 0);
1918                 break;
1919         case 'S':
1920                 defconfig CSETB(JavaScript, 1);
1921                 break;
1922         case 't':
1923                 defconfig CSETB(StrictTLS, 0);
1924                 break;
1925         case 'T':
1926                 defconfig CSETB(StrictTLS, 1);
1927                 break;
1928         case 'u':
1929                 fulluseragent = EARGF(usage());
1930                 break;
1931         case 'v':
1932                 die("surf-"VERSION", see LICENSE for © details\n");
1933         case 'w':
1934                 showxid = 1;
1935                 break;
1936         case 'x':
1937                 defconfig CSETB(Certificate, 0);
1938                 break;
1939         case 'X':
1940                 defconfig CSETB(Certificate, 1);
1941                 break;
1942         case 'z':
1943                 defconfig CSETF(ZoomLevel, strtof(EARGF(usage()), NULL));
1944                 break;
1945         default:
1946                 usage();
1947         } ARGEND;
1948         if (argc > 0)
1949                 arg.v = argv[0];
1950         else
1951                 arg.v = "about:blank";
1952
1953         setup();
1954         c = newclient(NULL);
1955         showview(NULL, c);
1956
1957         loaduri(c, &arg);
1958         updatetitle(c);
1959
1960         gtk_main();
1961         cleanup();
1962
1963         return 0;
1964 }