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