surf/surf.c
Quentin Rameau 701815a5f2 Adapt clipboard()
Replace linkhover with target uri and add some comments
2015-11-20 00:34:22 +01:00

1665 lines
38 KiB
C

/* See LICENSE file for copyright and license details.
*
* To understand surf, start reading main().
*/
#include <signal.h>
#include <X11/X.h>
#include <X11/Xatom.h>
#include <gtk/gtkx.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <webkit2/webkit2.h>
#include <glib/gstdio.h>
#include <JavaScriptCore/JavaScript.h>
#include <sys/file.h>
#include <libgen.h>
#include <stdarg.h>
#include <regex.h>
#include <pwd.h>
#include <string.h>
#include "arg.h"
char *argv0;
#define LENGTH(x) (sizeof(x) / sizeof(x[0]))
#define CLEANMASK(mask) (mask & (MODKEY|GDK_SHIFT_MASK))
enum { AtomFind, AtomGo, AtomUri, AtomLast };
enum {
OnDoc = WEBKIT_HIT_TEST_RESULT_CONTEXT_DOCUMENT,
OnLink = WEBKIT_HIT_TEST_RESULT_CONTEXT_LINK,
OnImg = WEBKIT_HIT_TEST_RESULT_CONTEXT_IMAGE,
OnMedia = WEBKIT_HIT_TEST_RESULT_CONTEXT_MEDIA,
OnEdit = WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE,
OnBar = WEBKIT_HIT_TEST_RESULT_CONTEXT_SCROLLBAR,
OnSel = WEBKIT_HIT_TEST_RESULT_CONTEXT_SELECTION,
OnAny = OnDoc | OnLink | OnImg | OnMedia | OnEdit | OnBar | OnSel,
};
typedef union Arg Arg;
union Arg {
gboolean b;
gint i;
const void *v;
};
typedef struct Client {
GtkWidget *win;
Window xid;
WebKitWebView *view;
WebKitWebInspector *inspector;
WebKitHitTestResult *mousepos;
GTlsCertificateFlags tlsflags;
const char *title, *targeturi;
const char *needle;
gint progress;
struct Client *next;
gboolean zoomed, fullscreen, isinspecting;
} Client;
typedef struct {
guint mod;
guint keyval;
void (*func)(Client *c, const Arg *arg);
const Arg arg;
} Key;
typedef struct {
unsigned int target;
unsigned int mask;
guint button;
void (*func)(Client *c, const Arg *a, WebKitHitTestResult *h);
const Arg arg;
unsigned int stopevent;
} Button;
typedef struct {
char *regex;
char *style;
regex_t re;
} SiteStyle;
static Display *dpy;
static Atom atoms[AtomLast];
static Client *clients = NULL;
static Window embed = 0;
static gboolean showxid = FALSE;
static char winid[64];
static char togglestat[9];
static char pagestat[3];
static GTlsDatabase *tlsdb;
static int cookiepolicy;
static char *stylefile = NULL;
static void addaccelgroup(Client *c);
static char *buildfile(const char *path);
static char *buildpath(const char *path);
static gboolean buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c);
static void cleanup(void);
static void clipboard(Client *c, const Arg *a);
static WebKitCookieAcceptPolicy cookiepolicy_get(void);
static char cookiepolicy_set(const WebKitCookieAcceptPolicy p);
static char *copystr(char **str, const char *src);
static GtkWidget *createview(WebKitWebView *v, WebKitNavigationAction *a,
Client *c);
static gboolean decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
WebKitPolicyDecisionType dt, Client *c);
static void decidenavigation(WebKitPolicyDecision *d, Client *c);
static void decidenewwindow(WebKitPolicyDecision *d, Client *c);
static void decideresource(WebKitPolicyDecision *d, Client *c);
static void closeview(WebKitWebView *v, Client *c);
static void destroyclient(Client *c);
static void destroywin(GtkWidget* w, Client *c);
static void die(const char *errstr, ...);
static void evalscript(Client *c, const char *jsstr, ...);
static void runscript(Client *c);
static void find(Client *c, const Arg *arg);
static void togglefullscreen(Client *c, const Arg *a);
static gboolean permissionrequested(WebKitWebView *v,
WebKitPermissionRequest *r, Client *c);
static const char *getatom(Client *c, int a);
static void gettogglestat(Client *c);
static void getpagestat(Client *c);
static char *geturi(Client *c);
static const gchar *getstyle(const char *uri);
static void setstyle(Client *c, const char *style);
static void handleplumb(Client *c, const gchar *uri);
static void downloadstarted(WebKitWebContext *wc, WebKitDownload *d,
Client *c);
static void responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c);
static void download(Client *c, WebKitURIResponse *r);
static void inspector(Client *c, const Arg *arg);
static WebKitWebView *inspector_new(WebKitWebInspector *i, WebKitWebView *v,
Client *c);
static gboolean inspector_show(WebKitWebInspector *i, Client *c);
static gboolean inspector_close(WebKitWebInspector *i, Client *c);
static void inspector_finished(WebKitWebInspector *i, Client *c);
static gboolean keypress(GtkAccelGroup *group, GObject *obj, guint key,
GdkModifierType mods, Client *c);
static void mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h,
guint modifiers, Client *c);
static void loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c);
static void loaduri(Client *c, const Arg *arg);
static void navigate(Client *c, const Arg *arg);
static Client *newclient(Client *c);
static WebKitWebView *newview(Client *c, WebKitWebView *rv);
static void showview(WebKitWebView *v, Client *c);
static void newwindow(Client *c, const Arg *arg, gboolean noembed);
static GtkWidget *createwindow(Client *c);
static void pasteuri(GtkClipboard *clipboard, const char *text, gpointer d);
static void print(Client *c, const Arg *arg);
static GdkFilterReturn processx(GdkXEvent *xevent, GdkEvent *event,
gpointer d);
static gboolean winevent(GtkWidget *w, GdkEvent *e, Client *c);
static void progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c);
static void linkopen(Client *c, const Arg *arg);
static void linkopenembed(Client *c, const Arg *arg);
static void reload(Client *c, const Arg *arg);
static void scroll_h(Client *c, const Arg *arg);
static void scroll_v(Client *c, const Arg *arg);
static void scroll(GtkAdjustment *a, const Arg *arg);
static void setatom(Client *c, int a, const char *v);
static void setup(void);
static void sigchld(int unused);
static void spawn(Client *c, const Arg *arg);
static void stop(Client *c, const Arg *arg);
static void titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c);
static void toggle(Client *c, const Arg *arg);
static void togglecookiepolicy(Client *c, const Arg *arg);
static void togglegeolocation(Client *c, const Arg *arg);
static void togglescrollbars(Client *c, const Arg *arg);
static void togglestyle(Client *c, const Arg *arg);
static void updatetitle(Client *c);
static void updatewinid(Client *c);
static void usage(void);
static void zoom(Client *c, const Arg *arg);
/* configuration, allows nested code to access above variables */
#include "config.h"
void
addaccelgroup(Client *c)
{
int i;
GtkAccelGroup *group = gtk_accel_group_new();
GClosure *closure;
for (i = 0; i < LENGTH(keys); i++) {
closure = g_cclosure_new(G_CALLBACK(keypress), c, NULL);
gtk_accel_group_connect(group, keys[i].keyval, keys[i].mod, 0,
closure);
}
gtk_window_add_accel_group(GTK_WINDOW(c->win), group);
}
char *
buildfile(const char *path)
{
char *dname, *bname, *bpath, *fpath;
FILE *f;
dname = g_path_get_dirname(path);
bname = g_path_get_basename(path);
bpath = buildpath(dname);
g_free(dname);
fpath = g_build_filename(bpath, bname, NULL);
g_free(bpath);
g_free(bname);
if (!(f = fopen(fpath, "a")))
die("Could not open file: %s\n", fpath);
g_chmod(fpath, 0600); /* always */
fclose(f);
return fpath;
}
char *
buildpath(const char *path)
{
struct passwd *pw;
char *apath, *name, *p, *fpath;
if (path[0] == '~') {
if (path[1] == '/' || path[1] == '\0') {
p = (char *)&path[1];
pw = getpwuid(getuid());
} else {
if ((p = strchr(path, '/')))
name = g_strndup(&path[1], --p - path);
else
name = g_strdup(&path[1]);
if (!(pw = getpwnam(name))) {
die("Can't get user %s home directory: %s.\n",
name, path);
}
g_free(name);
}
apath = g_build_filename(pw->pw_dir, p, NULL);
} else {
apath = g_strdup(path);
}
/* creating directory */
if (g_mkdir_with_parents(apath, 0700) < 0)
die("Could not access directory: %s\n", apath);
fpath = realpath(apath, NULL);
g_free(apath);
return fpath;
}
gboolean
buttonreleased(GtkWidget *w, GdkEventKey *e, Client *c)
{
WebKitHitTestResultContext element;
GdkEventButton *eb = (GdkEventButton*)e;
int i;
element = webkit_hit_test_result_get_context(c->mousepos);
for (i = 0; i < LENGTH(buttons); ++i) {
if (element & buttons[i].target &&
eb->button == buttons[i].button &&
CLEANMASK(eb->state) == CLEANMASK(buttons[i].mask) &&
buttons[i].func) {
buttons[i].func(c, &buttons[i].arg, c->mousepos);
return buttons[i].stopevent;
}
}
return FALSE;
}
void
cleanup(void)
{
while (clients)
destroyclient(clients);
g_free(cookiefile);
g_free(scriptfile);
g_free(stylefile);
g_free(cachedir);
}
WebKitCookieAcceptPolicy
cookiepolicy_get(void)
{
switch (cookiepolicies[cookiepolicy]) {
case 'a':
return WEBKIT_COOKIE_POLICY_ACCEPT_NEVER;
case '@':
return WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY;
case 'A':
default:
break;
}
return WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS;
}
char
cookiepolicy_set(const WebKitCookieAcceptPolicy ep)
{
switch (ep) {
case WEBKIT_COOKIE_POLICY_ACCEPT_NEVER:
return 'a';
case WEBKIT_COOKIE_POLICY_ACCEPT_NO_THIRD_PARTY:
return '@';
case WEBKIT_COOKIE_POLICY_ACCEPT_ALWAYS:
default:
break;
}
return 'A';
}
void
evalscript(Client *c, const char *jsstr, ...)
{
va_list ap;
gchar *script;
va_start(ap, jsstr);
script = g_strdup_vprintf(jsstr, ap);
va_end(ap);
webkit_web_view_run_javascript(c->view, script, NULL, NULL, NULL);
g_free(script);
}
void
runscript(Client *c)
{
gchar *script;
gsize l;
if (g_file_get_contents(scriptfile, &script, &l, NULL) && l)
evalscript(c, script);
g_free(script);
}
void
clipboard(Client *c, const Arg *a)
{
if (a->b) { /* load clipboard uri */
gtk_clipboard_request_text(gtk_clipboard_get(
GDK_SELECTION_PRIMARY),
pasteuri, c);
} else { /* copy uri */
gtk_clipboard_set_text(gtk_clipboard_get(
GDK_SELECTION_PRIMARY), c->targeturi
? c->targeturi : geturi(c), -1);
}
}
char *
copystr(char **str, const char *src)
{
char *tmp;
tmp = g_strdup(src);
if (str && *str) {
g_free(*str);
*str = tmp;
}
return tmp;
}
GtkWidget *
createview(WebKitWebView *v, WebKitNavigationAction *a, Client *c)
{
Client *n;
switch (webkit_navigation_action_get_navigation_type(a)) {
case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
/*
* popup windows of type “other” are almost always triggered
* by user gesture, so inverse the logic here
*/
/* instead of this, compare destination uri to mouse-over uri for validating window */
if (webkit_navigation_action_is_user_gesture(a)) {
return NULL;
break;
}
case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
n = newclient(c);
break;
default:
return NULL;
break;
}
return GTK_WIDGET(n->view);
}
gboolean
decidepolicy(WebKitWebView *v, WebKitPolicyDecision *d,
WebKitPolicyDecisionType dt, Client *c)
{
switch (dt) {
case WEBKIT_POLICY_DECISION_TYPE_NAVIGATION_ACTION:
decidenavigation(d, c);
break;
case WEBKIT_POLICY_DECISION_TYPE_NEW_WINDOW_ACTION:
decidenewwindow(d, c);
break;
case WEBKIT_POLICY_DECISION_TYPE_RESPONSE:
decideresource(d, c);
break;
default:
webkit_policy_decision_ignore(d);
break;
}
return TRUE;
}
void
decidenavigation(WebKitPolicyDecision *d, Client *c)
{
WebKitNavigationAction *a;
a = webkit_navigation_policy_decision_get_navigation_action(
WEBKIT_NAVIGATION_POLICY_DECISION(d));
switch (webkit_navigation_action_get_navigation_type(a)) {
case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
default:
/* Do not navigate to links with a "_blank" target (popup) */
if (webkit_navigation_policy_decision_get_frame_name(
WEBKIT_NAVIGATION_POLICY_DECISION(d))) {
webkit_policy_decision_ignore(d);
} else {
/* Filter out navigation to different domain ? */
/* get action→urirequest, copy and load in new window+view
* on Ctrl+Click ? */
webkit_policy_decision_use(d);
}
break;
}
}
void
decidenewwindow(WebKitPolicyDecision *d, Client *c)
{
WebKitNavigationAction *a;
Arg arg;
a = webkit_navigation_policy_decision_get_navigation_action(
WEBKIT_NAVIGATION_POLICY_DECISION(d));
switch (webkit_navigation_action_get_navigation_type(a)) {
case WEBKIT_NAVIGATION_TYPE_LINK_CLICKED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_SUBMITTED: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_BACK_FORWARD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_RELOAD: /* fallthrough */
case WEBKIT_NAVIGATION_TYPE_FORM_RESUBMITTED:
/* Filter domains here */
/* If the value of “mouse-button” is not 0, then the navigation was triggered by a mouse event.
* test for link clicked but no button ? */
arg.v = webkit_uri_request_get_uri(
webkit_navigation_action_get_request(a));
newwindow(c, &arg, 0);
break;
case WEBKIT_NAVIGATION_TYPE_OTHER: /* fallthrough */
default:
break;
}
webkit_policy_decision_ignore(d);
}
void
decideresource(WebKitPolicyDecision *d, Client *c)
{
const gchar *uri;
int i, isascii = 1;
WebKitResponsePolicyDecision *r = WEBKIT_RESPONSE_POLICY_DECISION(d);
WebKitURIResponse *res;
res = webkit_response_policy_decision_get_response(r);
uri = webkit_uri_response_get_uri(res);
if (g_str_has_suffix(uri, "/favicon.ico"))
webkit_uri_request_set_uri(
webkit_response_policy_decision_get_request(r),
"about:blank");
if (!g_str_has_prefix(uri, "http://")
&& !g_str_has_prefix(uri, "https://")
&& !g_str_has_prefix(uri, "about:")
&& !g_str_has_prefix(uri, "file://")
&& !g_str_has_prefix(uri, "data:")
&& !g_str_has_prefix(uri, "blob:")
&& strlen(uri) > 0) {
for (i = 0; i < strlen(uri); i++) {
if (!g_ascii_isprint(uri[i])) {
isascii = 0;
break;
}
}
if (isascii) {
handleplumb(c, uri);
webkit_policy_decision_ignore(d);
}
}
if (webkit_response_policy_decision_is_mime_type_supported(r)) {
webkit_policy_decision_use(d);
} else {
webkit_policy_decision_ignore(d);
download(c, res);
}
}
void
destroyclient(Client *c)
{
Client *p;
webkit_web_view_stop_loading(c->view);
/* Not needed, has already been called
gtk_widget_destroy(c->win);
*/
for (p = clients; p && p->next != c; p = p->next)
;
if (p)
p->next = c->next;
else
clients = c->next;
free(c);
}
void
closeview(WebKitWebView *v, Client *c)
{
gtk_widget_destroy(c->win);
}
void
destroywin(GtkWidget* w, Client *c)
{
destroyclient(c);
if (clients == NULL)
gtk_main_quit();
}
void
die(const char *errstr, ...)
{
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void
find(Client *c, const Arg *arg)
{
const char *s;
s = getatom(c, AtomFind);
gboolean forward = *(gboolean *)arg;
webkit_web_view_search_text(c->view, s, FALSE, forward, TRUE);
}
void
togglefullscreen(Client *c, const Arg *a)
{
/* toggling value is handled in winevent() */
if (c->fullscreen)
gtk_window_unfullscreen(GTK_WINDOW(c->win));
else
gtk_window_fullscreen(GTK_WINDOW(c->win));
}
gboolean
permissionrequested(WebKitWebView *v, WebKitPermissionRequest *r, Client *c)
{
if (WEBKIT_IS_GEOLOCATION_PERMISSION_REQUEST(r)) {
if (allowgeolocation)
webkit_permission_request_allow(r);
else
webkit_permission_request_deny(r);
return TRUE;
}
return FALSE;
}
const char *
getatom(Client *c, int a)
{
static char buf[BUFSIZ];
Atom adummy;
int idummy;
unsigned long ldummy;
unsigned char *p = NULL;
XGetWindowProperty(dpy, c->xid,
atoms[a], 0L, BUFSIZ, False, XA_STRING,
&adummy, &idummy, &ldummy, &ldummy, &p);
if (p)
strncpy(buf, (char *)p, LENGTH(buf)-1);
else
buf[0] = '\0';
XFree(p);
return buf;
}
char *
geturi(Client *c)
{
char *uri;
if (!(uri = (char *)webkit_web_view_get_uri(c->view)))
uri = "about:blank";
return uri;
}
const gchar *
getstyle(const char *uri)
{
int i;
if (stylefile != NULL)
return stylefile;
for (i = 0; i < LENGTH(styles); i++) {
if (styles[i].regex && !regexec(&(styles[i].re), uri, 0,
NULL, 0))
return styles[i].style;
}
return "";
}
void
setstyle(Client *c, const char *style)
{
WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
g_object_set(G_OBJECT(settings), "user-stylesheet-uri", style, NULL);
}
void
handleplumb(Client *c, const gchar *uri)
{
Arg arg;
arg = (Arg)PLUMB(uri);
spawn(c, &arg);
}
void
downloadstarted(WebKitWebContext *wc, WebKitDownload *d, Client *c)
{
g_signal_connect(G_OBJECT(d), "notify::response",
G_CALLBACK(responsereceived), c);
}
void
responsereceived(WebKitDownload *d, GParamSpec *ps, Client *c)
{
download(c, webkit_download_get_response(d));
webkit_download_cancel(d);
}
void
download(Client *c, WebKitURIResponse *r)
{
Arg a;
a = (Arg)DOWNLOAD(webkit_uri_response_get_uri(r), geturi(c));
spawn(c, &a);
}
void
inspector(Client *c, const Arg *arg)
{
if (enableinspector) {
if (c->isinspecting)
webkit_web_inspector_close(c->inspector);
else
webkit_web_inspector_show(c->inspector);
}
}
WebKitWebView *
inspector_new(WebKitWebInspector *i, WebKitWebView *v, Client *c)
{
return WEBKIT_WEB_VIEW(webkit_web_view_new());
}
gboolean
inspector_show(WebKitWebInspector *i, Client *c)
{
WebKitWebView *w;
if (c->isinspecting)
return false;
w = webkit_web_inspector_get_web_view(i);
gtk_paned_pack2(GTK_PANED(c->pane), GTK_WIDGET(w), TRUE, TRUE);
gtk_widget_show(GTK_WIDGET(w));
c->isinspecting = true;
return true;
}
gboolean
inspector_close(WebKitWebInspector *i, Client *c)
{
GtkWidget *w;
if (!c->isinspecting)
return false;
w = GTK_WIDGET(webkit_web_inspector_get_web_view(i));
gtk_widget_hide(w);
gtk_widget_destroy(w);
c->isinspecting = false;
return true;
}
void
inspector_finished(WebKitWebInspector *i, Client *c)
{
g_free(c->inspector);
}
gboolean
keypress(GtkAccelGroup *group, GObject *obj, guint key, GdkModifierType mods,
Client *c)
{
guint i;
gboolean processed = FALSE;
mods = CLEANMASK(mods);
key = gdk_keyval_to_lower(key);
updatewinid(c);
for (i = 0; i < LENGTH(keys); i++) {
if (key == keys[i].keyval
&& mods == keys[i].mod
&& keys[i].func) {
keys[i].func(c, &(keys[i].arg));
processed = TRUE;
}
}
return processed;
}
void
mousetargetchanged(WebKitWebView *v, WebKitHitTestResult *h, guint modifiers,
Client *c)
{
WebKitHitTestResultContext hc;
/* Keep the hit test to know where is the pointer on the next click */
c->mousepos = h;
hc = webkit_hit_test_result_get_context(h);
if (hc & OnLink)
c->targeturi = webkit_hit_test_result_get_link_uri(h);
else if (hc & OnImg)
c->targeturi = webkit_hit_test_result_get_image_uri(h);
else if (hc & OnMedia)
c->targeturi = webkit_hit_test_result_get_media_uri(h);
else
c->targeturi = NULL;
updatetitle(c);
}
void
loadchanged(WebKitWebView *v, WebKitLoadEvent e, Client *c)
{
switch (e) {
case WEBKIT_LOAD_STARTED:
c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
break;
case WEBKIT_LOAD_REDIRECTED:
setatom(c, AtomUri, geturi(c));
break;
case WEBKIT_LOAD_COMMITTED:
if (!webkit_web_view_get_tls_info(c->view, NULL, &(c->tlsflags)))
c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
setatom(c, AtomUri, geturi(c));
if (enablestyle)
setstyle(c, getstyle(geturi(c)));
break;
case WEBKIT_LOAD_FINISHED:
/* Disabled until we write some WebKitWebExtension for
* manipulating the DOM directly.
evalscript(c, "document.documentElement.style.overflow = '%s'",
enablescrollbars ? "auto" : "hidden");
*/
runscript(c);
break;
}
updatetitle(c);
}
void
loaduri(Client *c, const Arg *arg)
{
char *u = NULL, *rp;
const char *uri = (char *)arg->v;
Arg a = { .b = FALSE };
struct stat st;
if (strcmp(uri, "") == 0)
return;
/* In case it's a file path. */
if (stat(uri, &st) == 0) {
rp = realpath(uri, NULL);
u = g_strdup_printf("file://%s", rp);
free(rp);
} else {
u = g_strrstr(uri, "://") ? g_strdup(uri)
: g_strdup_printf("http://%s", uri);
}
setatom(c, AtomUri, uri);
/* prevents endless loop */
if (strcmp(u, geturi(c)) == 0) {
reload(c, &a);
} else {
webkit_web_view_load_uri(c->view, u);
c->progress = 0;
c->title = copystr(&c->title, u);
updatetitle(c);
}
g_free(u);
}
void
navigate(Client *c, const Arg *arg)
{
int steps = *(int *)arg;
webkit_web_view_go_back_or_forward(c->view, steps);
}
Client *
newclient(Client *rc)
{
Client *c;
gdouble dpi;
if (!(c = calloc(1, sizeof(Client))))
die("Cannot malloc!\n");
c->title = NULL;
c->progress = 100;
c->next = clients;
clients = c;
c->view = newview(c, rc ? rc->view : NULL);
c->tlsflags = G_TLS_CERTIFICATE_VALIDATE_ALL + 1;
return c;
}
WebKitWebView *
newview(Client *c, WebKitWebView *rv)
{
WebKitWebView *v;
WebKitSettings *settings;
WebKitUserContentManager *contentmanager;
WebKitWebContext *context;
char *ua;
/* Webview */
if (rv) {
v = WEBKIT_WEB_VIEW(
webkit_web_view_new_with_related_view(rv));
} else {
settings = webkit_settings_new_with_settings(
"auto-load-images", loadimages,
"default-font-size", defaultfontsize,
"enable-caret-browsing", enablecaretbrowsing,
"enable-developer-extras", enableinspector,
"enable-dns-prefetching", enablednsprefetching,
"enable-frame-flattening", enableframeflattening,
"enable-html5-database", enablecache,
"enable-html5-local-storage", enablecache,
"enable-javascript", enablescripts,
"enable-plugins", enableplugins,
NULL);
if (!(ua = getenv("SURF_USERAGENT")))
ua = useragent;
webkit_settings_set_user_agent(settings, ua);
/* Have a look at http://webkitgtk.org/reference/webkit2gtk/stable/WebKitSettings.html
* for more interesting settings */
contentmanager = webkit_user_content_manager_new();
context = webkit_web_context_new_with_website_data_manager(
webkit_website_data_manager_new(
"base-cache-directory", cachedir,
"base-data-directory", cachedir,
NULL));
/* rendering process model, can be a shared unique one or one for each
* view */
webkit_web_context_set_process_model(context,
WEBKIT_PROCESS_MODEL_MULTIPLE_SECONDARY_PROCESSES);
/* ssl */
webkit_web_context_set_tls_errors_policy(context, strictssl ?
WEBKIT_TLS_ERRORS_POLICY_FAIL : WEBKIT_TLS_ERRORS_POLICY_IGNORE);
/* disk cache */
webkit_web_context_set_cache_model(context, enablecache ?
WEBKIT_CACHE_MODEL_WEB_BROWSER : WEBKIT_CACHE_MODEL_DOCUMENT_VIEWER);
/* Currently only works with text file to be compatible with curl */
webkit_cookie_manager_set_persistent_storage(
webkit_web_context_get_cookie_manager(context), cookiefile,
WEBKIT_COOKIE_PERSISTENT_STORAGE_TEXT);
/* cookie policy */
webkit_cookie_manager_set_accept_policy(
webkit_web_context_get_cookie_manager(context),
cookiepolicy_get());
g_signal_connect(G_OBJECT(context), "download-started",
G_CALLBACK(downloadstarted), c);
v = g_object_new(WEBKIT_TYPE_WEB_VIEW,
"settings", settings,
"user-content-manager", contentmanager,
"web-context", context,
NULL);
}
g_signal_connect(G_OBJECT(v),
"notify::title",
G_CALLBACK(titlechanged), c);
g_signal_connect(G_OBJECT(v),
"mouse-target-changed",
G_CALLBACK(mousetargetchanged), c);
g_signal_connect(G_OBJECT(v),
"permission-request",
G_CALLBACK(permissionrequested), c);
g_signal_connect(G_OBJECT(v),
"create",
G_CALLBACK(createview), c);
g_signal_connect(G_OBJECT(v), "ready-to-show",
G_CALLBACK(showview), c);
g_signal_connect(G_OBJECT(v),
"decide-policy",
G_CALLBACK(decidepolicy), c);
g_signal_connect(G_OBJECT(v),
"load-changed",
G_CALLBACK(loadchanged), c);
g_signal_connect(G_OBJECT(v),
"notify::estimated-load-progress",
G_CALLBACK(progresschanged), c);
g_signal_connect(G_OBJECT(v),
"button-release-event",
G_CALLBACK(buttonreleased), c);
g_signal_connect(G_OBJECT(v), "close",
G_CALLBACK(closeview), c);
return v;
}
void
showview(WebKitWebView *v, Client *c)
{
GdkGeometry hints = { 1, 1 };
GdkRGBA bgcolor = { 0 };
GdkWindow *gwin;
c->win = createwindow(c);
if (!kioskmode)
addaccelgroup(c);
/* Arranging */
gtk_container_add(GTK_CONTAINER(c->win), GTK_WIDGET(c->view));
/* Setup */
gtk_widget_grab_focus(GTK_WIDGET(c->view));
gtk_widget_show(GTK_WIDGET(c->view));
gtk_widget_show(c->win);
gwin = gtk_widget_get_window(GTK_WIDGET(c->win));
c->xid = gdk_x11_window_get_xid(gwin);
gtk_window_set_geometry_hints(GTK_WINDOW(c->win), NULL, &hints,
GDK_HINT_MIN_SIZE);
gdk_window_set_events(gwin, GDK_ALL_EVENTS_MASK);
gdk_window_add_filter(gwin, processx, c);
/* This might conflict with _zoomto96dpi_. */
if (zoomlevel != 1.0)
webkit_web_view_set_zoom_level(c->view, zoomlevel);
if (runinfullscreen)
togglefullscreen(c, NULL);
setatom(c, AtomFind, "");
setatom(c, AtomUri, "about:blank");
if (hidebackground)
webkit_web_view_set_background_color(c->view, &bgcolor);
if (showxid) {
gdk_display_sync(gtk_widget_get_display(c->win));
printf("%lu\n", c->xid);
fflush(NULL);
if (fclose(stdout) != 0) {
die("Error closing stdout");
}
}
}
void
newwindow(Client *c, const Arg *arg, gboolean noembed)
{
guint i = 0;
const char *cmd[18], *uri;
const Arg a = { .v = (void *)cmd };
char tmp[64];
cmd[i++] = argv0;
cmd[i++] = "-a";
cmd[i++] = cookiepolicies;
if (!enablescrollbars)
cmd[i++] = "-b";
if (embed && !noembed) {
cmd[i++] = "-e";
snprintf(tmp, LENGTH(tmp), "%u", (int)embed);
cmd[i++] = tmp;
}
if (!allowgeolocation)
cmd[i++] = "-g";
if (!loadimages)
cmd[i++] = "-i";
if (kioskmode)
cmd[i++] = "-k";
if (!enableplugins)
cmd[i++] = "-p";
if (!enablescripts)
cmd[i++] = "-s";
if (showxid)
cmd[i++] = "-x";
if (enablediskcache)
cmd[i++] = "-D";
cmd[i++] = "-c";
cmd[i++] = cookiefile;
cmd[i++] = "--";
uri = arg->v ? (char *)arg->v : c->linkhover;
if (uri)
cmd[i++] = uri;
cmd[i++] = NULL;
spawn(NULL, &a);
}
GtkWidget *
createwindow(Client *c)
{
GtkWidget *w;
if (embed) {
w = gtk_plug_new(embed);
} else {
w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/* TA: 20091214: Despite what the GNOME docs say, the ICCCM
* is always correct, so we should still call this function.
* But when doing so, we *must* differentiate between a
* WM_CLASS and a resource on the window. By convention, the
* window class (WM_CLASS) is capped, while the resource is in
* lowercase. Both these values come as a pair.
*/
gtk_window_set_wmclass(GTK_WINDOW(w), "surf", "Surf");
/* TA: 20091214: And set the role here as well -- so that
* sessions can pick this up.
*/
gtk_window_set_role(GTK_WINDOW(w), "Surf");
gtk_window_set_default_size(GTK_WINDOW(w), 800, 600);
}
g_signal_connect(G_OBJECT(w), "destroy",
G_CALLBACK(destroywin), c);
g_signal_connect(G_OBJECT(w), "leave-notify-event",
G_CALLBACK(winevent), c);
g_signal_connect(G_OBJECT(w), "window-state-event",
G_CALLBACK(winevent), c);
return w;
}
void
pasteuri(GtkClipboard *clipboard, const char *text, gpointer d)
{
Arg arg = {.v = text };
if (text != NULL)
loaduri((Client *) d, &arg);
}
void
print(Client *c, const Arg *arg)
{
webkit_web_frame_print(webkit_web_view_get_main_frame(c->view));
}
GdkFilterReturn
processx(GdkXEvent *e, GdkEvent *event, gpointer d)
{
Client *c = (Client *)d;
XPropertyEvent *ev;
Arg arg;
if (((XEvent *)e)->type == PropertyNotify) {
ev = &((XEvent *)e)->xproperty;
if (ev->state == PropertyNewValue) {
if (ev->atom == atoms[AtomFind]) {
arg.b = TRUE;
find(c, &arg);
return GDK_FILTER_REMOVE;
} else if (ev->atom == atoms[AtomGo]) {
arg.v = getatom(c, AtomGo);
loaduri(c, &arg);
return GDK_FILTER_REMOVE;
}
}
}
return GDK_FILTER_CONTINUE;
}
void
progresschanged(WebKitWebView *v, GParamSpec *ps, Client *c)
{
c->progress = webkit_web_view_get_estimated_load_progress(c->view) *
100;
updatetitle(c);
}
void
linkopen(Client *c, const Arg *arg)
{
newwindow(NULL, arg, 1);
}
void
linkopenembed(Client *c, const Arg *arg)
{
newwindow(NULL, arg, 0);
}
void
reload(Client *c, const Arg *arg)
{
gboolean nocache = *(gboolean *)arg;
if (nocache)
webkit_web_view_reload_bypass_cache(c->view);
else
webkit_web_view_reload(c->view);
}
void
scroll_h(Client *c, const Arg *arg)
{
scroll(gtk_scrolled_window_get_hadjustment(
GTK_SCROLLED_WINDOW(c->scroll)), arg);
}
void
scroll_v(Client *c, const Arg *arg)
{
scroll(gtk_scrolled_window_get_vadjustment(
GTK_SCROLLED_WINDOW(c->scroll)), arg);
}
void
scroll(GtkAdjustment *a, const Arg *arg)
{
gdouble v;
v = gtk_adjustment_get_value(a);
switch (arg->i) {
case +10000:
case -10000:
v += gtk_adjustment_get_page_increment(a) * (arg->i / 10000);
break;
case +20000:
case -20000:
default:
v += gtk_adjustment_get_step_increment(a) * arg->i;
}
v = MAX(v, 0.0);
v = MIN(v, gtk_adjustment_get_upper(a) -
gtk_adjustment_get_page_size(a));
gtk_adjustment_set_value(a, v);
}
void
setatom(Client *c, int a, const char *v)
{
XSync(dpy, False);
XChangeProperty(dpy, c->xid,
atoms[a], XA_STRING, 8, PropModeReplace,
(unsigned char *)v, strlen(v) + 1);
}
void
setup(void)
{
int i;
char *styledirfile, *stylepath;
WebKitWebContext *context;
GError *error = NULL;
/* clean up any zombies immediately */
sigchld(0);
gtk_init(NULL, NULL);
dpy = GDK_DISPLAY_XDISPLAY(gdk_display_get_default());
/* atoms */
atoms[AtomFind] = XInternAtom(dpy, "_SURF_FIND", False);
atoms[AtomGo] = XInternAtom(dpy, "_SURF_GO", False);
atoms[AtomUri] = XInternAtom(dpy, "_SURF_URI", False);
/* dirs and files */
cookiefile = buildfile(cookiefile);
scriptfile = buildfile(scriptfile);
cachedir = buildpath(cachedir);
if (stylefile == NULL) {
styledir = buildpath(styledir);
for (i = 0; i < LENGTH(styles); i++) {
if (regcomp(&(styles[i].re), styles[i].regex,
REG_EXTENDED)) {
fprintf(stderr,
"Could not compile regex: %s\n",
styles[i].regex);
styles[i].regex = NULL;
}
styledirfile = g_strconcat(styledir, "/",
styles[i].style, NULL);
stylepath = buildfile(styledirfile);
styles[i].style = g_strconcat("file://", stylepath,
NULL);
g_free(styledirfile);
g_free(stylepath);
}
g_free(styledir);
} else {
stylepath = buildfile(stylefile);
stylefile = g_strconcat("file://", stylepath, NULL);
g_free(stylepath);
}
}
void
sigchld(int unused)
{
if (signal(SIGCHLD, sigchld) == SIG_ERR)
die("Can't install SIGCHLD handler");
while (0 < waitpid(-1, NULL, WNOHANG));
}
void
spawn(Client *c, const Arg *arg)
{
if (fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
setsid();
execvp(((char **)arg->v)[0], (char **)arg->v);
fprintf(stderr, "surf: execvp %s", ((char **)arg->v)[0]);
perror(" failed");
exit(0);
}
}
void
stop(Client *c, const Arg *arg)
{
webkit_web_view_stop_loading(c->view);
}
void
titlechanged(WebKitWebView *view, GParamSpec *ps, Client *c)
{
c->title = webkit_web_view_get_title(c->view);
updatetitle(c);
}
gboolean
winevent(GtkWidget *w, GdkEvent *e, Client *c)
{
switch (e->type) {
case GDK_LEAVE_NOTIFY:
c->targeturi = NULL;
updatetitle(c);
break;
case GDK_WINDOW_STATE: /* fallthrough */
if (e->window_state.changed_mask ==
GDK_WINDOW_STATE_FULLSCREEN) {
c->fullscreen = e->window_state.new_window_state &
GDK_WINDOW_STATE_FULLSCREEN;
break;
}
default:
return FALSE;
}
return TRUE;
}
void
toggle(Client *c, const Arg *arg)
{
WebKitWebSettings *settings;
char *name = (char *)arg->v;
gboolean value;
Arg a = { .b = FALSE };
settings = webkit_web_view_get_settings(c->view);
g_object_get(G_OBJECT(settings), name, &value, NULL);
g_object_set(G_OBJECT(settings), name, !value, NULL);
reload(c, &a);
}
void
togglecookiepolicy(Client *c, const Arg *arg)
{
++cookiepolicy;
cookiepolicy %= strlen(cookiepolicies);
webkit_cookie_manager_set_accept_policy(
webkit_web_context_get_cookie_manager(
webkit_web_view_get_context(c->view)),
cookiepolicy_get());
updatetitle(c);
/* Do not reload. */
}
void
togglegeolocation(Client *c, const Arg *arg)
{
Arg a = { .b = FALSE };
allowgeolocation ^= 1;
reload(c, &a);
}
void
twitch(Client *c, const Arg *arg)
{
GtkAdjustment *a;
gdouble v;
a = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(
c->scroll));
v = gtk_adjustment_get_value(a);
v += arg->i;
v = MAX(v, 0.0);
v = MIN(v, gtk_adjustment_get_upper(a) -
gtk_adjustment_get_page_size(a));
gtk_adjustment_set_value(a, v);
}
void
togglescrollbars(Client *c, const Arg *arg)
{
GtkPolicyType vspolicy;
Arg a;
gtk_scrolled_window_get_policy(GTK_SCROLLED_WINDOW(c->scroll), NULL,
&vspolicy);
if (vspolicy == GTK_POLICY_AUTOMATIC) {
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
GTK_POLICY_NEVER,
GTK_POLICY_NEVER);
} else {
gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(c->scroll),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
a.i = +1;
twitch(c, &a);
a.i = -1;
twitch(c, &a);
}
}
void
togglestyle(Client *c, const Arg *arg)
{
enablestyle = !enablestyle;
setstyle(c, enablestyle ? getstyle(geturi(c)) : "");
updatetitle(c);
}
void
gettogglestat(Client *c)
{
gboolean value;
int p = 0;
WebKitWebSettings *settings = webkit_web_view_get_settings(c->view);
togglestat[p++] = cookiepolicy_set(cookiepolicy_get());
g_object_get(G_OBJECT(settings), "enable-caret-browsing", &value,
NULL);
togglestat[p++] = value? 'C': 'c';
togglestat[p++] = allowgeolocation? 'G': 'g';
togglestat[p++] = enablediskcache? 'D': 'd';
g_object_get(G_OBJECT(settings), "auto-load-images", &value, NULL);
togglestat[p++] = value? 'I': 'i';
g_object_get(G_OBJECT(settings), "enable-scripts", &value, NULL);
togglestat[p++] = value? 'S': 's';
g_object_get(G_OBJECT(settings), "enable-plugins", &value, NULL);
togglestat[p++] = value? 'V': 'v';
togglestat[p++] = enablestyle ? 'M': 'm';
togglestat[p] = '\0';
}
void
getpagestat(Client *c)
{
const char *uri = geturi(c);
pagestats[0] = c->tlsflags > G_TLS_CERTIFICATE_VALIDATE_ALL ? '-' :
c->tlsflags > 0 ? 'U' : 'T';
pagestat[1] = '\0';
}
void
updatetitle(Client *c)
{
char *t;
if (showindicators) {
gettogglestat(c);
getpagestat(c);
if (c->linkhover) {
t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
c->linkhover);
} else if (c->progress != 100) {
t = g_strdup_printf("[%i%%] %s:%s | %s", c->progress,
togglestat, pagestat,
c->title == NULL ? "" : c->title);
} else {
t = g_strdup_printf("%s:%s | %s", togglestat, pagestat,
c->title == NULL ? "" : c->title);
}
gtk_window_set_title(GTK_WINDOW(c->win), t);
g_free(t);
} else {
gtk_window_set_title(GTK_WINDOW(c->win), (c->title == NULL) ?
"" : c->title);
}
}
void
updatewinid(Client *c)
{
snprintf(winid, LENGTH(winid), "%lu", c->xid);
}
void
usage(void)
{
die("usage: %s [-bBdDfFgGiIkKmMnNpPsSvx] [-a cookiepolicies ] "
"[-c cookiefile] [-e xid] [-r scriptfile] [-t stylefile] "
"[-u useragent] [-z zoomlevel] [uri]\n", basename(argv0));
}
void
zoom(Client *c, const Arg *arg)
{
c->zoomed = TRUE;
if (arg->i < 0) {
/* zoom out */
webkit_web_view_zoom_out(c->view);
} else if (arg->i > 0) {
/* zoom in */
webkit_web_view_zoom_in(c->view);
} else {
/* reset */
c->zoomed = FALSE;
webkit_web_view_set_zoom_level(c->view, 1.0);
}
}
int
main(int argc, char *argv[])
{
Arg arg;
Client *c;
memset(&arg, 0, sizeof(arg));
/* command line args */
ARGBEGIN {
case 'a':
cookiepolicies = EARGF(usage());
break;
case 'b':
enablescrollbars = 0;
break;
case 'B':
enablescrollbars = 1;
break;
case 'c':
cookiefile = EARGF(usage());
break;
case 'd':
enablediskcache = 0;
break;
case 'D':
enablediskcache = 1;
break;
case 'e':
embed = strtol(EARGF(usage()), NULL, 0);
break;
case 'f':
runinfullscreen = 0;
break;
case 'F':
runinfullscreen = 1;
break;
case 'g':
allowgeolocation = 0;
break;
case 'G':
allowgeolocation = 1;
break;
case 'i':
loadimages = 0;
break;
case 'I':
loadimages = 1;
break;
case 'k':
kioskmode = 0;
break;
case 'K':
kioskmode = 1;
break;
case 'm':
enablestyle = 0;
break;
case 'M':
enablestyle = 1;
break;
case 'n':
enableinspector = 0;
break;
case 'N':
enableinspector = 1;
break;
case 'p':
enableplugins = 0;
break;
case 'P':
enableplugins = 1;
break;
case 'r':
scriptfile = EARGF(usage());
break;
case 's':
enablescripts = 0;
break;
case 'S':
enablescripts = 1;
break;
case 't':
stylefile = EARGF(usage());
break;
case 'u':
useragent = EARGF(usage());
break;
case 'v':
die("surf-"VERSION", ©2009-2015 surf engineers, "
"see LICENSE for details\n");
case 'x':
showxid = TRUE;
break;
case 'z':
zoomlevel = strtof(EARGF(usage()), NULL);
break;
default:
usage();
} ARGEND;
if (argc > 0)
arg.v = argv[0];
setup();
c = newclient(NULL);
showview(NULL, c);
if (arg.v)
loaduri(clients, &arg);
else
updatetitle(c);
gtk_main();
cleanup();
return EXIT_SUCCESS;
}