1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// MIT License, Copyright (c) 2020 Marvin Borner
#include <conv.h>
#include <def.h>
#include <gfx.h>
#include <gui.h>
#include <html.h>
#include <http.h>
#include <input.h>
#include <mem.h>
#include <net.h>
#include <print.h>
#include <str.h>
#include <xml.h>
#define WIDTH 640
#define HEIGHT 400
#define FONT_HEIGHT 24
#define LABEL_WIDTH 36 // Thx Lars
static struct element *code_label;
static struct element *output;
u32 status_color(char *http_code)
{
u32 c = 0;
switch (http_code[0]) {
case '1': // Information response
c = COLOR_BLUE;
break;
case '2': // Successful response
c = COLOR_GREEN;
break;
case '3': // Redirects
c = COLOR_YELLOW;
break;
case '4': // Client error
c = COLOR_RED;
break;
case '5': // Server error
c = COLOR_MAGENTA;
break;
default:
c = COLOR_WHITE;
break;
}
return c;
}
void print_indent(char *buf, u32 n)
{
for (u32 i = 0; i < n; i++)
strcat(buf, "\t");
}
void print_error(const char *error)
{
gui_add_label(output, 0, 0, FONT_24, error, COLOR_BLACK, COLOR_RED);
}
void on_submit(void *event, struct element *box)
{
(void)event;
char *url = ((struct element_text_input *)box->data)->text;
gui_remove_childs(output);
u16 port = 80;
char *port_str = strchr(url, ':');
if (port_str) {
port_str[0] = '\0';
port_str++;
port = atoi(port_str);
}
char *path = strchr(url, '/');
if (path) {
path[0] = '\0';
path++;
}
char *query = http_query_get(url, path ? path : "/");
u32 ip = 0;
if (!ip_pton(url, &ip)) {
ip = dns_request(url);
}
struct element_label *c = code_label->data;
struct socket *socket = NULL;
if (ip && (socket = net_open(S_TCP)) && net_connect(socket, ip, port, NET_TIMEOUT)) {
net_send(socket, query, strlen(query));
char *buf = NULL;
if (!(buf = http_receive(socket)) || !html_render(output, http_data(buf), 4096)) {
print_error("HTML parsing failed.\n");
} else {
c->text = http_code(buf);
c->color_fg = status_color(c->text);
}
} else {
print_error("Can't connect to server.\n");
c->text = strdup("000");
c->color_fg = COLOR_RED;
}
gui_sync(output);
gui_sync(code_label);
net_close(socket);
}
int main()
{
// TODO: Dynamic element positioning
struct element *root = gui_init("browser", WIDTH, HEIGHT, COLOR_BG);
code_label = gui_add_label(root, 0, 0, FONT_24, "000", COLOR_BLACK, COLOR_WHITE);
struct element *text_input =
gui_add_text_input(root, LABEL_WIDTH, 0, 100, FONT_24, COLOR_WHITE, COLOR_BLACK);
output = gui_add_container(root, 0, FONT_HEIGHT + 2, 100, 100, COLOR_WHITE);
gui_add_label(output, 0, 0, FONT_24, "Enter URL and press Enter :)", COLOR_WHITE,
COLOR_BLACK);
text_input->event.on_submit = on_submit;
gui_event_loop(root);
return 0;
}
|
