v/vlib/http/http_win.v

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// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
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module http
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import time
#flag -lwininet -lShlwapi
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#flag -lurlmon
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#include <WinInet.h>
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#include "urlmon.h"
#include <shlwapi.h>
// #LPWSTR winstring(string s);
// # bool ok = InternetReadFile(request, buf, BUF_MAX, &nr_read);
import const (
INTERNET_OPEN_TYPE_PRECONFIG
INTERNET_DEFAULT_HTTP_PORT
INTERNET_DEFAULT_HTTPS_PORT
INTERNET_SERVICE_HTTP
)
fn (req &Request) do() Response {
mut s := ''
emptyresp := Response{}
mut url := req.url
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//println('\n\nhttp.do() WIN URL="$url" TYP=$req.typ data="$req.data" headers.len=req.headers.len"')
//println(req.headers)
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is_ssl := req.url.starts_with('https://')
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//println('is ssl=$is_ssl')
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mut pos := url.index('/')
url = url.right(pos + 2)
mut host := url
mut path := '/'
pos = url.index('/')
if pos > -1 {
host = url.left(pos)
host = host.clone()
path = url.right(pos)
}
// println('HOST="$host"')
// println('PATH="$path"')
mut headers := ''
mut resp_headers := ''
// for header in req.headers {
for entry in req.headers.entries {
// headers += '$header\r\n'
key := entry.key
val := req.headers[key]
headers += '$key: $val\r\n'
}
if req.typ == 'POST' {
headers += 'Content-Type: application/x-www-form-urlencoded'
}
// headers = headers.trim_space()
// println('!!! OLO REQ HEADERS WIN="$headers"')
data := req.data
// Retrieve default http user agent
// char httpUseragent[512];
// # char httpUseragent []= "";
user_agent := ''
// DWORD szhttpUserAgent = sizeof(httpUseragent);
// ObtainUserAgentString(0, httpUseragent, &szhttpUserAgent);
// # HINTERNET internet = InternetOpenA(httpUseragent, INTERNET_OPEN_TYPE_PRECONFIG, NULL, NULL, 0);
internet := C.InternetOpenA(user_agent.str, INTERNET_OPEN_TYPE_PRECONFIG, 0, 0, 0)
// # if (!internet)
if isnil(internet) {
println('InternetOpen() failed')
return emptyresp
}
// # INTERNET_PORT port = INTERNET_DEFAULT_HTTP_PORT;
port := int(if is_ssl{INTERNET_DEFAULT_HTTPS_PORT} else { INTERNET_DEFAULT_HTTP_PORT})
// if is_ssl {
// # port = INTERNET_DEFAULT_HTTPS_PORT;
// }
connect := C.InternetConnectA(internet, host.str, port, 0, 0, INTERNET_SERVICE_HTTP, 0, 0)
// # HINTERNET connect = InternetConnectA(internet, host.str, port, NULL, NULL,
// # INTERNET_SERVICE_HTTP, 0, 0);
# if (!connect)
if isnil(connect) {
e := C.GetLastError()
println('[windows] InternetConnect() failed')
C.printf('err=%d\n', e)
return emptyresp
}
flags := 0
// # DWORD flags =
#flags =
# INTERNET_FLAG_HYPERLINK | INTERNET_FLAG_IGNORE_CERT_CN_INVALID |
# INTERNET_FLAG_IGNORE_CERT_DATE_INVALID |
# INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTP |
# INTERNET_FLAG_IGNORE_REDIRECT_TO_HTTPS | INTERNET_FLAG_NO_AUTH |
# INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_NO_UI |
# INTERNET_FLAG_NO_COOKIES | // FUCK YOU MICROSOFT
# INTERNET_FLAG_KEEP_CONNECTION |
# INTERNET_FLAG_PRAGMA_NOCACHE | INTERNET_FLAG_RELOAD ;
if is_ssl {
#flags = flags | INTERNET_FLAG_SECURE;
}
request := C.HttpOpenRequest(connect, req.typ.str, path.str, 'HTTP/1.1', 0, 0, flags, 0)
// request := C.InternetOpenUrl(connect, req.typ.str, path.str, 'HTTP/1.1', 0, 0, flags, 0)
// # HINTERNET request = HttpOpenRequest(connect, req->typ.str, path.str, "HTTP/1.1",
// # NULL, NULL, flags, NULL);
// # if (!request)
if isnil(request) {
println('HttpOpenRequest() failed')
return emptyresp
}
// println('LEN BEFORE SEND=$headers.len ; $headers')
# bool ret =HttpSendRequest(request, headers.str, -1, data.str, data.len);
# printf("RET=%d\n", ret);
# int e = GetLastError();
# printf("e=%d\n", e);
// Get response headers
// Todo call twice to get len
# LPSTR h_buf = malloc(1024);
# DWORD dwSize = 1024;
// LPVOID lpOutBuffer=malloc(dwSize);
# HttpQueryInfo(request, HTTP_QUERY_RAW_HEADERS_CRLF,
# h_buf,&dwSize,NULL);
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//# printf(" resp HEADERS %s\n", h_buf);
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// Get response body
// # const int BUF_MAX = 1024;
// # TCHAR buf[BUF_MAX + 1];
mut buf := [1025]byte
mut nr_read := 0
BUF_MAX := 1024
// ok := C.InternetReadFile(request, buf, BUF_MAX, &nr_read)
// # DWORD dwRead = 0;
// /println('calling InternetReadFile()')
// # bool ok = InternetReadFile(request, buf, BUF_MAX, &nr_read);
// # if (!ok)
// {
// println('read not ok')
// # int e = GetLastError();
// # printf("%d\n", e);
// }
// # printf("dwread=%d\n", dwRead);
// # while ((InternetReadFile(request, buf, BUF_MAX, &nr_read)) && nr_read > 0)
for
{
ok := C.InternetReadFile(request, buf, BUF_MAX, &nr_read)
if !ok {
println('InternetReadFile() not ok ')
}
if ok && nr_read == 0 {
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//println('ok && nr read == 0, breaking')
//C.printf('buf broken="%s"\n', buf)
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if req.url.contains('websocket') {
println('win sleeping 2')
time.sleep(2)
continue
}
break
}
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//println('ireadfile()')
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buf[nr_read] = 0
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//C.printf('buf="%s"\n', buf)
s += tos(buf, nr_read + 1) // TODO perf
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nr_read = 0
}
C.InternetCloseHandle(request)
C.InternetCloseHandle(connect)
C.InternetCloseHandle(internet)
# resp_headers = tos2(h_buf);
hh := resp_headers.split('\n')
mut resp := Response {
body: s
headers: map[string]string{}
// headers: resp_headers
}
// println('gen hh')
for h in hh {
// println('\n!')
// println(h)
vals := h.split(':')
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hpos := h.index(':')
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if pos == -1 {
continue
}
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key := h.left(hpos)
val := h.right(hpos + 1)
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// println('$key => $val')
resp.headers[key] = val.trim_space()
}
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//println('END OF WIN req.do($req.url)')
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return resp
}
fn escape(s string) string {
# DWORD size=1;
# char *escaped = NULL;
# char *empty_string = NULL;
# HRESULT res = UrlEscapeA(s.str, empty_string, &size, URL_ESCAPE_PERCENT | URL_ESCAPE_SEGMENT_ONLY);
# if (res == E_POINTER)
{
# escaped = HeapAlloc(GetProcessHeap(), 0, size);
# if (!escaped)
# return s;
# UrlEscapeA(s.str, escaped, &size, URL_ESCAPE_PERCENT | URL_ESCAPE_SEGMENT_ONLY);
# return tos2(escaped);
}
return ''
}
fn C.InternetReadFile(voidptr, voidptr, int, intptr) bool