122 lines
2.2 KiB
Go
122 lines
2.2 KiB
Go
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module vweb
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import (
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os
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strings
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net
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http
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)
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struct Context {
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pub:
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req http.Request
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conn net.Socket
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post_form map[string]string
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// TODO Response
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headers []string
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}
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pub fn (ctx Context) write(s string) {
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//ctx.conn.write(s)
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}
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pub fn (ctx Context) redirect(url string) {
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h := ctx.headers.join('\n')
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ctx.conn.write('
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HTTP/1.1 302 Found
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Location: $url
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$h
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')
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}
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pub fn (ctx mut Context) set_cookie(key, val string) {
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ctx.set_header('Set-Cookie', '$key=$val')
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}
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pub fn (ctx Context) get_cookie(key string) string {
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cookie := ctx.req.headers['Cookie']
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return cookie.find_between('$key=', ';')
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}
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fn (ctx mut Context) set_header(key, val string) {
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// ctx.resp.headers[key] = val
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ctx.headers << '$key: $val'
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}
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pub fn (ctx Context) html(html string) {
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//tmpl := os.read_file(path) or {return}
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ctx.conn.write('HTTP/1.1 200 OK
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Content-Type: text/html
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$html
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')
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}
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pub fn run<T>(port int) {
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l := net.listen(port) or { panic('failed to listen') return }
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for {
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conn := l.accept() or {
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panic('accept() failed')
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return
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}
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// TODO move this to handle_conn<T>(conn, app)
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s := conn.read_line()
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// Parse the first line
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// "GET / HTTP/1.1"
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first_line := s.all_before('\n')
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vals := first_line.split(' ')
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mut action := vals[1].right(1).all_before('/')
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if action == '' {
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action = 'index'
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}
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req := http.Request{
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headers: map[string]string{}
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ws_func: 0
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user_ptr: 0
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method: vals[0]
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url: vals[1]
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}
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mut app := T{
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vweb: Context{
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req: req
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conn: conn
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post_form: map[string]string{}
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}
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}
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app.init()
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if req.method == 'POST' {
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app.vweb.parse_form(s)
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}
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println('vweb action = "$action"')
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if vals.len < 2 {
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println('no vals for http')
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return
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}
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app.$action()
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conn.close()
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}
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}
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fn (ctx mut Context) parse_form(s string) {
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if ctx.req.method != 'POST' {
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return
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}
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pos := s.index('\r\n\r\n')
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if pos > -1 {
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mut str_form := s.substr(pos, s.len)
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str_form = str_form.replace('+', ' ')
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words := str_form.split('&')
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for word in words {
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keyval := word.split('=')
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key := keyval[0]
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val := keyval[1]
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//println('http form $key => $val')
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ctx.post_form[key] = http.unescape(val)
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}
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}
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}
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