kc3-lang/kc3/http/http_request.c

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• Hash : 704eb1f3
  Author : Thomas de Grivel
  Date : 2024-07-26T18:03:24
  

  wip http, buf_rw

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• http/http_request.c

• /* kc3
   * Copyright 2022,2023,2024 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #include <libkc3/kc3.h>
  #include "http.h"
  #include "socket.h"
  
  s_http_request * http_request_buf_parse (s_http_request *req, s_buf *buf)
  {
    s_str line;
    sw r;
    s_buf_save save;
    s_list **tail;
    s_http_request tmp = {0};
    assert(req);
    assert(buf);
    buf_save_init(buf, &save);
    if ((r = buf_read_1(buf, "GET ")) < 0)
      goto restore;
    if (r > 0)
      tmp.method = sym_1("get");
    if (! tmp.method) {
      err_puts("http_request_buf_parse: no method");
      goto restore;
    }  
    if (! buf_read_until_1_into_str(buf, " ", &tmp.url)) {
      err_puts("http_request_buf_parse: invalid URL");
      goto restore;
    }
    if (! buf_read_until_1_into_str(buf, "\r\n", &tmp.protocol)) {
      err_puts("http_request_buf_parse: invalid protocol");
      goto restore;
    }
    tail = &tmp.headers;
    while (1) {
      if (! buf_read_until_1_into_str(buf, "\r\n", &line)) {
        err_puts("http_request_buf_parse: invalid header");
        goto restore;
      }
      if (line.size == 0)
        break;
      *tail = list_new(NULL);
      (*tail)->tag.type = TAG_STR;
      (*tail)->tag.data.str = line;
      tail = &(*tail)->next.data.list;
    }
    buf_save_clean(buf, &save);
    *req = tmp;
    return req;
   restore:
    buf_save_restore_rpos(buf, &save);
    buf_save_clean(buf, &save);
    return NULL;
  }
  

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