remove old http parser

This commit is contained in:
SimonFJ20 2025-03-13 17:03:21 +01:00
parent e15466b460
commit 33ea563354
3 changed files with 5 additions and 124 deletions

View File

@ -1,5 +1,4 @@
#include "request.h"
#include "../str_util.h"
#include "packet.h"
#include <ctype.h>
#include <netinet/in.h>
@ -14,123 +13,6 @@
#include <threads.h>
#include <unistd.h>
int http_request_parse(
Request* req, size_t* body_idx, const char* const buf, size_t buf_size)
{
StrSplitter splitter = str_splitter(buf, buf_size, "\r\n");
StrSlice req_line = str_split_next(&splitter);
StrSplitter req_line_splitter
= str_splitter(req_line.ptr, req_line.len, " ");
StrSlice method_str = str_split_next(&req_line_splitter);
StrSlice uri_str = str_split_next(&req_line_splitter);
StrSlice version_str = str_split_next(&req_line_splitter);
if (strncmp(version_str.ptr, "HTTP/1.1", 8) != 0) {
fprintf(stderr,
"error: unrecognized http version '%.*s'\n",
(int)version_str.len,
version_str.ptr);
return -1;
}
if (method_str.len >= 8) {
fprintf(stderr, "error: malformed http method\n");
return -1;
}
char normalized_method[8] = "";
for (size_t i = 0; i < method_str.len; ++i) {
normalized_method[i] = (char)toupper(method_str.ptr[i]);
}
Method method;
if (strncmp(normalized_method, "GET", method_str.len) == 0) {
method = Method_GET;
} else if (strncmp(normalized_method, "POST", method_str.len) == 0) {
method = Method_POST;
} else {
fprintf(stderr,
"error: unrecognized http method '%.*s'\n",
(int)method_str.len,
method_str.ptr);
return -1;
}
if (uri_str.len >= MAX_PATH_LEN + 1) {
fprintf(stderr, "error: path too long\n");
return -1;
}
size_t path_len = 0;
while (path_len < uri_str.len && uri_str.ptr[path_len] != '?'
&& uri_str.ptr[path_len] != '#') {
path_len += 1;
}
char* path = calloc(path_len + 1, sizeof(char));
strncpy(path, uri_str.ptr, path_len);
path[path_len] = '\0';
char* query = NULL;
if (path_len < uri_str.len) {
size_t query_len = 0;
while (path_len + query_len < uri_str.len
&& uri_str.ptr[path_len + query_len] != '#') {
query_len += 1;
}
query = calloc(query_len + 1, sizeof(char));
strncpy(query, &uri_str.ptr[path_len], query_len);
query[query_len] = '\0';
}
HeaderVec headers;
header_vec_construct(&headers);
while (headers.size < MAX_HEADERS_LEN) {
StrSlice line = str_split_next(&splitter);
if (line.len == 0) {
*body_idx = (size_t)&line.ptr[2] - (size_t)buf;
break;
}
size_t key_len = 0;
while (key_len < line.len && line.ptr[key_len] != ':') {
key_len += 1;
}
if (key_len == 0 || key_len > MAX_HEADER_KEY_LEN) {
fprintf(stderr, "error: header key too long\n");
return -1;
}
size_t value_begin = key_len + 1;
while (value_begin < line.len && line.ptr[value_begin] == ' ') {
value_begin += 1;
}
size_t value_len = line.len - value_begin;
if (value_len == 0 || value_len > MAX_HEADER_VALUE_LEN) {
fprintf(stderr, "error: header value too long, %ld\n", value_len);
return -1;
}
char* key = calloc(key_len + 1, sizeof(char));
strncpy(key, line.ptr, key_len);
char* value = calloc(value_len + 1, sizeof(char));
strncpy(value, &line.ptr[value_begin], value_len);
header_vec_push(&headers, (Header) { key, value });
}
*req = (Request) {
method,
path,
query,
headers,
.body = NULL,
.body_size = 0,
};
return 0;
}
void http_request_destroy(Request* req)
{
free(req->path);

View File

@ -12,9 +12,6 @@ typedef struct {
size_t body_size;
} Request;
/// On error, returns -1.
int http_request_parse(
Request* req, size_t* body_idx, const char* const buf, size_t buf_size);
void http_request_destroy(Request* req);
bool http_request_has_header(const Request* req, const char* key);
const char* http_request_get_header(const Request* req, const char* key);

View File

@ -83,9 +83,11 @@ void http_worker_handle_connection(Worker* worker, ClientConnection connection)
fprintf(stderr,
"warning: failed to parse request. sending 400 Bad Request "
"response\n");
const char* res = "HTTP/1.1 400 Bad Request\r\n\r\n";
ssize_t bytes_written = write(connection.file, res, strlen(res));
if (bytes_written != (ssize_t)strlen(res)) {
const char* response
= "HTTP/1.1 400 Bad Request\r\nConnection: close\r\n\r\n";
ssize_t bytes_written
= write(connection.file, response, strlen(response));
if (bytes_written != (ssize_t)strlen(response)) {
fprintf(stderr, "error: could not send 400 Bad Request response\n");
}
goto l0_return;