refactor: change project structure
This commit is contained in:
384
src/http/http.c
384
src/http/http.c
@@ -1,384 +0,0 @@
|
||||
#include "http/http.h"
|
||||
|
||||
#include <errno.h>
|
||||
#include <fcntl.h>
|
||||
#include <myclib/mystring.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "utils/debug.h"
|
||||
#include "utils/socket.h"
|
||||
#include "utils/utils.h"
|
||||
|
||||
static cws_http_s *http_new() {
|
||||
cws_http_s *request = malloc(sizeof(cws_http_s));
|
||||
if (!request) {
|
||||
return NULL;
|
||||
}
|
||||
memset(request, 0, sizeof *request);
|
||||
|
||||
request->http_version = string_new("", 16);
|
||||
request->location = string_new("", 128);
|
||||
request->location_path = string_new("", 128);
|
||||
|
||||
return request;
|
||||
}
|
||||
|
||||
static cws_http_method_e http_parse_method(const char *method) {
|
||||
if (strcmp(method, "GET") == 0) {
|
||||
return HTTP_GET;
|
||||
}
|
||||
|
||||
if (strcmp(method, "POST") == 0) {
|
||||
return HTTP_POST;
|
||||
}
|
||||
|
||||
return HTTP_UNKNOWN;
|
||||
}
|
||||
|
||||
static mimetype mimetypes[] = {{"html", "text/html"},
|
||||
{"css", "text/css"},
|
||||
{"js", "application/javascript"},
|
||||
{"jpg", "image/jpeg"},
|
||||
{"png", "image/png"}};
|
||||
|
||||
static int http_get_content_type(char *location_path, char *content_type) {
|
||||
/* Find last occurrence of a string */
|
||||
char *ptr = strrchr(location_path, '.');
|
||||
if (ptr == NULL) {
|
||||
return -1;
|
||||
}
|
||||
ptr += 1;
|
||||
|
||||
for (size_t i = 0; i < ARR_SIZE(mimetypes); ++i) {
|
||||
if (!strcmp(ptr, mimetypes[i].ext)) {
|
||||
snprintf(content_type, CWS_HTTP_CONTENT_TYPE - 1, "%s", mimetypes[i].type);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static char *http_status_string(cws_http_status_e status) {
|
||||
switch (status) {
|
||||
case HTTP_OK: {
|
||||
return "200 OK";
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_FOUND: {
|
||||
return "404 Not Found";
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_IMPLEMENTED: {
|
||||
return "501 Not Implemented";
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return "?";
|
||||
}
|
||||
|
||||
static size_t file_data(const char *path, char **data) {
|
||||
FILE *file = fopen(path, "rb");
|
||||
if (!file) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Retrieve file size */
|
||||
fseek(file, 0, SEEK_END);
|
||||
const size_t content_length = ftell(file);
|
||||
errno = 0;
|
||||
rewind(file);
|
||||
if (errno != 0) {
|
||||
fclose(file);
|
||||
CWS_LOG_ERROR("Unable to rewind");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Retrieve file data */
|
||||
*data = malloc(content_length);
|
||||
if (!*data) {
|
||||
fclose(file);
|
||||
CWS_LOG_ERROR("Unable to allocate file data");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Read file data */
|
||||
size_t read_bytes = fread(*data, 1, content_length, file);
|
||||
fclose(file);
|
||||
|
||||
if (read_bytes != content_length) {
|
||||
CWS_LOG_ERROR("Partial read from file");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
return content_length;
|
||||
}
|
||||
|
||||
static cws_server_ret http_send_resource(cws_http_s *request) {
|
||||
/* Retrieve correct Content-Type */
|
||||
char content_type[CWS_HTTP_CONTENT_TYPE];
|
||||
http_get_content_type(request->location_path->data, content_type);
|
||||
CWS_LOG_DEBUG("content-type: %s", content_type);
|
||||
|
||||
/* TODO: Check for keep-alive */
|
||||
|
||||
char *data = NULL;
|
||||
char *response;
|
||||
size_t content_length = file_data(request->location_path->data, &data);
|
||||
|
||||
size_t response_len =
|
||||
http_response_builder(&response, HTTP_OK, content_type, data, content_length);
|
||||
|
||||
ssize_t sent = cws_send_data(request->sockfd, response, response_len, 0);
|
||||
CWS_LOG_DEBUG("Sent %zd bytes", sent);
|
||||
|
||||
free(response);
|
||||
free(data);
|
||||
|
||||
return CWS_SERVER_OK;
|
||||
}
|
||||
|
||||
static size_t http_simple_html(char **response, cws_http_status_e status, char *title,
|
||||
char *description) {
|
||||
char body[512];
|
||||
memset(body, 0, sizeof body);
|
||||
|
||||
snprintf(body, sizeof(body),
|
||||
"<html>\n"
|
||||
"<head>\n"
|
||||
" <title>%s</title>\n"
|
||||
"</head>\n"
|
||||
"<body>\n"
|
||||
"<p>%s</p>\n"
|
||||
"</body>"
|
||||
"</html>",
|
||||
title, description);
|
||||
size_t body_len = strlen(body);
|
||||
|
||||
size_t response_len = http_response_builder(response, status, "text/html", body, body_len);
|
||||
|
||||
return response_len;
|
||||
}
|
||||
|
||||
cws_http_s *cws_http_parse(string_s *request_str) {
|
||||
if (!request_str || !request_str->data) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
cws_http_s *request = http_new();
|
||||
if (request == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char *str = strdup(request_str->data);
|
||||
if (!str) {
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
char *str_free = str;
|
||||
|
||||
/* Parse HTTP method */
|
||||
str += strspn(str, " ");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
size_t len = strcspn(str, " ");
|
||||
if (str[len] == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
CWS_LOG_DEBUG("method: %s", str);
|
||||
request->method = http_parse_method(str);
|
||||
str += len + 1;
|
||||
|
||||
/* Parse location */
|
||||
str += strspn(str, " ");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
len = strcspn(str, " ");
|
||||
if (str[len] == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
string_append(request->location, str);
|
||||
str += len + 1;
|
||||
|
||||
/* Adjust location path */
|
||||
/* @TODO: fix path traversal */
|
||||
string_append(request->location_path, "www");
|
||||
if (strcmp(request->location->data, "/") == 0) {
|
||||
string_append(request->location_path, "/index.html");
|
||||
} else {
|
||||
string_append(request->location_path, request->location->data);
|
||||
}
|
||||
CWS_LOG_DEBUG("location path: %s", request->location_path->data);
|
||||
|
||||
/* Parse HTTP version */
|
||||
str += strspn(str, " \t");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
len = strcspn(str, "\r\n");
|
||||
if (len == 0) {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
CWS_LOG_DEBUG("version: %s", str);
|
||||
string_append(request->http_version, str);
|
||||
str += len;
|
||||
|
||||
/* Parse headers until a blank line (\r\n\r\n) */
|
||||
request->headers =
|
||||
hm_new(my_str_hash_fn, my_str_equal_fn, my_str_free_fn, my_str_free_fn,
|
||||
sizeof(char) * CWS_HTTP_HEADER_MAX, sizeof(char) * CWS_HTTP_HEADER_CONTENT_MAX);
|
||||
|
||||
str += strspn(str, "\r\n");
|
||||
|
||||
while (*str != '\0' && *str != '\r') {
|
||||
char *line_end = strstr(str, "\r\n");
|
||||
if (!line_end) {
|
||||
break;
|
||||
}
|
||||
*line_end = '\0';
|
||||
|
||||
char *colon = strchr(str, ':');
|
||||
if (!colon) {
|
||||
str = line_end + 2;
|
||||
continue;
|
||||
}
|
||||
|
||||
*colon = '\0';
|
||||
|
||||
char *header_key = str;
|
||||
char *header_value = colon + 1;
|
||||
header_value += strspn(header_value, " \t");
|
||||
|
||||
char hk[CWS_HTTP_HEADER_MAX];
|
||||
char hv[CWS_HTTP_HEADER_CONTENT_MAX];
|
||||
|
||||
strncpy(hk, header_key, sizeof(hk) - 1);
|
||||
hk[sizeof(hk) - 1] = '\0';
|
||||
|
||||
strncpy(hv, header_value, sizeof(hv) - 1);
|
||||
hv[sizeof(hv) - 1] = '\0';
|
||||
|
||||
hm_set(request->headers, hk, hv);
|
||||
|
||||
/* Move to the next line */
|
||||
str = line_end + 2;
|
||||
}
|
||||
|
||||
free(str_free);
|
||||
|
||||
/* TODO: Parse body */
|
||||
/* str is at the beginning of the body */
|
||||
|
||||
return request;
|
||||
}
|
||||
|
||||
static size_t http_header_len(char *status_code, char *content_type, size_t body_len) {
|
||||
size_t len = snprintf(NULL, 0,
|
||||
"HTTP/1.1 %s\r\n"
|
||||
"Content-Type: %s\r\n"
|
||||
"Content-Length: %zu\r\n"
|
||||
"Connection: close\r\n"
|
||||
"\r\n",
|
||||
status_code, content_type, body_len);
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
size_t http_response_builder(char **response, cws_http_status_e status, char *content_type,
|
||||
char *body, size_t body_len_bytes) {
|
||||
char *status_code = http_status_string(status);
|
||||
|
||||
size_t header_len = http_header_len(status_code, content_type, body_len_bytes);
|
||||
size_t total_len = header_len + body_len_bytes;
|
||||
|
||||
*response = malloc(total_len + 1);
|
||||
if (*response == NULL) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
snprintf(*response, header_len + 1,
|
||||
"HTTP/1.1 %s\r\nContent-Type: %s\r\nContent-Length: %zu\r\nConnection: close\r\n\r\n",
|
||||
status_code, content_type, body_len_bytes);
|
||||
|
||||
/* Only append body if we have it */
|
||||
if (body && body_len_bytes > 0) {
|
||||
memcpy(*response + header_len, body, body_len_bytes);
|
||||
}
|
||||
|
||||
(*response)[total_len] = '\0';
|
||||
|
||||
return total_len;
|
||||
}
|
||||
|
||||
void cws_http_send_response(cws_http_s *request, cws_http_status_e status) {
|
||||
char *response = NULL;
|
||||
|
||||
switch (status) {
|
||||
case HTTP_OK:
|
||||
http_send_resource(request);
|
||||
break;
|
||||
case HTTP_NOT_FOUND: {
|
||||
size_t len = http_simple_html(&response, HTTP_NOT_FOUND, "404 Not Found",
|
||||
"Resource not found, 404.");
|
||||
cws_send_data(request->sockfd, response, len, 0);
|
||||
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_IMPLEMENTED: {
|
||||
size_t len = http_simple_html(&response, HTTP_NOT_IMPLEMENTED, "501 Not Implemented",
|
||||
"Method not implemented, 501.");
|
||||
cws_send_data(request->sockfd, response, len, 0);
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
free(response);
|
||||
}
|
||||
|
||||
void cws_http_free(cws_http_s *request) {
|
||||
if (!request) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (request->headers) {
|
||||
hm_free(request->headers);
|
||||
}
|
||||
|
||||
if (request->http_version) {
|
||||
string_free(request->http_version);
|
||||
}
|
||||
|
||||
if (request->location) {
|
||||
string_free(request->location);
|
||||
}
|
||||
|
||||
if (request->location_path) {
|
||||
string_free(request->location_path);
|
||||
}
|
||||
|
||||
free(request);
|
||||
}
|
||||
28
src/http/mime.c
Normal file
28
src/http/mime.c
Normal file
@@ -0,0 +1,28 @@
|
||||
#include "http/mime.h"
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include "http/request.h"
|
||||
|
||||
static mimetype mimetypes[] = {{"html", "text/html"},
|
||||
{"css", "text/css"},
|
||||
{"js", "application/javascript"},
|
||||
{"jpg", "image/jpeg"},
|
||||
{"png", "image/png"}};
|
||||
|
||||
int http_get_content_type(char *location_path, char *content_type) {
|
||||
/* Find last occurrence of a string */
|
||||
char *ptr = strrchr(location_path, '.');
|
||||
if (ptr == NULL) {
|
||||
return -1;
|
||||
}
|
||||
ptr += 1;
|
||||
|
||||
for (size_t i = 0; i < ARR_SIZE(mimetypes); ++i) {
|
||||
if (!strcmp(ptr, mimetypes[i].ext)) {
|
||||
snprintf(content_type, CWS_HTTP_CONTENT_TYPE - 1, "%s", mimetypes[i].type);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
190
src/http/request.c
Normal file
190
src/http/request.c
Normal file
@@ -0,0 +1,190 @@
|
||||
#include "http/request.h"
|
||||
|
||||
#include <fcntl.h>
|
||||
#include <myclib/mystring.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include "utils/debug.h"
|
||||
#include "utils/hash_utils.h"
|
||||
|
||||
static cws_http_s *http_new() {
|
||||
cws_http_s *request = malloc(sizeof(cws_http_s));
|
||||
if (!request) {
|
||||
return NULL;
|
||||
}
|
||||
memset(request, 0, sizeof *request);
|
||||
|
||||
request->http_version = string_new("", 16);
|
||||
request->location = string_new("", 128);
|
||||
request->location_path = string_new("", 128);
|
||||
|
||||
return request;
|
||||
}
|
||||
|
||||
static cws_http_method_e http_parse_method(const char *method) {
|
||||
if (strcmp(method, "GET") == 0) {
|
||||
return HTTP_GET;
|
||||
}
|
||||
|
||||
if (strcmp(method, "POST") == 0) {
|
||||
return HTTP_POST;
|
||||
}
|
||||
|
||||
return HTTP_UNKNOWN;
|
||||
}
|
||||
|
||||
cws_http_s *cws_http_parse(string_s *request_str) {
|
||||
if (!request_str || !request_str->data) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
cws_http_s *request = http_new();
|
||||
if (request == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
char *str = strdup(request_str->data);
|
||||
if (!str) {
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
char *str_free = str;
|
||||
|
||||
/* Parse HTTP method */
|
||||
str += strspn(str, " ");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
size_t len = strcspn(str, " ");
|
||||
if (str[len] == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
CWS_LOG_DEBUG("method: %s", str);
|
||||
request->method = http_parse_method(str);
|
||||
str += len + 1;
|
||||
|
||||
/* Parse location */
|
||||
str += strspn(str, " ");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
len = strcspn(str, " ");
|
||||
if (str[len] == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
string_append(request->location, str);
|
||||
str += len + 1;
|
||||
|
||||
/* Adjust location path */
|
||||
/* @TODO: fix path traversal */
|
||||
string_append(request->location_path, "www");
|
||||
if (strcmp(request->location->data, "/") == 0) {
|
||||
string_append(request->location_path, "/index.html");
|
||||
} else {
|
||||
string_append(request->location_path, request->location->data);
|
||||
}
|
||||
CWS_LOG_DEBUG("location path: %s", request->location_path->data);
|
||||
|
||||
/* Parse HTTP version */
|
||||
str += strspn(str, " \t");
|
||||
if (*str == '\0') {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
len = strcspn(str, "\r\n");
|
||||
if (len == 0) {
|
||||
free(str_free);
|
||||
cws_http_free(request);
|
||||
return NULL;
|
||||
}
|
||||
str[len] = '\0';
|
||||
CWS_LOG_DEBUG("version: %s", str);
|
||||
string_append(request->http_version, str);
|
||||
str += len;
|
||||
|
||||
/* Parse headers until a blank line (\r\n\r\n) */
|
||||
request->headers =
|
||||
hm_new(my_str_hash_fn, my_str_equal_fn, my_str_free_fn, my_str_free_fn,
|
||||
sizeof(char) * CWS_HTTP_HEADER_MAX, sizeof(char) * CWS_HTTP_HEADER_CONTENT_MAX);
|
||||
|
||||
str += strspn(str, "\r\n");
|
||||
|
||||
while (*str != '\0' && *str != '\r') {
|
||||
char *line_end = strstr(str, "\r\n");
|
||||
if (!line_end) {
|
||||
break;
|
||||
}
|
||||
*line_end = '\0';
|
||||
|
||||
char *colon = strchr(str, ':');
|
||||
if (!colon) {
|
||||
str = line_end + 2;
|
||||
continue;
|
||||
}
|
||||
|
||||
*colon = '\0';
|
||||
|
||||
char *header_key = str;
|
||||
char *header_value = colon + 1;
|
||||
header_value += strspn(header_value, " \t");
|
||||
|
||||
char hk[CWS_HTTP_HEADER_MAX];
|
||||
char hv[CWS_HTTP_HEADER_CONTENT_MAX];
|
||||
|
||||
strncpy(hk, header_key, sizeof(hk) - 1);
|
||||
hk[sizeof(hk) - 1] = '\0';
|
||||
|
||||
strncpy(hv, header_value, sizeof(hv) - 1);
|
||||
hv[sizeof(hv) - 1] = '\0';
|
||||
|
||||
hm_set(request->headers, hk, hv);
|
||||
|
||||
/* Move to the next line */
|
||||
str = line_end + 2;
|
||||
}
|
||||
|
||||
free(str_free);
|
||||
|
||||
/* TODO: Parse body */
|
||||
/* str is at the beginning of the body */
|
||||
|
||||
return request;
|
||||
}
|
||||
|
||||
void cws_http_free(cws_http_s *request) {
|
||||
if (!request) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (request->headers) {
|
||||
hm_free(request->headers);
|
||||
}
|
||||
|
||||
if (request->http_version) {
|
||||
string_free(request->http_version);
|
||||
}
|
||||
|
||||
if (request->location) {
|
||||
string_free(request->location);
|
||||
}
|
||||
|
||||
if (request->location_path) {
|
||||
string_free(request->location_path);
|
||||
}
|
||||
|
||||
free(request);
|
||||
}
|
||||
174
src/http/response.c
Normal file
174
src/http/response.c
Normal file
@@ -0,0 +1,174 @@
|
||||
#include "http/response.h"
|
||||
|
||||
#include "http/mime.h"
|
||||
#include "utils/debug.h"
|
||||
#include <core/socket_utils.h>
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
size_t http_simple_html(char **response, cws_http_status_e status, char *title, char *description) {
|
||||
char body[512] = {0};
|
||||
|
||||
snprintf(body, sizeof(body),
|
||||
"<html>\n"
|
||||
"<head>\n"
|
||||
" <title>%s</title>\n"
|
||||
"</head>\n"
|
||||
"<body>\n"
|
||||
"<p>%s</p>\n"
|
||||
"</body>"
|
||||
"</html>",
|
||||
title, description);
|
||||
size_t body_len = strlen(body);
|
||||
|
||||
size_t response_len = http_response_builder(response, status, "text/html", body, body_len);
|
||||
|
||||
return response_len;
|
||||
}
|
||||
|
||||
static size_t http_header_len(char *status_code, char *content_type, size_t body_len) {
|
||||
size_t len = snprintf(NULL, 0,
|
||||
"HTTP/1.1 %s\r\n"
|
||||
"Content-Type: %s\r\n"
|
||||
"Content-Length: %zu\r\n"
|
||||
"Connection: close\r\n"
|
||||
"\r\n",
|
||||
status_code, content_type, body_len);
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static char *http_status_string(cws_http_status_e status) {
|
||||
switch (status) {
|
||||
case HTTP_OK: {
|
||||
return "200 OK";
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_FOUND: {
|
||||
return "404 Not Found";
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_IMPLEMENTED: {
|
||||
return "501 Not Implemented";
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return "?";
|
||||
}
|
||||
|
||||
static size_t file_data(const char *path, char **data) {
|
||||
FILE *file = fopen(path, "rb");
|
||||
if (!file) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Retrieve file size */
|
||||
fseek(file, 0, SEEK_END);
|
||||
const size_t content_length = ftell(file);
|
||||
errno = 0;
|
||||
rewind(file);
|
||||
if (errno != 0) {
|
||||
fclose(file);
|
||||
CWS_LOG_ERROR("Unable to rewind");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Retrieve file data */
|
||||
*data = malloc(content_length);
|
||||
if (!*data) {
|
||||
fclose(file);
|
||||
CWS_LOG_ERROR("Unable to allocate file data");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Read file data */
|
||||
size_t read_bytes = fread(*data, 1, content_length, file);
|
||||
fclose(file);
|
||||
|
||||
if (read_bytes != content_length) {
|
||||
CWS_LOG_ERROR("Partial read from file");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
return content_length;
|
||||
}
|
||||
|
||||
static void http_send_resource(cws_http_s *request) {
|
||||
/* Retrieve correct Content-Type */
|
||||
char content_type[CWS_HTTP_CONTENT_TYPE];
|
||||
http_get_content_type(request->location_path->data, content_type);
|
||||
CWS_LOG_DEBUG("content-type: %s", content_type);
|
||||
|
||||
/* TODO: Check for keep-alive */
|
||||
|
||||
char *data = NULL;
|
||||
char *response;
|
||||
size_t content_length = file_data(request->location_path->data, &data);
|
||||
|
||||
size_t response_len =
|
||||
http_response_builder(&response, HTTP_OK, content_type, data, content_length);
|
||||
|
||||
ssize_t sent = cws_send_data(request->sockfd, response, response_len, 0);
|
||||
CWS_LOG_DEBUG("Sent %zd bytes", sent);
|
||||
|
||||
free(response);
|
||||
free(data);
|
||||
}
|
||||
|
||||
size_t http_response_builder(char **response, cws_http_status_e status, char *content_type,
|
||||
char *body, size_t body_len_bytes) {
|
||||
char *status_code = http_status_string(status);
|
||||
|
||||
size_t header_len = http_header_len(status_code, content_type, body_len_bytes);
|
||||
size_t total_len = header_len + body_len_bytes;
|
||||
|
||||
*response = malloc(total_len + 1);
|
||||
if (*response == NULL) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
snprintf(*response, header_len + 1,
|
||||
"HTTP/1.1 %s\r\nContent-Type: %s\r\nContent-Length: %zu\r\nConnection: close\r\n\r\n",
|
||||
status_code, content_type, body_len_bytes);
|
||||
|
||||
/* Only append body if we have it */
|
||||
if (body && body_len_bytes > 0) {
|
||||
memcpy(*response + header_len, body, body_len_bytes);
|
||||
}
|
||||
|
||||
(*response)[total_len] = '\0';
|
||||
|
||||
return total_len;
|
||||
}
|
||||
|
||||
void cws_http_send_response(cws_http_s *request, cws_http_status_e status) {
|
||||
char *response = NULL;
|
||||
|
||||
switch (status) {
|
||||
case HTTP_OK:
|
||||
http_send_resource(request);
|
||||
break;
|
||||
case HTTP_NOT_FOUND: {
|
||||
size_t len = http_simple_html(&response, HTTP_NOT_FOUND, "404 Not Found",
|
||||
"Resource not found, 404.");
|
||||
cws_send_data(request->sockfd, response, len, 0);
|
||||
|
||||
break;
|
||||
}
|
||||
case HTTP_NOT_IMPLEMENTED: {
|
||||
size_t len = http_simple_html(&response, HTTP_NOT_IMPLEMENTED, "501 Not Implemented",
|
||||
"Method not implemented, 501.");
|
||||
cws_send_data(request->sockfd, response, len, 0);
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
free(response);
|
||||
}
|
||||
Reference in New Issue
Block a user