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#include "response.h"
#include "tools.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void magi_response_init(struct magi_response *r)
{
r->head_response = 0;
r->head_general = 0;
r->head_entity = 0;
magi_response_status(r, 200, "OK");
magi_response_content_type(r, "text/html");
}
static void response_headers(struct magi_params *p)
{
for (; p; p = p->next) {
fputs(p->item.name, stdout);
fputs(": ", stdout);
fputs(p->item.data, stdout);
fputs("\r\n", stdout);
}
}
void magi_response_send(const struct magi_response *r)
{
response_headers(r->head_response);
response_headers(r->head_general);
response_headers(r->head_entity);
fputs("\r\n", stdout);
}
void magi_response_free(struct magi_response *r)
{
magi_params_free(r->head_response);
magi_params_free(r->head_general);
magi_params_free(r->head_entity);
free(r->head_response);
free(r->head_general);
free(r->head_entity);
r->head_response = 0;
r->head_general = 0;
r->head_entity = 0;
}
void magi_response_default()
{
fputs("Status: 200 Ok\r\n"
"Content-Type: text/html\r\n\r\n", stdout);
}
void magi_response_status(struct magi_response *r,
int code,
const char *description)
{
int dlen;
struct magi_param addon;
if (code <= 99 || 600 <= code) {
return;
}
dlen = strlen(description);
addon.name = magi_str_create_copy("Status", 6);
addon.data = malloc(5 + dlen);
addon.data[0] = '0' + code / 100;
addon.data[1] = '0' + code / 10 % 10;
addon.data[2] = '0' + code % 10;
addon.data[3] = ' ';
memcpy(addon.data + 4, description, dlen + 1);
magi_params_set(&r->head_response, &addon);
}
void magi_response_cookie(struct magi_response *r,
const char *name,
const char *data)
{
int nlen;
int dlen;
struct magi_param addon;
if (!name || !data) {
return;
}
nlen = strlen(name);
dlen = strlen(data);
addon.name = magi_str_create_copy("Set-Cookie", 10);
addon.data = malloc(nlen + dlen + 2);
memcpy(addon.data, name, nlen);
addon.data[nlen] = '=';
memcpy(addon.data + nlen + 1, data, dlen + 1);
magi_params_add(&r->head_general, &addon);
}
void magi_response_cookie_complex(struct magi_response *r,
const struct magi_cookie *c)
{
char *pointer;
struct magi_param addon;
int nlen, dlen, dsize, psize, msize;
const int cdsize = 9;
const int cpsize = 7;
const int cmsize = 10;
if (!c->name) {
return;
}
nlen = strlen(c->name);
dlen = c->data ? strlen(c->data) : 0;
dsize = c->domain ? strlen(c->domain) + cdsize : 0;
psize = c->path ? strlen(c->path) + cpsize : 0;
msize = c->max_age ? strlen(c->max_age) + cmsize : 0;
addon.name = magi_str_create_copy("Set-Cookie", 10);
addon.data = magi_str_create(nlen + dlen + dsize + psize + msize + 1);
pointer = addon.data;
memcpy(pointer, c->name, nlen);
pointer += nlen;
*pointer = '=';
++pointer;
if (dlen) {
memcpy(pointer, c->data, dlen);
pointer += dlen;
}
if (dsize) {
memcpy(pointer, "; Domain=", cdsize);
memcpy(pointer + cdsize, c->domain, dsize - cdsize);
pointer += dsize;
}
if (psize) {
memcpy(pointer, "; Path=", cpsize);
memcpy(pointer + cpsize, c->path, psize - cpsize);
pointer += psize;
}
if (msize) {
memcpy(pointer, "; Max-Age=", cmsize);
memcpy(pointer + cmsize, c->max_age, msize - cmsize);
}
magi_params_add(&r->head_general, &addon);
}
void magi_response_cookie_discard(struct magi_response *r, const char *name)
{
int len;
struct magi_param addon;
if (!name) {
return;
}
len = strlen(name);
addon.name = magi_str_create_copy("Set-Cookie", 10);
addon.data = malloc(len + 13);
memcpy(addon.data, name, len);
memcpy(addon.data + len, "=; Max-Age=1", 13);
magi_params_add(&r->head_general, &addon);
}
void magi_response_header(struct magi_response *r,
const char *name,
const char *data)
{
struct magi_param addon;
addon.name = magi_str_create_copy(name, strlen(name));
addon.data = magi_str_create_copy(data, strlen(data));
magi_params_add(&r->head_general, &addon);
}
void magi_response_content_length(struct magi_response *r, int length)
{
struct magi_param addon;
int len = 1;
int tmp = length;
addon.name = magi_str_create_copy("Content-Length", 14);
while (tmp /= 10) {
++len;
}
addon.data = malloc(len + 1);
addon.data[len - 1] = '0' + length % 10;
length /= 10;
for (tmp = len - 2; tmp >= 0; --tmp) {
addon.data[tmp] = '0' + length % 10;
length /= 10;
}
addon.data[len] = 0;
magi_params_set(&r->head_entity, &addon);
}
void magi_response_content_type(struct magi_response *r, const char *type)
{
struct magi_param addon;
addon.name = magi_str_create_copy("Content-Type", 12);
addon.data = magi_str_create_copy(type, strlen(type));
magi_params_set(&r->head_entity, &addon);
}
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