source: S-port/trunk/Core/Src/cookie.c

#include "cookie.h"
#include <string.h>

struct cookie_write_control g_cookie_write_control;
#define CWC(x) g_cookie_write_control.x

void cookie_write_open(char *buffer, unsigned int buflen)
{
//      memset(buffer, 0, buflen);
        CWC(buffer)= buffer;
        CWC(buflen)= buflen;
        CWC(stackpos)=0;
}

void cookie_write_putch(char c)
{
        *CWC(buffer)++ = c;
        CWC(stackpos)++;
}

void cookie_write_putstr(char *str)
{
        while(*str != '\0') cookie_write_putch(*str++);
}

void cookie_set(char *key, char* value)
{
        cookie_write_putstr("Set-Cookie: ");
        cookie_write_putstr(key);
        cookie_write_putch('=');
        cookie_write_putstr(value);
        cookie_write_putstr("; path=/; SameSite=Strict\r\n");
}

void cookie_close(void)
{
        cookie_write_putch('\0');
}

void cookie_parse_tokens(cookie_token_data_typDef *cookie)
{
        if(cookie == NULL) return;
        uint16_t count_token = 0, pos_char = 0;
        for(; pos_char < cookie->len; pos_char++){
                switch(cookie->data[pos_char]){
                        case '=': 
                                cookie->tokens[count_token].end = pos_char - 1;
                                count_token++;
                                cookie->tokens[count_token].start = pos_char + 1;
                                break;

                        case ';': 
                                cookie->tokens[count_token].end = pos_char - 1;
                                count_token++;
                                break; 
                                
                        case ' ': 
                                cookie->tokens[count_token].start = pos_char + 1;
                                break; 
                        default:
                                if(pos_char == 0) cookie->tokens[count_token].start = pos_char;
                                cookie->tokens[count_token].size++;
                                break;
                }
        }
        cookie->tokens[count_token].end = pos_char - 1;
        cookie->tokenCount = count_token + 1;
}

void cookie_get_option(cookie_token_data_typDef *cookie, char *option, char *value)
{
        if((cookie == NULL) || (option == NULL)) *value = NULL;
        for(uint16_t i = 0; i < cookie->tokenCount; i++){
                if(memcmp(option, &cookie->data[cookie->tokens[i].start], cookie->tokens[i].size) == 0){ // ñîøëîñü, çíà÷èò ñëåäóþùèé òîêåí òî ÷òî íóæíî ïîëó÷èòü
                        if(cookie->tokens[i + 1].size > 0) {
                                memset(value, 0x00, strlen(value));
                                memcpy(value, &cookie->data[cookie->tokens[i + 1].start], cookie->tokens[i + 1].size);
                                cookie->data[cookie->tokens[i + 1].size] = 0;
                        }
                        else *value = NULL;// íåò çíà÷åíèÿ
                        return;
                }
        }
        *value = NULL;
}