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#include "rv_auth.h"

#include "rv_util.h"

#include <stdio.h>

#include <stdlib.h>

extern char** environ;

struct cookie_entry {

	char* key;

	char* value;

};

struct cookie_entry** cookie_entries;

void parse_cookie(void) {

	cookie_entries = malloc(sizeof(*cookie_entries));

	cookie_entries[0] = NULL;

	char* cookie = getenv("HTTP_COOKIE");

	if(cookie != NULL) {

		cookie = rv_strdup(cookie);

		int i;

		int incr = 0;

		for(i = 0;; i++) {

			if(cookie[i] == 0 || cookie[i] == ';') {

				char oldc = cookie[i];

				cookie[i] = 0;

				char* key = cookie + incr;

				char* value = "";

				int j;

				for(j = 0; key[j] != 0; j++) {

					if(key[j] == '=') {

						key[j] = 0;

						value = key + j + 1;

						break;

					}

				}

				struct cookie_entry* entry = malloc(sizeof(*entry));

				entry->key = rv_strdup(key);

				entry->value = rv_strdup(value);

				struct cookie_entry** old_entries = cookie_entries;

				for(j = 0; old_entries[j] != NULL; j++)

					;

				cookie_entries = malloc(sizeof(*cookie_entries) * (j + 2));

				for(j = 0; old_entries[j] != NULL; j++) {

					cookie_entries[j] = old_entries[j];

				}

				cookie_entries[j] = entry;

				cookie_entries[j + 1] = NULL;

				int oldi = i;

				i++;

				for(; cookie[i] != 0 && (cookie[i] == ' ' || cookie[i] == '\t'); i++)

					;

				i--;

				incr = i + 1;

				if(oldc == 0) break;

			}

		}

		free(cookie);

	}

}

char* rv_logged_in(void) {

	parse_cookie();

	return NULL;

}

void rv_free_auth(void) {

	int i;

	for(i = 0; cookie_entries[i] != NULL; i++) {

		free(cookie_entries[i]->key);

		free(cookie_entries[i]->value);

		free(cookie_entries[i]);

	}

	free(cookie_entries);

}