collarbone-annihilation/iu9-ca-web-chat
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Fixed some Cookie bugs, rewrote everything to nytl, added session system, added ugly login page

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Андреев Григорий 2024-08-24 01:43:07 +03:00
parent 3632ade86d
commit a6f4bd6c88
17 changed files with 399 additions and 53 deletions
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2
assets/HypertextPages/chat.html → assets/HypertextPages/chat.nytl.html
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@ -1,3 +1,4 @@
{% ELDEF main JSON pres JSON userinfo %}
<!DOCTYPE html>
<html lang="ru">
<head>
@ -36,3 +37,4 @@
<script src="/assets/js/chat.js"></script>
</body>
</html>
{% ENDELDEF %}

5
assets/HypertextPages/list-rooms.html → assets/HypertextPages/list-rooms.nytl.html
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@ -1,3 +1,4 @@
{% ELDEF main JSON pres JSON userinfo %}
<!DOCTYPE html>
<html lang="ru">
<head>
@ -7,6 +8,7 @@
<link rel="stylesheet" href="/assets/css/list-rooms.css">
</head>
<body>
{% PUT pass-userinfo userinfo %}
<div class="container">
<h1 style="color: white;">Выберите Чат-Комнату</h1>
<ul class="room-list">
@ -60,6 +62,7 @@
</div>
</div>
</div>
<script src="/assets/js/list-rooms.js"></script>
<!--<script src="/assets/js/list-rooms.js"></script>-->
</body>
</html>
{% ENDELDEF %}

9
assets/HypertextPages/login.nytl.html
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@ -1,4 +1,4 @@
{% ELDEF main JSON pres %}
{% ELDEF main JSON pres JSON userinfo %}
<!DOCTYPE html>
<html lang="{% WRITE pres.lang %}">
<head>
@ -10,11 +10,12 @@
</head>
<body>
{% PUT pass-userinfo userinfo %}
<div class="form-container">
<h1 class="hide-cursor no-select">{% WRITE pres.phr.decl.enter %}</h1>
<form action="/" method="post">
<label for="username">{% WRITE pres.phr.decl.nickname %}</label>
<input type="text" name="username" id="username"><br>
<form action="/login" method="post" enctype="application/x-www-form-urlencoded">
<label for="nickname">{% WRITE pres.phr.decl.nickname %}</label>
<input type="text" name="nickname" id="nickname"><br>
<label for="password">{% WRITE pres.phr.decl.password %}</label>
<input type="password" name="password" id="password"><br>
<button type="submit" class="hide-cursor no-select">{% WRITE pres.phr.act.enter %}</button>

5
assets/HypertextPages/pass-userinfo.nytl.html Normal file
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@ -0,0 +1,5 @@
{% ELDEF main JSON userinfo %}
<input type="hidden" id="hidden_field_uid" name="uid" value="{% WRITE userinfo.uid %}">
<input type="hidden" id="hidden_field_nickname" name="nickname" value="{% WRITE userinfo.nickname %}">
<input type="hidden" id="hidden_field_name" name="name" value="{% WRITE userinfo.name %}">
{% ENDELDEF %}

6
assets/HypertextPages/profile.html → assets/HypertextPages/profile.nytl.html
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@ -1,3 +1,4 @@
{% ELDEF main JSON pres JSON userinfo %}
<!DOCTYPE html>
<html lang="en">
<head>
@ -9,7 +10,7 @@
<div class="main-container">
<div class="profile-header">
<h1 style="color: white; text-align: center;">Профиль пользователя</h1>
<a class="return" href="chat.html">Назад</a>
<a class="return" href="chat.nytl.html">Назад</a>
</div>
<form>
<div class="columns">
@ -34,4 +35,5 @@
<script src="/assets/js/list-rooms.js"> </script>
</body>
</html>
</html>
{% ENDELDEF%}

4
assets/HypertextPages/registration.html → assets/HypertextPages/registration.nytl.html
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@ -1,3 +1,4 @@
{% ELDEF main JSON pres JSON userinfo %}
<!DOCTYPE html>
<html lang="ru">
<head>
@ -22,4 +23,5 @@
<script src="assets/js/registration.js"></script>
</body>
</html>
</html>
{% ENDELDEF %}

1
building/main.cpp
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@ -146,6 +146,7 @@ struct CAWebChat {
"str_fields.cpp",
"find_db.cpp",
"sqlite3_wrapper.cpp",
"login_cookie.cpp",
};
for (std::string& u: T.units)
u = "web_chat/iu9_ca_web_chat_lib/" + u;

36
src/http_server/engine_engine_number_9/http_structures/cookies.cpp
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@ -27,7 +27,7 @@ namespace een9 {
if (ch <= 32 || ch == 0x22 || ch == 0x2C || ch == 0x3B || ch == 0x5C || ch >= 0x7F)
return false;
}
return !str.empty();
return true;
}
std::vector<std::pair<std::string, std::string>> parseCookieHeader(const std::string &hv) {
@ -37,18 +37,25 @@ namespace een9 {
while (hv.size() > pos && isSPACE(hv[pos]))
pos++;
};
auto read_to_space_or_ch = [&](char sch) -> std::string {
auto read_to_space_or_eq = [&]() -> std::string {
size_t S = pos;
while (hv.size() > pos && !isSPACE(hv[pos]) && hv[pos] != sch)
while (hv.size() > pos && !isSPACE(hv[pos]) && hv[pos] != '=')
pos++;
return hv.substr(S, pos - S);
};
auto read_to_space_or_dq_or_semc = [&]() -> std::string {
size_t S = pos;
while (hv.size() > pos && !isSPACE(hv[pos]) && hv[pos] != '"' && hv[pos] != ';')
pos++;
return hv.substr(S, pos - S);
};
auto isThis = [&](char ch) -> bool {
return pos < hv.size() && hv[pos] == ch;
};
skip_ows();
while (pos < hv.size()) {
std::string name_of_pechenye = read_to_space_or_ch('=');
std::string name_of_pechenye = read_to_space_or_eq();
ASSERT(isCookieName(name_of_pechenye), "Incorrect Cookie name");
skip_ows();
ASSERT(isThis('='), "Incorrect Cookie header line, missing =");
@ -57,11 +64,11 @@ namespace een9 {
std::string value_of_pechenye;
if (isThis('"')) {
pos++;
value_of_pechenye = read_to_space_or_ch('"');
value_of_pechenye = read_to_space_or_dq_or_semc();
ASSERT(isThis('"'), "Incorrect Cookie header line, missing \"");
pos++;
} else {
value_of_pechenye = read_to_space_or_ch('"');;
value_of_pechenye = read_to_space_or_dq_or_semc();
}
ASSERT(isCookieValue(value_of_pechenye), "Incorrect Cookie value");
if (result.empty())
@ -73,11 +80,24 @@ namespace een9 {
return result;
}
std::vector<std::pair<std::string, std::string>>
findAllClientCookies(const std::vector<std::pair<std::string, std::string>>& header) {
std::vector<std::pair<std::string, std::string>> result;
for (const std::pair<std::string, std::string>& line: header) {
if (line.first == "Cookie") {
std::vector<std::pair<std::string, std::string>> new_cookies = parseCookieHeader(line.second);
result.reserve(result.size() + new_cookies.size());
result.insert(result.end(), new_cookies.begin(), new_cookies.end());
}
}
return result;
}
void set_cookie(const std::vector<std::pair<std::string, std::string>>& new_cookies,
std::vector<std::pair<std::string, std::string>>& res_header_lines) {
std::vector<std::pair<std::string, std::string>>& res_header_lines) {
for (const std::pair<std::string, std::string>& cookie : new_cookies) {
ASSERT_pl(isCookieName(cookie.first) && isCookieValue(cookie.second));
res_header_lines.emplace_back("Set-Cookie", cookie.first + "=" + cookie.second + ";SameSite=Strict");
res_header_lines.emplace_back("Set-Cookie", cookie.first + "=\"" + cookie.second + "\";SameSite=Strict;Path=/");
}
}
}

4
src/http_server/engine_engine_number_9/http_structures/cookies.h
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@ -14,6 +14,10 @@ namespace een9 {
/* Throws een9::ServerError on failure */
std::vector<std::pair<std::string, std::string>> parseCookieHeader(const std::string& hv);
/* Header is header. Throws een9::ServerError on failure. Concatenates output of een9::parseCookieHeader */
std::vector<std::pair<std::string, std::string>>
findAllClientCookies(const std::vector<std::pair<std::string, std::string>>& header);
/* Can throw een9::ServerError (if check for a value failed). res_header_lines is mutated accordingle */
void set_cookie(const std::vector<std::pair<std::string, std::string>>& new_cookies,
std::vector<std::pair<std::string, std::string>>& res_header_lines);

19
src/http_server/engine_engine_number_9/http_structures/response_gen.cpp
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@ -5,7 +5,8 @@
namespace een9 {
std::string form_http_server_response_header(const char* code, const std::map<std::string, std::string>& headers) {
std::string form_http_server_response_header(const char* code,
const std::vector<std::pair<std::string, std::string>>& headers) {
assert(strlen(code) == 3);
std::string result = std::string("HTTP/1.0 ") + code + " " + (code[0] < '4' ? "OK" : "ERROR") + "\r\n";
for (auto& p: headers)
@ -13,12 +14,13 @@ namespace een9 {
return result;
}
std::string form_http_server_reponse_header_only(const char* code, const std::map<std::string, std::string>& headers) {
std::string form_http_server_reponse_header_only(const char* code,
const std::vector<std::pair<std::string, std::string>>& headers) {
return form_http_server_response_header(code, headers) + "\r\n";
}
std::string form_http_server_response_with_body(const char* code,
const std::map<std::string, std::string>& headers,
const std::vector<std::pair<std::string, std::string>>& headers,
const std::string& body)
{
std::string result = form_http_server_response_header(code, headers)
@ -38,4 +40,15 @@ namespace een9 {
{"Content-Type", Content_Type}
}, body);
}
std::string form_http_server_response_307(const std::string& Location) {
return form_http_server_reponse_header_only("307", {{"Location", Location}});
}
std::string form_http_server_response_307_spec_head(const std::string &Location,
const std::vector<std::pair<std::string, std::string>>& headers) {
std::vector<std::pair<std::string, std::string>> cp = headers;
cp.emplace_back("Location", Location);
return form_http_server_reponse_header_only("307", cp);
}
}

18
src/http_server/engine_engine_number_9/http_structures/response_gen.h
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@ -1,21 +1,29 @@
#ifndef ENGINE_ENGINE_NUMBER_9_HTTP_STRUCTURES_RESPONSE_GEN_H
#define ENGINE_ENGINE_NUMBER_9_HTTP_STRUCTURES_RESPONSE_GEN_H
#include <map>
#include <vector>
#include <string>
namespace een9 {
std::string form_http_server_response_header(const char* code, const std::map<std::string, std::string>& headers);
std::string form_http_server_reponse_header_only(const char* code, const std::map<std::string, std::string>& headers);
namespace een9 {
std::string form_http_server_response_header(const char* code,
const std::vector<std::pair<std::string, std::string>>& headers);
std::string form_http_server_reponse_header_only(const char* code,
const std::vector<std::pair<std::string, std::string>>& headers);
std::string form_http_server_response_with_body(const char* code,
const std::map<std::string, std::string>& headers,
const std::vector<std::pair<std::string, std::string>>& headers,
const std::string& body);
std::string form_http_server_response_200(const std::string& Content_Type, const std::string& body);
std::string form_http_server_response_404(const std::string& Content_Type, const std::string& body);
std::string form_http_server_response_307(const std::string& Location);
std::string form_http_server_response_307_spec_head(const std::string &Location,
const std::vector<std::pair<std::string, std::string>>& headers);
}
#endif

20
src/web_chat/iu9_ca_web_chat_lib/initialize.cpp
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@ -35,31 +35,31 @@ namespace iu9cawebchat {
* If chat.lastMsgId is NULL, chat is empty
* If message.previous is NULL, this message is first in it's chat
*/
sqlite_single_statement(conn.hand, "PRAGMA foreign_keys = true");
sqlite_single_statement(conn.hand, "BEGIN");
sqlite_single_statement(conn.hand, "CREATE TABLE `nickname` (`it` TEXT PRIMARY KEY NOT NULL) WITHOUT ROWID");
sqlite_single_statement(conn.hand, "CREATE TABLE `user` ("
sqlite_nooutput(conn.hand, "PRAGMA foreign_keys = true");
sqlite_nooutput(conn.hand, "BEGIN");
sqlite_nooutput(conn.hand, "CREATE TABLE `nickname` (`it` TEXT PRIMARY KEY NOT NULL) WITHOUT ROWID");
sqlite_nooutput(conn.hand, "CREATE TABLE `user` ("
"`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
"`nickname` TEXT UNIQUE REFERENCES `nickname` NOT NULL,"
"`name` TEXT NOT NULL,"
"`chatList_HistoryId` INTEGER NOT NULL,"
"`password` TEXT NOT NULL"
")");
sqlite_single_statement(conn.hand, "CREATE TABLE `chat` ("
sqlite_nooutput(conn.hand, "CREATE TABLE `chat` ("
"`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
"`nickname` TEXT UNIQUE REFERENCES `nickname` NOT NULL,"
"`name` TEXT NOT NULL,"
"`it_HistoryId` INTEGER NOT NULL,"
"`lastMsgId` INTEGER REFERENCES `message`"
")");
sqlite_single_statement(conn.hand, "CREATE TABLE `user_chat_membership` ("
sqlite_nooutput(conn.hand, "CREATE TABLE `user_chat_membership` ("
"`userId` INTEGER REFERENCES `user` NOT NULL,"
"`chatId` INTEGER REFERENCES `chat` NOT NULL,"
"`user_chatList_IncHistoryId` INTEGER NOT NULL,"
"`chat_IncHistoryId` INTEGER NOT NULL,"
"`role` INTEGER NOT NULL"
")");
sqlite_single_statement(conn.hand, "CREATE TABLE `message` ("
sqlite_nooutput(conn.hand, "CREATE TABLE `message` ("
"`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,"
"`chatId` INTEGER REFERENCES `chat` NOT NULL,"
"`previous` INTEGER REFERENCES `message`,"
@ -69,10 +69,10 @@ namespace iu9cawebchat {
"`text` TEXT NOT NULL,"
"`chat_IncHistoryId` INTEGER NOT NULL"
")");
sqlite_single_statement(conn.hand, "INSERT INTO `nickname` VALUES (?1)", {}, {{1, "root"}});
sqlite_single_statement(conn.hand, "INSERT INTO `user` (`id`, `nickname`, `name`, `chatList_HistoryId`, `password`) VALUES "
sqlite_nooutput(conn.hand, "INSERT INTO `nickname` VALUES (?1)", {}, {{1, "root"}});
sqlite_nooutput(conn.hand, "INSERT INTO `user` (`id`, `nickname`, `name`, `chatList_HistoryId`, `password`) VALUES "
"(0, ?1, ?2, 0, ?3)", {},
{{1, "root"}, {2, "Rootov Root Rootovich"}, {3, root_pw}});
sqlite_single_statement(conn.hand, "END");
sqlite_nooutput(conn.hand, "END");
}
}

89
src/web_chat/iu9_ca_web_chat_lib/login_cookie.cpp Normal file
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@ -0,0 +1,89 @@
#include "login_cookie.h"
#include <jsonincpp/string_representation.h>
#include "str_fields.h"
#include <engine_engine_number_9/baza_throw.h>
#include <engine_engine_number_9/http_structures/cookies.h>
#include <string.h>
namespace iu9cawebchat {
bool is_login_cookie(const std::pair<std::string, std::string>& any_cookie_encoded) {
return een9::beginsWith(any_cookie_encoded.first, "login_") && !any_cookie_encoded.second.empty();
}
/* Should be verified with iu9cawebchat::is_login_cookie. Can throw std::exception anyway */
LoginCookie decode_login_cookie(const std::pair<std::string, std::string>& login_cookie_encoded) {
const std::string& ft = login_cookie_encoded.first;
size_t bg = strlen("login_");
een9_ASSERT_pl(ft.size() >= bg);
size_t s_ = bg;
while (s_ < ft.size() && ft[s_] != '_')
s_++;
een9_ASSERT_pl(s_ + 1 < ft.size())
uint64_t sec = std::stoull(ft.substr(bg, s_ - bg));
uint64_t nsec = std::stoull(ft.substr(s_ + 1, ft.size() - s_ - 1));
een9_ASSERT_pl(nsec < 1000000000);
const json::JSON cnt = json::parse_str_flawless(base64_decode(login_cookie_encoded.second));
std::string nickname = cnt[0].g().asString();
std::string password = cnt[1].g().asString();
return LoginCookie{{(time_t)sec, (time_t)nsec}, nickname, password};
}
LoginCookie create_login_cookie(const std::string& nickname, const std::string& password) {
ns_time moment;
int ret = clock_gettime(CLOCK_REALTIME, &moment);
een9_ASSERT_on_iret(ret, "Can't get time");
return {moment, nickname, password};
}
std::pair<std::string, std::string> encode_login_cookie(const LoginCookie& cookie) {
json::JSON cnt;
cnt[1].g() = cookie.password;
cnt[0].g() = cookie.nickname;
return {"login_" + std::to_string(cookie.login_time.tv_sec) + "_" + std::to_string(cookie.login_time.tv_nsec),
base64_encode(json::generate_str(cnt, json::print_compact))};
}
bool login_cookie_age_less(const LoginCookie& A, const LoginCookie& B) {
if (A.login_time.tv_sec < B.login_time.tv_sec)
return true;
if (A.login_time.tv_sec > B.login_time.tv_sec)
return false;
return A.login_time.tv_nsec < B.login_time.tv_nsec;
}
std::vector<LoginCookie> select_login_cookies(const std::vector<std::pair<std::string, std::string>> &cookie_list) {
std::vector<LoginCookie> needed;
try {
for (const std::pair<std::string, std::string>& C: cookie_list)
if (is_login_cookie(C))
needed.push_back(decode_login_cookie(C));
} catch (const std::exception& e) {
return {};
}
return needed;
}
size_t select_oldest_login_cookie(const std::vector<LoginCookie> &login_cokie_list) {
size_t oldest = 0;
for (size_t i = 1; i < login_cokie_list.size(); i++)
if (login_cookie_age_less(login_cokie_list[i], login_cokie_list[oldest]))
oldest = i;
return login_cokie_list.empty() ? 0 : oldest;
}
void add_set_cookie_headers_to_login(const std::vector<LoginCookie> &old_login_cookies,
std::vector<std::pair<std::string, std::string>> &response_headers, const LoginCookie& new_login_cookie) {
add_set_cookie_headers_to_logout(old_login_cookies, response_headers);
een9::set_cookie({encode_login_cookie(new_login_cookie)}, response_headers);
}
void add_set_cookie_headers_to_logout(const std::vector<LoginCookie> &old_login_cookies,
std::vector<std::pair<std::string, std::string>> &response_headers) {
std::vector<std::pair<std::string, std::string>> anti_cookies(old_login_cookies.size());
for (size_t i = 0; i < old_login_cookies.size(); i++) {
anti_cookies[i] = {"login_" + std::to_string(old_login_cookies[i].login_time.tv_sec) +
"_" + std::to_string(old_login_cookies[i].login_time.tv_nsec), ""};
}
een9::set_cookie(anti_cookies, response_headers);
}
}

34
src/web_chat/iu9_ca_web_chat_lib/login_cookie.h Normal file
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@ -0,0 +1,34 @@
#ifndef IU9_CA_WEB_CHAT_LIB_LOGIN_COOKIE_H
#define IU9_CA_WEB_CHAT_LIB_LOGIN_COOKIE_H
#include <time.h>
#include <string>
#include <vector>
namespace iu9cawebchat {
typedef struct timespec ns_time;
struct LoginCookie {
ns_time login_time;
std::string nickname;
std::string password;
};
bool is_login_cookie(const std::pair<std::string, std::string>& any_cookie_encoded);
LoginCookie decode_login_cookie(const std::pair<std::string, std::string>& login_cookie_encoded);
LoginCookie create_login_cookie(const std::string& nickname, const std::string& password);
std::pair<std::string, std::string> encode_login_cookie(const LoginCookie& cookie);
/* (incorrect cookie set is treated as unloginned user ) */
std::vector<LoginCookie> select_login_cookies(const std::vector<std::pair<std::string, std::string>> &cookie_list);
size_t select_oldest_login_cookie(const std::vector<LoginCookie>& login_cokie_list);
/* Populates response headers */
void add_set_cookie_headers_to_login(const std::vector<LoginCookie>& old_login_cookies,
std::vector<std::pair<std::string, std::string>>& response_headers, const LoginCookie& new_login_cookie);
void add_set_cookie_headers_to_logout(const std::vector<LoginCookie>& old_login_cookies,
std::vector<std::pair<std::string, std::string>>& response_headers);
}
#endif

89
src/web_chat/iu9_ca_web_chat_lib/run.cpp
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@ -13,6 +13,8 @@
#include "sqlite3_wrapper.h"
#include "str_fields.h"
#include "find_db.h"
#include "login_cookie.h"
#include <engine_engine_number_9/http_structures/cookies.h>
namespace iu9cawebchat {
bool termination = false;
@ -64,25 +66,94 @@ namespace iu9cawebchat {
nytl::Templater& templater = *wgd.templater;
een9::StaticAsset sa;
int ret;
auto rteee = [&](const std::string& el_name, bool pass_phr) -> std::string {
std::string page = templater.render(el_name,
pass_phr ? std::vector<const json::JSON*>{&config_presentation} : std::vector<const json::JSON*>{});
auto find_user_by_credentials = [&](const std::string& nickname, const std::string& password) -> int64_t {
SqliteStatement sql_req(*wgd.db,
"SELECT `id` FROM `user` WHERE `nickname` = ?1 AND `password` = ?2",
{}, {{1, nickname}, {2, password}});
fsql_integer_or_null id_col;
int status = sqlite_stmt_step(sql_req, {{0, &id_col}}, {});
if (status == SQLITE_ROW) {
een9_ASSERT_pl(id_col.exist & id_col.value >= 0);
return id_col.value;
}
return -1;
};
auto find_user_name = [&](int64_t uid) -> std::string {
een9_ASSERT(uid >= 0, "Are you crazy?");
SqliteStatement sql_req(*wgd.db,
"SELECT `name` FROM `user` WHERE `id` = ?1",
{{1, uid}}, {});
fsql_text8_or_null name_col;
int status = sqlite_stmt_step(sql_req, {}, {{0, &name_col}});
if (status == SQLITE_ROW) {
een9_ASSERT_pl(name_col.exist);
return name_col.value;
}
return "";
};
std::vector<std::pair<std::string, std::string>> cookies = een9::findAllClientCookies(req.headers);
std::vector<LoginCookie> login_cookies = select_login_cookies(cookies);
json::JSON userinfo;
userinfo["uid"] = json::JSON("-1");
userinfo["nickname"] = json::JSON("");
userinfo["name"] = json::JSON("");
int64_t logged_in_user = -1; /* Negative means that user is not logged in */
if (!login_cookies.empty()){
size_t oldest_ind = select_oldest_login_cookie(login_cookies);
LoginCookie& tried = login_cookies[oldest_ind];
logged_in_user = find_user_by_credentials(tried.nickname, tried.password);
if (logged_in_user >= 0) {
userinfo["uid"] = json::JSON(std::to_string(logged_in_user));
userinfo["nickname"] = json::JSON(tried.nickname);
userinfo["name"] = json::JSON(find_user_name(logged_in_user));
}
}
auto RTEE = [&](const std::string& el_name) -> std::string {
std::string page = templater.render(el_name, {&config_presentation, &userinfo});
return een9::form_http_server_response_200("text/html", page);
};
if (req.uri_path == "/" || req.uri_path == "/list-rooms") {
return rteee("list-rooms", false);
printf("DEBUG:::: %d\n", logged_in_user);
if (logged_in_user < 0)
return een9::form_http_server_response_307("/login");
return RTEE("list-rooms");
}
if (req.uri_path == "/login") {
return rteee("login", true);
if (req.method == "POST") {
std::vector<std::pair<std::string, std::string>> query = een9::split_html_query(req.body);
std::string nickname;
std::string password;
for (const std::pair<std::string, std::string>& cmp: query) {
if (cmp.first == "nickname")
nickname = cmp.second;
if (cmp.first == "password")
password = cmp.second;
}
een9_ASSERT(check_nickname(nickname), "/login/accpet-data rejected impossible nickname");
een9_ASSERT(check_password(password), "/login/accpet-data rejected impossible password");
int64_t uid = find_user_by_credentials(nickname, password);
if (uid < 0) {
/* todo: Here I need to tell somehow to user (through fancy red box, maybe), that login was incorrect */
return RTEE("login");
}
std::vector<std::pair<std::string, std::string>> response_hlines;
LoginCookie new_login_cookie = create_login_cookie(nickname, password);
add_set_cookie_headers_to_login(login_cookies, response_hlines, new_login_cookie);
return een9::form_http_server_response_307_spec_head("/", response_hlines);
}
return RTEE("login");
}
if (req.uri_path == "/chat") {
return rteee("chat", false);
return RTEE("chat");
}
if (req.uri_path == "/profile") {
return rteee("profile", false);
return RTEE("profile");
}
if (req.uri_path == "/registration") {
return rteee("registration", false);
return RTEE("registration");
}
/* Trying to interpret request as asset lookup */
ret = samI.get_asset(req.uri_path, sa);
@ -112,7 +183,7 @@ namespace iu9cawebchat {
std::string new_password = req.substr(nid + 1);
if (!check_password(new_password))
een9_THROW("Bad password");
sqlite_single_statement(wgd.db->hand,
sqlite_nooutput(wgd.db->hand,
"UPDATE `user` SET `password` = ?1 WHERE `id` = 0 ",
{}, {{1, new_password}});
return "Successul update";

83
src/web_chat/iu9_ca_web_chat_lib/sqlite3_wrapper.cpp
View File

@ -16,7 +16,7 @@ namespace iu9cawebchat {
if (sqlite3_close(hand) != 0) {abort();}
}
void sqlite_single_statement(sqlite3* db_hand, const std::string& req_statement,
void sqlite_nooutput(sqlite3* db_hand, const std::string& req_statement,
const std::vector<std::pair<int, int64_t>>& int64_binds,
const std::vector<std::pair<int, std::string>>& text8_binds) {
sqlite3_stmt* stmt_obj = NULL;
@ -26,27 +26,24 @@ namespace iu9cawebchat {
een9_THROW("Compilation of request\n" + req_statement + "\nfailed" +
((err_pos >= 0) ? " with offset " + std::to_string(err_pos) : ""));
}
een9_ASSERT(ret == 0, "Can't compile request expression");
assert(sqlite3_errcode(db_hand) == SQLITE_OK);
struct Guard1{sqlite3_stmt*& r; ~Guard1(){if (sqlite3_finalize(r) != 0) {abort();}}} guard1{stmt_obj};
for (const std::pair<int, int64_t>& bv: int64_binds) {
ret = sqlite3_bind_int64(stmt_obj, bv.first, bv.second);
een9_ASSERT(ret, "Can't bind to parameter #" + std::to_string(bv.first));
een9_ASSERT(ret == 0, "sqlite3_bind_int64");
}
for (const std::pair<int, std::string>& bv: text8_binds) {
een9_ASSERT(is_orthodox_string(bv.second), "Can't bind this string to parameter");
een9_ASSERT(bv.second.size() + 1 < INT_MAX, "Ah, oh, senpai, your string is toooo huge");
ret = sqlite3_bind_text(stmt_obj, bv.first, bv.second.c_str(), (int)bv.second.size(), SQLITE_STATIC);
een9_ASSERT(ret == 0, "sqlite3_bind_text");
}
while (true) {
ret = sqlite3_step(stmt_obj);
if (ret == SQLITE_DONE)
break;
if (ret != SQLITE_ROW) {
printf("sqlite_row error!!!\n");
printf("%s\n", sqlite3_errmsg(db_hand));
break;
}
if (ret != SQLITE_ROW)
een9_THROW(std::string("sqlite_row ") + sqlite3_errstr(ret));
int cc = sqlite3_column_count(stmt_obj);
std::vector<int> types(cc);
for (int i = 0; i < cc; i++) {
@ -84,11 +81,79 @@ namespace iu9cawebchat {
const unsigned char* text = sqlite3_column_text(stmt_obj, i);
een9_ASSERT(text, "oom in sqlite3_column_text");
printf("%s | ", (const char*)text);
// todo: THIS F. B.S. IS NOT SAFE
// todo: print only if string is safe to print
}
}
printf("\n");
}
printf("Request steps are done\n");
}
SqliteStatement::SqliteStatement(SqliteConnection &connection, const std::string &req_statement,
const std::vector<std::pair<int, int64_t>> &int64_binds,
const std::vector<std::pair<int, std::string>> &text8_binds): conn(connection) {
int ret = sqlite3_prepare_v2(connection.hand, req_statement.c_str(), -1, &stmt_obj, NULL);
if (ret != 0) {
int err_pos = sqlite3_error_offset(connection.hand);
een9_THROW("Compilation of request\n" + req_statement + "\nfailed" +
((err_pos >= 0) ? " with offset " + std::to_string(err_pos) : ""));
}
try {
for (const std::pair<int, int64_t>& bv: int64_binds) {
ret = sqlite3_bind_int64(stmt_obj, bv.first, bv.second);
een9_ASSERT(ret == 0, "sqlite3_bind_int64");
}
for (const std::pair<int, std::string>& bv: text8_binds) {
een9_ASSERT(is_orthodox_string(bv.second), "Can't bind this string to parameter");
een9_ASSERT(bv.second.size() + 1 < INT_MAX, "Ah, oh, senpai, your string is toooo huge");
ret = sqlite3_bind_text(stmt_obj, bv.first, bv.second.c_str(), (int)bv.second.size(), SQLITE_STATIC);
een9_ASSERT(ret == 0, "sqlite3_bind_text");
}
} catch (const std::exception& e) {
sqlite3_finalize(stmt_obj);
throw;
}
}
SqliteStatement::~SqliteStatement() {
sqlite3_finalize(stmt_obj);
}
int sqlite_stmt_step(SqliteStatement &stmt,
const std::vector<std::pair<int, fsql_integer_or_null *>> &ret_of_integer_or_null,
const std::vector<std::pair<int, fsql_text8_or_null *>> &ret_of_text8_or_null) {
int ret = sqlite3_step(stmt.stmt_obj);
if (ret == SQLITE_DONE)
return ret;
een9_ASSERT(ret == SQLITE_ROW, std::string("sqlite3_step ") + sqlite3_errstr(ret));
int cc = sqlite3_column_count(stmt.stmt_obj);
for (auto& resp: ret_of_integer_or_null) {
if (resp.first >= cc)
een9_THROW("Not enough");
int type = sqlite3_column_type(stmt.stmt_obj, resp.first);
if (type == SQLITE_INTEGER) {
*resp.second = fsql_integer_or_null{true, (int64_t)sqlite3_column_int64(stmt.stmt_obj, resp.first)};
} else if (type == SQLITE_NULL) {
*resp.second = fsql_integer_or_null{false, 0};
} else
een9_THROW("sqlite3_column_type. Incorrect type");
}
for (auto& resp: ret_of_text8_or_null) {
if (resp.first >= cc)
een9_THROW("Not enough");
int type = sqlite3_column_type(stmt.stmt_obj, resp.first);
if (type == SQLITE_TEXT) {
/* Hm, yeah, I am reinterpret_casting between char and unsigned char again */
const unsigned char* text = sqlite3_column_text(stmt.stmt_obj, resp.first);
een9_ASSERT(text, "oom in sqlite3_column_text");
*resp.second = fsql_text8_or_null{true, reinterpret_cast<const char*>(text)};
} else if (type == SQLITE_NULL) {
*resp.second = fsql_text8_or_null{false, ""};
} else
een9_THROW("sqlite3_column_type. Incorrect type");
}
return SQLITE_ROW;
}
}

28
src/web_chat/iu9_ca_web_chat_lib/sqlite3_wrapper.h
View File

@ -15,9 +15,35 @@ namespace iu9cawebchat {
~SqliteConnection();
};
void sqlite_single_statement(sqlite3* db_hand, const std::string& req_statement,
void sqlite_nooutput(sqlite3* db_hand, const std::string& req_statement,
const std::vector<std::pair<int, int64_t>>& int64_binds= {},
const std::vector<std::pair<int, std::string>>& text8_binds = {});
struct fsql_integer_or_null {
bool exist;
int64_t value;
};
struct fsql_text8_or_null {
bool exist;
std::string value;
};
struct SqliteStatement {
SqliteConnection& conn;
sqlite3_stmt* stmt_obj = NULL;
SqliteStatement(SqliteConnection& connection, const std::string& req_statement,
const std::vector<std::pair<int, int64_t>>& int64_binds= {},
const std::vector<std::pair<int, std::string>>& text8_binds = {});
SqliteStatement(SqliteStatement&) = delete;
SqliteStatement& operator=(SqliteStatement&) = delete;
~SqliteStatement();
};
int sqlite_stmt_step(SqliteStatement& stmt,
const std::vector<std::pair<int, fsql_integer_or_null*>>& ret_of_integer_or_null,
const std::vector<std::pair<int, fsql_text8_or_null*>>& ret_of_text8_or_null);
}
#endif