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Make a big amalgamation of HTTP, WL, sqlite alongside cweb

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cozis
2025-09-24 10:51:12 +02:00
parent 0790a11b00
commit f2d5eef6d2
23 changed files with 275535 additions and 361 deletions
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demo/main.c
+50 -96
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@@ -1,68 +1,7 @@
#include <stddef.h>
#include "cweb.h"
#if 0
#define WL_STR(X) ((WL_String) { (X), (int) sizeof(X)-1})
#define HTML_STR(X) html_str(HTTP_STR(#X))
static CWEB_String html_str(CWEB_String str)
{
str = cweb_trim(str);
if (str.len > 0 && str.ptr[0] == '(') {
str.ptr++;
str.len--;
}
if (str.len > 0 && str.ptr[str.len-1] == ')')
str.len--;
return str;
}
int load_file(char *file, char **data, long *size)
{
FILE *f = fopen(file, "rb");
if (f == NULL) return -1;
fseek(f, 0, SEEK_END);
*size = ftell(f);
fseek(f, 0, SEEK_SET);
*data = malloc(*size + 1);
fread(*data, 1, *size, f);
(*data)[*size] = '\0';
fclose(f);
return 0;
}
static void *alloc(WL_Arena *arena, int num, int align)
{
int pad = -(uintptr_t) (arena->ptr + arena->cur) & (align-1);
if (arena->len - arena->cur < num + pad)
return NULL;
void *ptr = arena->ptr + arena->cur + pad;
arena->cur += num + pad;
return ptr;
}
static bool is_hex_digit(char c)
{
return (c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f');
}
static int hex_digit_to_int(char c)
{
if (c >= 'A' && c <= 'F')
return c - 'A' + 10;
if (c >= 'a' && c <= 'f')
return c - 'a' + 10;
return c - '0';
}
#endif
#define USERNAME_LIMIT 64
bool valid_name(CWEB_String str)
@@ -125,14 +64,14 @@ static int user_exists(CWEB *cweb, CWEB_String name, CWEB_String pass)
return 0;
}
ret = cweb_check_password(pass.ptr, pass.len, hash);
ret = cweb_check_password(pass, hash);
if (ret < 0) {
cweb_free_query_result(&res);
return -500;
return -1;
}
if (ret > 0) {
cweb_free_query_result(&res);
return -400;
return 0;
}
return user_id;
@@ -148,17 +87,22 @@ static void endpoint_api_login(CWEB *cweb, CWEB_Request *req)
CWEB_String name = cweb_get_param_s(req, CWEB_STR("username"));
CWEB_String pass = cweb_get_param_s(req, CWEB_STR("password"));
if (!valid_name(name) || !valid_pass(pass)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid credentials</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid credentials"));
return;
}
int ret = user_exists(cweb, name, pass);
if (ret < 0) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid credentials</div>"));
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
if (ret == 0) {
cweb_respond_basic(req, 400, CWEB_STR("Invalid credentials"));
return;
}
if (cweb_set_user_id(req, ret) < 0) {
// TODO
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
cweb_respond_redirect(req, CWEB_STR("/index"));
@@ -177,29 +121,32 @@ static void endpoint_api_signup(CWEB *cweb, CWEB_Request *req)
CWEB_String pass2 = cweb_get_param_s(req, CWEB_STR("password2"));
if (!valid_name(name) || !valid_email(email) || !valid_pass(pass1)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid credentials</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid credentials"));
return;
}
if (!cweb_streq(pass1, pass2)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">The password was repeated incorrectly</div>"));
cweb_respond_basic(req, 400, CWEB_STR("The password was repeated incorrectly"));
return;
}
CWEB_PasswordHash hash;
int ret = cweb_hash_password(pass1.ptr, pass1.len, 12, &hash);
int ret = cweb_hash_password(pass1, 12, &hash);
if (ret) {
cweb_respond_basic(req, 400, CWEB_STR("<div class=\"error\">Internal error</div>"));
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
int64_t insert_id = cweb_database_insert(cweb, "INSERT INTO Users(username, email, hash) VALUES (?, ?, ?)", name, email, hash);
if (insert_id < 0) {
// TODO: What if the user exists?
cweb_respond_basic(req, 400, CWEB_STR("<div class=\"error\">Internal error</div>"));
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
if (cweb_set_user_id(req, insert_id) < 0) {
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
cweb_set_user_id(req, insert_id);
cweb_respond_redirect(req, CWEB_STR("/index"));
}
@@ -229,19 +176,16 @@ static void endpoint_api_post(CWEB *cweb, CWEB_Request *req)
cweb_respond_basic(req, 400, CWEB_STR("Invalid request"));
return;
}
if (!valid_post_title(title)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid title</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid title"));
return;
}
if (!valid_link(link)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid link</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid link"));
return;
}
if (!valid_post_content(content)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid content</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid content"));
return;
}
@@ -256,19 +200,20 @@ static void endpoint_api_post(CWEB *cweb, CWEB_Request *req)
user_id, title, is_link, content);
if (insert_id < 0) {
cweb_respond_basic(req, 500, CWEB_STR("<div class=\"error\">Internal error</div>"));
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
int post_id = (int) insert_id;
cweb_respond_redirect(req, cweb_format(req, "/post?id={}", post_id));
CWEB_String target = cweb_format(req, "/post?id={}", post_id);
cweb_respond_redirect(req, target);
}
static void endpoint_api_comment(CWEB *cweb, CWEB_Request *req)
{
int user_id = cweb_get_user_id(req);
if (user_id == -1) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">You are not logged in</div>"));
cweb_respond_basic(req, 400, CWEB_STR("You are not logged in"));
return;
}
@@ -278,13 +223,13 @@ static void endpoint_api_comment(CWEB *cweb, CWEB_Request *req)
CWEB_String csrf2 = cweb_get_param_s(req, CWEB_STR("csrf"));
if (!cweb_streq(cweb_get_csrf(req), csrf2)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid request</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid request"));
return;
}
content = cweb_trim(content);
if (!valid_comment_content(content)) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Invalid content</div>"));
cweb_respond_basic(req, 400, CWEB_STR("Invalid content"));
return;
}
@@ -292,18 +237,19 @@ static void endpoint_api_comment(CWEB *cweb, CWEB_Request *req)
if (parent_comment == -1) insert_id = cweb_database_insert(cweb, "INSERT INTO Comments(author, content, parent_post) VALUES (?, ?, ?)", user_id, content, parent_post);
else insert_id = cweb_database_insert(cweb, "INSERT INTO Comments(author, content, parent_post, parent_comment) VALUES (?, ?, ?, ?)", user_id, content, parent_post, parent_comment);
if (insert_id < 0) {
cweb_respond_basic(req, 200, CWEB_STR("<div class=\"error\">Internal error</div>"));
cweb_respond_basic(req, 500, CWEB_STR("Internal error"));
return;
}
cweb_respond_redirect(req, cweb_format(req, "/post?id={}", parent_post));
CWEB_String target = cweb_format(req, "/post?id={}", parent_post);
cweb_respond_redirect(req, target);
}
static void endpoint_index(CWEB *cweb, CWEB_Request *req)
{
(void) cweb;
cweb_respond_template(req, 200, CWEB_STR("pages/index.wl"), -1);
cweb_respond_template(req, 200, CWEB_STR("demo/pages/index.wl"), -1);
}
static void endpoint_write(CWEB *cweb, CWEB_Request *req)
@@ -315,7 +261,7 @@ static void endpoint_write(CWEB *cweb, CWEB_Request *req)
return;
}
cweb_respond_template(req, 200, CWEB_STR("pages/write.wl"), -1);
cweb_respond_template(req, 200, CWEB_STR("demo/pages/write.wl"), -1);
}
static void endpoint_login(CWEB *cweb, CWEB_Request *req)
@@ -327,7 +273,7 @@ static void endpoint_login(CWEB *cweb, CWEB_Request *req)
return;
}
cweb_respond_template(req, 200, CWEB_STR("pages/login.wl"), -1);
cweb_respond_template(req, 200, CWEB_STR("demo/pages/login.wl"), -1);
}
static void endpoint_signup(CWEB *cweb, CWEB_Request *req)
@@ -339,14 +285,14 @@ static void endpoint_signup(CWEB *cweb, CWEB_Request *req)
return;
}
cweb_respond_template(req, 200, CWEB_STR("pages/signup.wl"), -1);
cweb_respond_template(req, 200, CWEB_STR("demo/pages/signup.wl"), -1);
}
static void endpoint_post(CWEB *cweb, CWEB_Request *req)
{
int post_id = cweb_get_param_i(req, CWEB_STR("id"));
if (post_id < 0) {
cweb_respond_template(req, 404, CWEB_STR("pages/notfound.wl"), -1);
cweb_respond_template(req, 404, CWEB_STR("demo/pages/notfound.wl"), -1);
return;
}
@@ -366,18 +312,18 @@ static void endpoint_post(CWEB *cweb, CWEB_Request *req)
}
if (num == 0) {
cweb_respond_template(req, 404, CWEB_STR("pages/notfound.wl"), -1);
cweb_respond_template(req, 404, CWEB_STR("demo/pages/notfound.wl"), -1);
return;
}
cweb_respond_template(req, 200, CWEB_STR("pages/post.wl"), post_id);
cweb_respond_template(req, 200, CWEB_STR("demo/pages/post.wl"), post_id);
}
static void endpoint_fallback(CWEB *cweb, CWEB_Request *req)
{
(void) cweb;
cweb_respond_template(req, 404, CWEB_STR("pages/notfound.wl"), -1);
cweb_respond_template(req, 404, CWEB_STR("demo/pages/notfound.wl"), -1);
}
int main(void)
@@ -394,6 +340,14 @@ int main(void)
return -1;
}
if (cweb_enable_database(cweb, CWEB_STR(":memory:"), CWEB_STR("demo/schema.sql")) < 0) {
cweb_free(cweb);
cweb_global_free();
return -1;
}
cweb_trace_sql(cweb, true);
for (;;) {
CWEB_Request *req = cweb_wait(cweb);
if (0) {}