const std = @import("std");
const lmdb = @import("lmdb");
+const db = @import("db");
+const http = @import("http");
// db {{{
-const Prng = struct {
- var prng: std.Random.DefaultPrng = std.Random.DefaultPrng.init(0);
-
- pub fn gen_id(dbi: anytype) Id {
- var id = Prng.prng.next();
-
- while (dbi.has(id)) {
- id = Prng.prng.next();
- }
-
- return id;
+const Db = struct {
+ fn users(txn: lmdb.Txn) !db.Db(UserId, User) {
+ return try db.Db(UserId, User).init(txn, "users");
+ }
+ fn user_ids(txn: lmdb.Txn) !db.Db(Username, UserId) {
+ return try db.Db(Username, UserId).init(txn, "user_ids");
+ }
+ fn sessions(txn: lmdb.Txn) !db.Db(SessionToken, UserId) {
+ return try db.Db(SessionToken, UserId).init(txn, "sessions");
+ }
+ fn posts(txn: lmdb.Txn) !db.Db(PostId, Post) {
+ return try db.Db(PostId, Post).init(txn, "posts");
}
};
// }}}
-// http stuff {{{
-
-pub fn redirect(req: *std.http.Server.Request, location: []const u8) !void {
- try req.respond("", .{ .status = .see_other, .extra_headers = &.{.{ .name = "Location", .value = location }} });
-}
+// content {{{
-pub fn get_body(req: *std.http.Server.Request) []const u8 {
- return req.server.read_buffer[req.head_end .. req.head_end + (req.head.content_length orelse 0)];
-}
+const User = struct {
+ // TODO: choose sizes
+ id: UserId,
+ name: Username,
+ password_hash: PasswordHash,
+ posts: PostList,
+};
-pub fn get_value(req: *std.http.Server.Request, name: []const u8) ?[]const u8 {
- const body = get_body(req);
- if (std.mem.indexOf(u8, body, name)) |name_index| {
- if (std.mem.indexOfScalarPos(u8, body, name_index, '=')) |eql_index| {
- if (std.mem.indexOfScalarPos(u8, body, name_index, '&')) |amp_index| {
- return body[eql_index + 1 .. amp_index];
- }
+const Post = struct {
+ id: PostId,
- return body[eql_index + 1 .. body.len];
- }
- }
- return null;
-}
+ user_id: UserId,
+ time: Timestamp,
-pub fn get_cookie(req: *std.http.Server.Request, name: []const u8) ?CookieValue {
- var header_it = req.iterateHeaders();
- while (header_it.next()) |header| {
- if (std.mem.eql(u8, header.name, "Cookie")) {
- if (std.mem.indexOf(u8, header.value, name)) |name_index| {
- if (std.mem.indexOfScalarPos(u8, header.value, name_index, '=')) |eql_index| {
- if (std.mem.indexOfPos(u8, header.value, name_index, "; ")) |semi_index| {
- return CookieValue.fromSlice(header.value[eql_index + 1 .. semi_index]) catch null;
- }
+ upvotes: u64 = 0,
+ downvotes: u64 = 0,
+ votes: VoteList,
+ comments: PostList,
+ // quote posts
- return CookieValue.fromSlice(header.value[eql_index + 1 .. header.value.len]) catch null;
- }
- }
- }
- }
- return null;
-}
+ text: PostText,
+};
-// }}}
+const Vote = struct {
+ const Kind = enum { Up, Down };
-// content {{{
-
-const User = struct {
- // TODO: choose sizes
- username: Username,
- password_hash: PasswordHash,
+ kind: Kind,
+ time: Timestamp,
};
const Id = u64;
+const Login = struct {
+ user: User,
+ user_id: UserId,
+ session_token: SessionToken,
+};
+const UserId = enum(u64) { _ };
+const PostId = enum(u64) { _ };
+const Timestamp = i64;
const Username = std.BoundedArray(u8, 16);
const PasswordHash = std.BoundedArray(u8, 128);
const SessionToken = u64;
const CookieValue = std.BoundedArray(u8, 128);
+const PostText = std.BoundedArray(u8, 1024);
+const PostList = db.SetList(PostId, void);
+const UserList = db.SetList(UserId, User);
+const VoteList = db.SetList(UserId, Vote);
-pub fn hash_password(password: []const u8) !PasswordHash {
- var hash_buffer = try PasswordHash.init(128);
+const Chirp = struct {
+ pub fn hash_password(password: []const u8) !PasswordHash {
+ var hash_buffer = try PasswordHash.init(128);
- // TODO: choose buffer size
- // TODO: dont allocate on stack, maybe zero memory?
- var buffer: [1024 * 10]u8 = undefined;
- var alloc = std.heap.FixedBufferAllocator.init(&buffer);
+ // TODO: choose buffer size
+ // TODO: dont allocate on stack, maybe zero memory?
+ var buffer: [1024 * 10]u8 = undefined;
+ var alloc = std.heap.FixedBufferAllocator.init(&buffer);
- // TODO: choose limits
- const result = try std.crypto.pwhash.argon2.strHash(password, .{
- .allocator = alloc.allocator(),
- .params = std.crypto.pwhash.argon2.Params.fromLimits(1000, 1024),
- }, hash_buffer.slice());
+ // TODO: choose limits
+ const result = try std.crypto.pwhash.argon2.strHash(password, .{
+ .allocator = alloc.allocator(),
+ .params = std.crypto.pwhash.argon2.Params.fromLimits(1000, 1024),
+ }, hash_buffer.slice());
- try hash_buffer.resize(result.len);
+ try hash_buffer.resize(result.len);
- return hash_buffer;
-}
+ return hash_buffer;
+ }
-pub fn verify_password(password: []const u8, hash: PasswordHash) bool {
- var buffer: [1024 * 10]u8 = undefined;
- var alloc = std.heap.FixedBufferAllocator.init(&buffer);
-
- if (std.crypto.pwhash.argon2.strVerify(hash.constSlice(), password, .{
- .allocator = alloc.allocator(),
- })) {
- return true;
- } else |err| {
- std.debug.print("verify error: {}\n", .{err});
- return false;
+ pub fn verify_password(password: []const u8, hash: PasswordHash) bool {
+ var buffer: [1024 * 10]u8 = undefined;
+ var alloc = std.heap.FixedBufferAllocator.init(&buffer);
+
+ if (std.crypto.pwhash.argon2.strVerify(hash.constSlice(), password, .{
+ .allocator = alloc.allocator(),
+ })) {
+ return true;
+ } else |err| {
+ std.debug.print("verify error: {}\n", .{err});
+ return false;
+ }
}
-}
-pub fn register_user(env: *lmdb.Env, username: []const u8, password: []const u8) !void {
- const username_array = try Username.fromSlice(username);
+ pub fn register_user(env: *lmdb.Env, username: []const u8, password: []const u8) !bool {
+ const username_array = try Username.fromSlice(username);
- const txn = try env.txn();
- defer {
- txn.commit();
- env.sync();
- }
+ const txn = try env.txn();
+ defer txn.commit() catch {};
- const users = try txn.dbi("users", Id, User);
- const user_id = Prng.gen_id(users);
- users.put(user_id, User{
- .username = username_array,
- .password_hash = try hash_password(password),
- });
+ const users = try Db.users(txn);
+ const user_ids = try Db.user_ids(txn);
- const user_ids = try txn.dbi("user_ids", Username, Id);
- user_ids.put(username_array, user_id);
-}
+ if (try user_ids.has(username_array)) {
+ return false;
+ } else {
+ const user_id = try db.Prng.gen(users.dbi, UserId);
+ const posts = try Db.posts(txn);
-pub fn login_user(env: *lmdb.Env, username: []const u8, password: []const u8) !SessionToken {
- const username_array = try Username.fromSlice(username);
+ try users.put(user_id, User{
+ .id = user_id,
+ .name = username_array,
+ .password_hash = try hash_password(password),
+ .posts = try PostList.init(posts.dbi),
+ });
- const txn = try env.txn();
- defer {
- txn.commit();
- env.sync();
+ try user_ids.put(username_array, user_id);
+
+ return true;
+ }
}
- const user_ids = try txn.dbi("user_ids", Username, Id);
- const user_id = user_ids.get(username_array) orelse return error.UnknownUsername;
- std.debug.print("id: {}\n", .{user_id});
+ pub fn login_user(
+ env: *lmdb.Env,
+ username: []const u8,
+ password: []const u8,
+ ) !SessionToken {
+ const username_array = try Username.fromSlice(username);
+
+ const txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const user_ids = try Db.user_ids(txn);
+ const user_id = try user_ids.get(username_array);
+ std.debug.print("user logging in, id: {}\n", .{user_id});
+
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
- const users = try txn.dbi("users", Id, User);
- if (users.get(user_id)) |user| {
if (verify_password(password, user.password_hash)) {
- const sessions = try txn.dbi("sessions", Id, Id);
- const session_token = Prng.gen_id(sessions);
- sessions.put(session_token, user_id);
+ const sessions = try Db.sessions(txn);
+ const session_token = try db.Prng.gen(sessions.dbi, SessionToken);
+ try sessions.put(session_token, user_id);
return session_token;
} else {
return error.IncorrectPassword;
}
- } else {
- return error.UserNotFound;
}
-}
-fn logout_user(env: *lmdb.Env, session_token: SessionToken) !void {
- const txn = try env.txn();
- defer {
- txn.commit();
- env.sync();
+ fn logout_user(env: *lmdb.Env, session_token: SessionToken) !void {
+ const txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const sessions = try Db.sessions(txn);
+ try sessions.del(session_token);
}
- const sessions = try txn.dbi("sessions", Id, Id);
- sessions.del(session_token);
-}
+ fn post(env: *lmdb.Env, user_id: UserId, text: []const u8) !void {
+ var post_id: PostId = undefined;
+
+ // TODO: do this in one commit
+
+ var txn: lmdb.Txn = undefined;
+ {
+ // create post
+ txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const posts = try Db.posts(txn);
+ post_id = try db.Prng.gen(posts.dbi, PostId);
+ const votes = try txn.dbi("votes");
+ try posts.put(post_id, Post{
+ .id = post_id,
+ .user_id = user_id,
+ .time = std.time.timestamp(),
+ .votes = try VoteList.init(votes),
+ .comments = try PostList.init(posts.dbi),
+ .text = try PostText.fromSlice(text),
+ });
+ }
-fn get_session_user(env: *lmdb.Env, session_token: SessionToken) !User {
- const txn = try env.txn();
- defer txn.abort();
+ {
+ // append to user's posts
+ txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const users = try Db.users(txn);
+ var user = try users.get(user_id);
+
+ const posts = try Db.posts(txn);
+ var posts_view = try user.posts.open(posts.dbi);
+ try posts_view.append(post_id, {});
+ }
+ }
+
+ fn vote(env: *lmdb.Env, post_id: PostId, user_id: UserId, kind: Vote.Kind) !void {
+ const txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const posts = try Db.posts(txn);
+ const votes = try txn.dbi("votes");
+
+ var p = try posts.get(post_id);
+ var votes_view = try p.votes.open(votes);
+
+ if (try votes_view.has(user_id)) {
+ const old_vote = try votes_view.get(user_id);
+
+ if (old_vote.kind == kind) {
+ return;
+ } else {
+ try votes_view.del(user_id);
+
+ if (old_vote.kind == .Up) {
+ p.upvotes -= 1;
+ } else {
+ p.downvotes -= 1;
+ }
+ try posts.put(post_id, p);
+ }
+ }
+ try votes_view.append(user_id, Vote{
+ .kind = kind,
+ .time = std.time.timestamp(),
+ });
+
+ if (kind == .Up) {
+ p.upvotes += 1;
+ } else {
+ p.downvotes += 1;
+ }
+ try posts.put(post_id, p);
+ }
+
+ fn unvote(env: *lmdb.Env, post_id: PostId, user_id: UserId) !void {
+ const txn = try env.txn();
+ defer txn.commit() catch {};
+
+ const posts = try Db.posts(txn);
+ const votes = try txn.dbi("votes");
+
+ var p = try posts.get(post_id);
+ var votes_view = try p.votes.open(votes);
+
+ if (try votes_view.has(user_id)) {
+ const v = try votes_view.get(user_id);
+
+ if (v.kind == .Up) {
+ p.upvotes -= 1;
+ } else {
+ p.downvotes -= 1;
+ }
+ try posts.put(post_id, p);
+
+ try votes_view.del(user_id);
+ }
+ }
+
+ fn get_session_user_id(env: *lmdb.Env, session_token: SessionToken) !UserId {
+ const txn = try env.txn();
+ defer txn.abort();
+
+ const sessions = try Db.sessions(txn);
+
+ return try sessions.get(session_token);
+ }
+
+ fn get_user(env: *lmdb.Env, user_id: UserId) !User {
+ const txn = try env.txn();
+ defer txn.abort();
+
+ const users = try Db.users(txn);
+ return try users.get(user_id);
+ }
+};
+
+// }}}
+
+// html {{{
+fn html_form(res: *http.Response, comptime fmt_action: []const u8, args_action: anytype, inputs: anytype) !void {
+ try res.write("<form style=\"display: inline-block!important;\" action=\"", .{});
+ try res.write(fmt_action, args_action);
+ try res.write("\" method=\"post\">", .{});
+
+ inline for (inputs) |input| {
+ switch (@typeInfo(@TypeOf(input))) {
+ .Struct => {
+ try res.write("<input ", .{});
+ try res.write(input[0], input[1]);
+ try res.write(" />", .{});
+ },
+ else => {
+ try res.write("<input ", .{});
+ try res.write(input, .{});
+ try res.write(" />", .{});
+ },
+ }
+ }
- const sessions = try txn.dbi("sessions", Id, Id);
- const users = try txn.dbi("users", Id, User);
+ try res.write("</form>", .{});
+}
+// }}}
- if (sessions.get(session_token)) |user_id| {
- return users.get(user_id) orelse error.UnknownUser;
+// write {{{
+fn write_header(res: *http.Response, logged_in: ?Login) !void {
+ if (logged_in) |login| {
+ try res.write(
+ \\<a href="/user/{s}">Home</a><br />
+ , .{login.user.name.constSlice()});
+ try html_form(res, "/logout", .{}, .{
+ \\type="submit" value="Logout"
+ });
+ try html_form(res, "/quit", .{}, .{
+ \\type="submit" value="Quit"
+ });
+ try res.write("<br />", .{});
+ try html_form(res, "/post", .{}, .{
+ \\type="text" name="text"
+ ,
+ \\type="submit" value="Post"
+ });
} else {
- return error.SessionNotFound;
+ try res.write(
+ \\<a href="/">Home</a><br />
+ \\<a href="/register">Register</a>
+ \\<a href="/login">Login</a><br />
+ , .{});
+ try html_form(res, "/quit", .{}, .{
+ \\type="submit" value="Quit"
+ });
}
}
+fn write_posts(res: *http.Response, txn: lmdb.Txn, user: User, login: ?Login) !void {
+ const votes_dbi = try txn.dbi("votes");
+ const posts = try Db.posts(txn);
+ const posts_view = try user.posts.open(posts.dbi);
-// }}}
+ var it = posts_view.iterator();
+ while (it.next()) |kv| {
+ const post_id = kv.key;
+ const post = try posts.get(post_id);
-fn list_users(env: *lmdb.Env) !void {
- const txn = try env.txn();
- defer txn.abort();
+ try res.write(
+ \\<div>
+ \\<p>{s}</p>
+ , .{post.text.constSlice()});
- const users = try txn.dbi("users", Id, User);
- var cursor = try users.cursor();
+ const votes_view = try post.votes.open(votes_dbi);
+ const comments_view = try post.comments.open(posts.dbi);
- var key: Id = undefined;
- var user_maybe = cursor.get(&key, .First);
+ var has_voted: ?Vote.Kind = null;
- while (user_maybe) |user| {
- std.debug.print("[{}] {s}\n", .{ key, user.username.constSlice() });
+ if (login != null and try votes_view.has(login.?.user_id)) {
+ const vote = try votes_view.get(login.?.user_id);
- user_maybe = cursor.get(&key, .Next);
+ has_voted = vote.kind;
+ }
+
+ if (has_voted != null and has_voted.? == .Up) {
+ try html_form(res, "/unupvote/{}", .{@intFromEnum(post_id)}, .{
+ .{ "type=\"submit\" value=\"⬆ {}\"", .{post.upvotes} },
+ });
+ } else {
+ try html_form(res, "/upvote/{}", .{@intFromEnum(post_id)}, .{
+ .{ "type=\"submit\" value=\"⬆ {}\"", .{post.upvotes} },
+ });
+ }
+ if (has_voted != null and has_voted.? == .Down) {
+ try html_form(res, "/undownvote/{}", .{@intFromEnum(post_id)}, .{
+ .{ "type=\"submit\" value=\"⬇ {}\"", .{post.downvotes} },
+ });
+ } else {
+ try html_form(res, "/downvote/{}", .{@intFromEnum(post_id)}, .{
+ .{ "type=\"submit\" value=\"⬇ {}\"", .{post.downvotes} },
+ });
+ }
+ try res.write(
+ \\<span>💭 {}</span>
+ \\</div>
+ , .{comments_view.len()});
}
}
-fn list_user_ids(env: *lmdb.Env) !void {
+// }}}
+
+fn list_users(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const user_ids = try txn.dbi("user_ids", Username, Id);
- var cursor = try user_ids.cursor();
+ const users = try Db.users(txn);
+ var it = try users.iterator();
- var key: Username = undefined;
- var user_id_maybe = cursor.get(&key, .First);
+ while (it.next()) |kv| {
+ const key = kv.key;
+ const user = kv.val;
+ std.debug.print("[{}] {s}\n", .{ key, user.name.constSlice() });
+ }
+}
+fn list_user_ids(env: lmdb.Env) !void {
+ const txn = try env.txn();
+ defer txn.abort();
- while (user_id_maybe) |user_id| {
- std.debug.print("[{s}] {}\n", .{ key.constSlice(), user_id });
+ const user_ids = try Db.user_ids(txn);
+ var it = try user_ids.iterator();
- user_id_maybe = cursor.get(&key, .Next);
+ while (it.next()) |kv| {
+ const key = kv.key;
+ const user_id = kv.val;
+ std.debug.print("[{s}] {}\n", .{ key.constSlice(), user_id });
}
}
-fn list_sessions(env: *lmdb.Env) !void {
+fn list_sessions(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const sessions = try txn.dbi("sessions", SessionToken, Id);
- var cursor = try sessions.cursor();
+ const sessions = try Db.sessions(txn);
+ var it = try sessions.iterator();
+
+ while (it.next()) |kv| {
+ const key = kv.key;
+ const user_id = kv.val;
+ std.debug.print("[{x}] {}\n", .{ key, user_id });
+ }
+}
- var key: SessionToken = undefined;
- var user_id_maybe = cursor.get(&key, .First);
+fn list_posts(env: lmdb.Env) !void {
+ const txn = try env.txn();
+ defer txn.abort();
- while (user_id_maybe) |user_id| {
- std.debug.print("[{}] {}\n", .{ key, user_id });
+ const posts = try Db.posts(txn);
+ var it = try posts.iterator();
- user_id_maybe = cursor.get(&key, .Next);
+ while (it.next()) |kv| {
+ const key = kv.key;
+ const post = kv.val;
+ std.debug.print("[{}] {s}\n", .{ key, post.text.constSlice() });
}
}
+const ReqBufferSize = 4096;
+const ResHeadBufferSize = 1024 * 16;
+const ResBodyBufferSize = 1024 * 16;
+
pub fn main() !void {
// server
- const address = try std.net.Address.resolveIp("::", 8080);
-
- var server = try address.listen(.{
- .reuse_address = true,
- });
+ var server = try http.Server.init("::", 8080);
defer server.deinit();
// lmdb
- var env = lmdb.Env.open("db", 1024 * 100);
+ var env = try lmdb.Env.open("db", 1024 * 1024 * 10);
defer env.close();
- std.debug.print("Users:\n", .{});
- try list_users(&env);
- std.debug.print("User IDs:\n", .{});
- try list_user_ids(&env);
- std.debug.print("Sessions:\n", .{});
- try list_sessions(&env);
+ // std.debug.print("Users:\n", .{});
+ // try list_users(env);
+ // std.debug.print("User IDs:\n", .{});
+ // try list_user_ids(env);
+ // std.debug.print("Sessions:\n", .{});
+ // try list_sessions(env);
+ // std.debug.print("Posts:\n", .{});
+ // try list_posts(env);
+
+ try handle_connection(&server, &env);
+ // const ThreadCount = 1;
+ // var ts: [ThreadCount]std.Thread = undefined;
+
+ // for (0..ThreadCount) |i| {
+ // ts[i] = try std.Thread.spawn(.{}, handle_connection, .{ &server, &env });
+ // }
+ // for (0..ThreadCount) |i| {
+ // ts[i].join();
+ // }
+
+ std.debug.print("done\n", .{});
+}
+
+fn handle_connection(server: *http.Server, env: *lmdb.Env) !void {
+ // TODO: static?
+ var req_buffer: [ReqBufferSize]u8 = undefined;
+ var res_head_buffer: [ResHeadBufferSize]u8 = undefined;
+ var res_body_buffer: [ResBodyBufferSize]u8 = undefined;
accept: while (true) {
- const conn = try server.accept();
-
- std.debug.print("new connection: {}\n", .{conn});
+ server.wait();
- var read_buffer: [1024]u8 = undefined;
- var http_server = std.http.Server.init(conn, &read_buffer);
+ while (try server.next_request(&req_buffer)) |req| {
+ // std.debug.print("[{}]: {s}\n", .{ req.method, req.target });
- while (http_server.state == .ready) {
- var req = http_server.receiveHead() catch continue;
+ // reponse
+ var res = http.Response.init(req.fd, &res_head_buffer, &res_body_buffer);
- std.debug.print("[{}]: {s}\n", .{ req.head.method, req.head.target });
+ // check session token
+ var logged_in: ?Login = null;
- var logged_in: ?struct {
- user: User,
- session_token: SessionToken,
- } = null;
+ if (req.get_cookie("session_token")) |session_token_str| {
+ const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str, 16);
+ // const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str, 10);
+ // const session_token = std.mem.bytesToValue(SessionToken, session_token_str);
+ if (Chirp.get_session_user_id(env, session_token)) |user_id| {
+ const txn = try env.txn();
+ defer txn.abort();
+ const users = try Db.users(txn);
- if (get_cookie(&req, "session_token")) |session_token_str| {
- const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str.constSlice(), 10);
- if (get_session_user(&env, session_token)) |user| {
logged_in = .{
- .user = user,
+ .user = try users.get(user_id),
+ .user_id = user_id,
.session_token = session_token,
};
} else |err| {
std.debug.print("get_session_user err: {}\n", .{err});
+
+ try res.add_header(
+ "Set-Cookie",
+ .{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"},
+ );
}
- // TODO: delete session token
- // TODO: add changeable headers (set, delete cookies)
}
// html
- if (req.head.method == .GET) {
- if (std.mem.eql(u8, req.head.target, "/register")) {
- try req.respond(
+ if (req.method == .GET) {
+ try write_header(&res, logged_in);
+
+ if (std.mem.eql(u8, req.target, "/register")) {
+ try res.write(
\\<form action="/register" method="post">
\\<input type="text" name="username" />
\\<input type="password" name="password" />
\\<input type="submit" value="Register" />
\\</form>
, .{});
- } else if (std.mem.eql(u8, req.head.target, "/login")) {
- try req.respond(
+ try res.send();
+ } else if (std.mem.eql(u8, req.target, "/login")) {
+ try res.write(
\\<form action="/login" method="post">
\\<input type="text" name="username" />
\\<input type="password" name="password" />
\\<input type="submit" value="Login" />
\\</form>
, .{});
+ try res.send();
+ } else if (std.mem.startsWith(u8, req.target, "/user/")) {
+ const username = req.target[6..req.target.len];
+
+ const txn = try env.txn();
+ defer txn.abort();
+
+ const user_ids = try Db.user_ids(txn);
+ if (user_ids.get(try Username.fromSlice(username))) |user_id| {
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
+ try write_posts(&res, txn, user, logged_in);
+ } else |err| {
+ try res.write(
+ \\<p>User not found [{}]</p>
+ , .{err});
+ }
+ try res.send();
} else {
if (logged_in) |login| {
- var response_buffer = try std.BoundedArray(u8, 1024).init(0);
- try std.fmt.format(response_buffer.writer(),
- \\<a href="/user/{s}">Home</a>
- \\<form action="/logout" method="post"><input type="submit" value="Logout" /></form>
- \\<form action="/quit" method="post"><input type="submit" value="Quit" /></form>
- , .{login.user.username.constSlice()});
- try req.respond(response_buffer.constSlice(), .{});
+ const user = try Chirp.get_user(env, login.user_id);
+
+ const txn = try env.txn();
+ defer txn.abort();
+
+ try write_posts(&res, txn, user, logged_in);
+
+ try res.send();
} else {
- try req.respond(
- \\<a href="/register">Register</a>
- \\<a href="/login">Login</a>
- \\<form action="/quit" method="post"><input type="submit" value="Quit" /></form>
- , .{});
+ try res.write("[GET] {s}", .{req.target});
+ try res.send();
}
}
}
// api
else {
- if (std.mem.eql(u8, req.head.target, "/register")) {
+ if (std.mem.eql(u8, req.target, "/register")) {
// TODO: handle args not supplied
- const username = get_value(&req, "username").?;
- const password = get_value(&req, "password").?;
+ const username = req.get_value("username").?;
+ const password = req.get_value("password").?;
std.debug.print("New user: {s} {s}\n", .{ username, password });
- try register_user(&env, username, password);
-
- try redirect(&req, "/login");
- } else if (std.mem.eql(u8, req.head.target, "/login")) {
+ if (try Chirp.register_user(env, username, password)) {
+ try res.redirect("/login");
+ } else {
+ try res.redirect("/register");
+ }
+ try res.send();
+ } else if (std.mem.eql(u8, req.target, "/login")) {
// TODO: handle args not supplied
- const username = get_value(&req, "username").?;
- const password = get_value(&req, "password").?;
+ const username = req.get_value("username").?;
+ const password = req.get_value("password").?;
std.debug.print("New login: {s} {s}\n", .{ username, password });
- if (login_user(&env, username, password)) |session_token| {
- var redirect_buffer = try std.BoundedArray(u8, 128).init(0);
- try std.fmt.format(redirect_buffer.writer(), "/user/{s}", .{username});
-
- var cookie_buffer = try std.BoundedArray(u8, 128).init(0);
- try std.fmt.format(cookie_buffer.writer(), "session_token={}; Secure; HttpOnly", .{session_token});
-
- try req.respond("", .{
- .status = .see_other,
- .extra_headers = &.{
- .{ .name = "Location", .value = redirect_buffer.constSlice() },
- .{ .name = "Set-Cookie", .value = cookie_buffer.constSlice() },
- },
- });
+ if (Chirp.login_user(env, username, password)) |session_token| {
+ res.status = .see_other;
+ try res.add_header(
+ "Location",
+ .{ "/user/{s}", .{username} },
+ );
+ try res.add_header(
+ "Set-Cookie",
+ .{ "session_token={x}; Secure; HttpOnly", .{session_token} },
+ );
+
+ try res.send();
} else |err| {
std.debug.print("login_user err: {}\n", .{err});
- try redirect(&req, "/login");
+ try res.redirect("/login");
+ try res.send();
}
- } else if (std.mem.eql(u8, req.head.target, "/logout")) {
+ } else if (std.mem.eql(u8, req.target, "/logout")) {
if (logged_in) |login| {
- try logout_user(&env, login.session_token);
- try req.respond("", .{
- .status = .see_other,
- .extra_headers = &.{
- .{ .name = "Location", .value = "/" },
- .{ .name = "Set-Cookie", .value = "session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT" },
- },
- });
+ try Chirp.logout_user(env, login.session_token);
+
+ try res.add_header(
+ "Set-Cookie",
+ .{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"},
+ );
+
+ try res.redirect("/");
+ try res.send();
}
- } else if (std.mem.eql(u8, req.head.target, "/quit")) {
- try redirect(&req, "/");
+ } else if (std.mem.eql(u8, req.target, "/post")) {
+ if (logged_in) |login| {
+ const text = req.get_value("text").?;
+ try Chirp.post(env, login.user_id, text);
+
+ try res.redirect("/");
+ try res.send();
+ }
+ } else if (std.mem.eql(u8, req.target, "/quit")) {
+ try res.redirect("/");
+ try res.send();
break :accept;
+ } else if (std.mem.startsWith(u8, req.target, "/upvote/")) {
+ const login = logged_in orelse return error.NotLoggedIn;
+
+ const post_id_str = req.target[8..req.target.len];
+ const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+
+ try Chirp.vote(env, post_id, login.user_id, .Up);
+
+ if (req.get_header("Referer")) |ref| {
+ try res.redirect(ref);
+ }
+ try res.send();
+ } else if (std.mem.startsWith(u8, req.target, "/downvote/")) {
+ const login = logged_in orelse return error.NotLoggedIn;
+
+ const post_id_str = req.target[10..req.target.len];
+ const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+
+ try Chirp.vote(env, post_id, login.user_id, .Down);
+
+ if (req.get_header("Referer")) |ref| {
+ try res.redirect(ref);
+ }
+ try res.send();
+ } else if (std.mem.startsWith(u8, req.target, "/unupvote/")) {
+ // TODO: maybe move to one /unvote?
+ const login = logged_in orelse return error.NotLoggedIn;
+
+ const post_id_str = req.target[10..req.target.len];
+ const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+
+ try Chirp.unvote(env, post_id, login.user_id);
+
+ if (req.get_header("Referer")) |ref| {
+ try res.redirect(ref);
+ }
+ try res.send();
+ } else if (std.mem.startsWith(u8, req.target, "/undownvote/")) {
+ const login = logged_in orelse return error.NotLoggedIn;
+
+ const post_id_str = req.target[12..req.target.len];
+ const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+
+ try Chirp.unvote(env, post_id, login.user_id);
+
+ if (req.get_header("Referer")) |ref| {
+ try res.redirect(ref);
+ }
+ try res.send();
} else {
- try req.respond(
- \\<p>POST</p>
- , .{});
+ // try req.respond(
+ // \\<p>POST</p>
+ // , .{});
+ try res.write("<p>[POST] {s}</p>", .{req.target});
+ try res.send();
}
}
}
projects / chirp / blobdiff