Implement server (#23)

* Add initial database and server setup

* Set up all routes, auth, etc

* Implement sessions, password auth, hashing with argon2, and history storage

9 files changed, 71 insertions, 0 deletions

diff --git a/migrations/.gitkeep b/migrations/.gitkeep
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/migrations/.gitkeep
diff --git a/migrations/00000000000000_diesel_initial_setup/down.sql b/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 00000000..a9f52609
--- /dev/null
+++ b/migrations/00000000000000_diesel_initial_setup/down.sql
@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();
diff --git a/migrations/00000000000000_diesel_initial_setup/up.sql b/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 00000000..d68895b1
--- /dev/null
+++ b/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,36 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
diff --git a/migrations/2021-03-20-151809_create_history/down.sql b/migrations/2021-03-20-151809_create_history/down.sql
new file mode 100644
index 00000000..ea02ce42
--- /dev/null
+++ b/migrations/2021-03-20-151809_create_history/down.sql
@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+drop table history;
diff --git a/migrations/2021-03-20-151809_create_history/up.sql b/migrations/2021-03-20-151809_create_history/up.sql
new file mode 100644
index 00000000..7cb19fc7
--- /dev/null
+++ b/migrations/2021-03-20-151809_create_history/up.sql
@@ -0,0 +1,11 @@
+-- Your SQL goes here
+-- lower case SQL please, this isn't a shouting match
+create table history (
+	id bigserial primary key,
+	client_id text not null unique, -- the client-generated ID
+	user_id bigserial not null,     -- allow multiple users
+	mac varchar(128) not null,      -- store a hashed mac address, to identify machines - more likely to be unique than hostname
+	timestamp timestamp not null,   -- one of the few non-encrypted metadatas
+
+	data varchar(8192) not null     -- store the actual history data, encrypted. I don't wanna know!
+);
diff --git a/migrations/2021-03-20-171007_create_users/down.sql b/migrations/2021-03-20-171007_create_users/down.sql
new file mode 100644
index 00000000..5795f6b3
--- /dev/null
+++ b/migrations/2021-03-20-171007_create_users/down.sql
@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+drop table users;
diff --git a/migrations/2021-03-20-171007_create_users/up.sql b/migrations/2021-03-20-171007_create_users/up.sql
new file mode 100644
index 00000000..0eecea7c
--- /dev/null
+++ b/migrations/2021-03-20-171007_create_users/up.sql
@@ -0,0 +1,6 @@
+-- Your SQL goes here
+create table users (
+	id bigserial primary key,               -- also store our own ID
+	email varchar(128) not null unique,     -- being able to contact users is useful
+	password varchar(128) not null unique
+);
diff --git a/migrations/2021-03-21-181750_create_sessions/down.sql b/migrations/2021-03-21-181750_create_sessions/down.sql
new file mode 100644
index 00000000..53a779c9
--- /dev/null
+++ b/migrations/2021-03-21-181750_create_sessions/down.sql
@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+drop table sessions;
diff --git a/migrations/2021-03-21-181750_create_sessions/up.sql b/migrations/2021-03-21-181750_create_sessions/up.sql
new file mode 100644
index 00000000..b81705e2
--- /dev/null
+++ b/migrations/2021-03-21-181750_create_sessions/up.sql
@@ -0,0 +1,6 @@
+-- Your SQL goes here
+create table sessions (
+	id bigserial primary key,
+	user_id bigserial,
+	token varchar(128) unique not null
+);