DEVELOPMENT ENVIRONMENT

~liljamo/deck-builder

b28fe28f5c9f760fa4810f15afb9c8443e9d25ef — Jonni Liljamo 1 year, 10 months ago 6cb428f
Basic API with register and login (#1)

Reviewed-on: https://src.quest/skye/deck-builder/pulls/1
A sdbapi/Dockerfile => sdbapi/Dockerfile +18 -0
@@ 0,0 1,18 @@
FROM golang:1.19-alpine

WORKDIR /app

COPY ./auth /app/auth
COPY ./db /app/db
COPY ./handlers /app/handlers
COPY ./middlewares /app/middlewares
COPY ./models /app/models
COPY ./errors /app/errors
COPY ./main.go /app/main.go
COPY ./go.* /app

RUN GOOS=linux go build -o /app/api main.go

EXPOSE 3000

CMD [ "/app/api" ]

A sdbapi/LICENSE => sdbapi/LICENSE +8 -0
@@ 0,0 1,8 @@
sdbapi is an API for a deck building game.
Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program.  If not, see <http://www.gnu.org/licenses/>.

A sdbapi/README.md => sdbapi/README.md +4 -0
@@ 0,0 1,4 @@
# Deck Builder API

## Deployment
Configure `SDBAPI_JWT_SECRET` in `docker-compose.yaml` to be randomized.

A sdbapi/auth/auth.go => sdbapi/auth/auth.go +65 -0
@@ 0,0 1,65 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package auth

import (
	"errors"
	"os"
	"time"

	"github.com/golang-jwt/jwt/v4"
)

var JWTSecret = []byte(os.Getenv("SDBAPI_JWT_SECRET"))

type JWTClaims struct {
	Username string `json:"username"`
	Email    string `json:"email"`
	jwt.RegisteredClaims
}

func NewJWTToken(username string, email string) (token string, err error) {
	claims := JWTClaims{
		Username: username,
		Email:    email,
		RegisteredClaims: jwt.RegisteredClaims{
			ExpiresAt: jwt.NewNumericDate(time.Now().Add(1 * time.Hour)),
		},
	}
	jwtClaims := jwt.NewWithClaims(jwt.SigningMethodHS512, claims)
	token, err = jwtClaims.SignedString(JWTSecret)
	return
}

func ValidateJWTToken(userToken string) (err error) {
	token, err := jwt.ParseWithClaims(
		userToken,
		&JWTClaims{},
		func(token *jwt.Token) (interface{}, error) {
			return []byte(JWTSecret), nil
		},
	)

	if err != nil {
		return
	}

	claims, ok := token.Claims.(*JWTClaims)
	if !ok {
		err = errors.New("could not parse JWT claims")
		return
	}

	if claims.ExpiresAt.Unix() < time.Now().Local().Unix() {
		err = errors.New("token is expired")
		return
	}

	return
}

A sdbapi/db/db.go => sdbapi/db/db.go +34 -0
@@ 0,0 1,34 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package db

import (
	"api/models"
	"log"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

var DbConn *gorm.DB
var DbError error

func Connect(connString string) error {
	DbConn, DbError = gorm.Open(postgres.Open(connString), &gorm.Config{})
	if DbError != nil {
		return DbError
	}
	log.Println("database connection established")
	return nil
}

func Migrate() {
	log.Println("running migrations")
	DbConn.AutoMigrate(&models.User{})
}

A sdbapi/dev-launch.sh => sdbapi/dev-launch.sh +23 -0
@@ 0,0 1,23 @@
#!/bin/bash

function confirm() {
  echo -n "$@ [y/N]: "
    read -e answer
    for response in y Y
    do
        if [ "_$answer" == "_$response" ]
        then
            return 0
        fi
    done

    # default to no
    return 1
}

confirm reset containers? && sudo docker compose down
confirm reset database? && sudo docker volume rm sdbapi_apidb_data

confirm rebuild api? && sudo docker compose build

confirm launch? && sudo docker compose up

A sdbapi/docker-compose.yaml => sdbapi/docker-compose.yaml +41 -0
@@ 0,0 1,41 @@
version: "3.8"

name: sdbapi

networks:
  internal:
    external: false

volumes:
  apidb_data:
    driver: local

services:
  sdbapidb:
    image: postgres:15.1-alpine
    container_name: sdbapidb
    restart: always
    networks:
      - internal
    volumes:
      - apidb_data:/var/lib/postgresql/data
    environment:
      POSTGRES_USER: sdbapi
      POSTGRES_PASSWORD: sdbapi
      POSTGRES_DB: sdbapi

  sdbapi:
    build: .
    image: sdbapi
    container_name: sdbapi
    restart: always
    networks:
      - internal
    ports:
      - "8080:3000"
    environment:
      GIN_MODE: "release" # or "debug" for debug logs
      SDBAPI_JWT_SECRET: "XpNYdG7vgvgPPuezrtZqt4CJIUuxNP7c"
      GORM_DB_STRING: "host=sdbapidb user=sdbapi password=sdbapi dbname=sdbapi port=5432 sslmode=disable"
    depends_on:
      - sdbapidb

A sdbapi/errors/errors.go => sdbapi/errors/errors.go +23 -0
@@ 0,0 1,23 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package errors

const (
	Placeholder        string = "placeholder"
	InvalidInput       string = "invalid input"
	UserNotFound       string = "user not found"
	InvalidCred        string = "invalid credentials"
	NewJWTError        string = "jwt creation error"
	UsernameTooShort   string = "username should not be shorter than 3 characters"
	EmailInvalid       string = "invalid email address"
	PasswordTooShort   string = "password should not be shorter than 8 characters"
	PasswordHashFailed string = "password hash failed"
	UserCreationFailed string = "user creation failed"
	NotAuthorized      string = "not authorized"
)

A sdbapi/go.mod => sdbapi/go.mod +41 -0
@@ 0,0 1,41 @@
module api

go 1.19

require (
	github.com/gin-gonic/gin v1.8.1
	github.com/golang-jwt/jwt/v4 v4.4.2
	golang.org/x/crypto v0.3.0
	gorm.io/driver/postgres v1.4.5
	gorm.io/gorm v1.24.1
)

require (
	github.com/gin-contrib/sse v0.1.0 // indirect
	github.com/go-playground/locales v0.14.0 // indirect
	github.com/go-playground/universal-translator v0.18.0 // indirect
	github.com/go-playground/validator/v10 v10.11.1 // indirect
	github.com/goccy/go-json v0.9.11 // indirect
	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
	github.com/jackc/pgconn v1.13.0 // indirect
	github.com/jackc/pgio v1.0.0 // indirect
	github.com/jackc/pgpassfile v1.0.0 // indirect
	github.com/jackc/pgproto3/v2 v2.3.1 // indirect
	github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b // indirect
	github.com/jackc/pgtype v1.12.0 // indirect
	github.com/jackc/pgx/v4 v4.17.2 // indirect
	github.com/jinzhu/inflection v1.0.0 // indirect
	github.com/jinzhu/now v1.1.5 // indirect
	github.com/json-iterator/go v1.1.12 // indirect
	github.com/leodido/go-urn v1.2.1 // indirect
	github.com/mattn/go-isatty v0.0.16 // indirect
	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
	github.com/modern-go/reflect2 v1.0.2 // indirect
	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
	github.com/ugorji/go/codec v1.2.7 // indirect
	golang.org/x/net v0.2.0 // indirect
	golang.org/x/sys v0.2.0 // indirect
	golang.org/x/text v0.4.0 // indirect
	google.golang.org/protobuf v1.28.1 // indirect
	gopkg.in/yaml.v2 v2.4.0 // indirect
)

A sdbapi/go.sum => sdbapi/go.sum +262 -0
@@ 0,0 1,262 @@
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
github.com/gin-gonic/gin v1.8.1 h1:4+fr/el88TOO3ewCmQr8cx/CtZ/umlIRIs5M4NTNjf8=
github.com/gin-gonic/gin v1.8.1/go.mod h1:ji8BvRH1azfM+SYow9zQ6SZMvR8qOMZHmsCuWR9tTTk=
github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
github.com/go-playground/locales v0.14.0 h1:u50s323jtVGugKlcYeyzC0etD1HifMjqmJqb8WugfUU=
github.com/go-playground/locales v0.14.0/go.mod h1:sawfccIbzZTqEDETgFXqTho0QybSa7l++s0DH+LDiLs=
github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/jYrnRPArHwAcmLoJZxyho=
github.com/go-playground/universal-translator v0.18.0/go.mod h1:UvRDBj+xPUEGrFYl+lu/H90nyDXpg0fqeB/AQUGNTVA=
github.com/go-playground/validator/v10 v10.11.1 h1:prmOlTVv+YjZjmRmNSF3VmspqJIxJWXmqUsHwfTRRkQ=
github.com/go-playground/validator/v10 v10.11.1/go.mod h1:i+3WkQ1FvaUjjxh1kSvIA4dMGDBiPU55YFDl0WbKdWU=
github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
github.com/goccy/go-json v0.9.11 h1:/pAaQDLHEoCq/5FFmSKBswWmK6H0e8g4159Kc/X/nqk=
github.com/goccy/go-json v0.9.11/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/gofrs/uuid v4.0.0+incompatible h1:1SD/1F5pU8p29ybwgQSwpQk+mwdRrXCYuPhW6m+TnJw=
github.com/gofrs/uuid v4.0.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
github.com/golang-jwt/jwt/v4 v4.4.2 h1:rcc4lwaZgFMCZ5jxF9ABolDcIHdBytAFgqFPbSJQAYs=
github.com/golang-jwt/jwt/v4 v4.4.2/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
github.com/jackc/chunkreader v1.0.0/go.mod h1:RT6O25fNZIuasFJRyZ4R/Y2BbhasbmZXF9QQ7T3kePo=
github.com/jackc/chunkreader/v2 v2.0.0/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
github.com/jackc/chunkreader/v2 v2.0.1 h1:i+RDz65UE+mmpjTfyz0MoVTnzeYxroil2G82ki7MGG8=
github.com/jackc/chunkreader/v2 v2.0.1/go.mod h1:odVSm741yZoC3dpHEUXIqA9tQRhFrgOHwnPIn9lDKlk=
github.com/jackc/pgconn v0.0.0-20190420214824-7e0022ef6ba3/go.mod h1:jkELnwuX+w9qN5YIfX0fl88Ehu4XC3keFuOJJk9pcnA=
github.com/jackc/pgconn v0.0.0-20190824142844-760dd75542eb/go.mod h1:lLjNuW/+OfW9/pnVKPazfWOgNfH2aPem8YQ7ilXGvJE=
github.com/jackc/pgconn v0.0.0-20190831204454-2fabfa3c18b7/go.mod h1:ZJKsE/KZfsUgOEh9hBm+xYTstcNHg7UPMVJqRfQxq4s=
github.com/jackc/pgconn v1.8.0/go.mod h1:1C2Pb36bGIP9QHGBYCjnyhqu7Rv3sGshaQUvmfGIB/o=
github.com/jackc/pgconn v1.9.0/go.mod h1:YctiPyvzfU11JFxoXokUOOKQXQmDMoJL9vJzHH8/2JY=
github.com/jackc/pgconn v1.9.1-0.20210724152538-d89c8390a530/go.mod h1:4z2w8XhRbP1hYxkpTuBjTS3ne3J48K83+u0zoyvg2pI=
github.com/jackc/pgconn v1.13.0 h1:3L1XMNV2Zvca/8BYhzcRFS70Lr0WlDg16Di6SFGAbys=
github.com/jackc/pgconn v1.13.0/go.mod h1:AnowpAqO4CMIIJNZl2VJp+KrkAZciAkhEl0W0JIobpI=
github.com/jackc/pgio v1.0.0 h1:g12B9UwVnzGhueNavwioyEEpAmqMe1E/BN9ES+8ovkE=
github.com/jackc/pgio v1.0.0/go.mod h1:oP+2QK2wFfUWgr+gxjoBH9KGBb31Eio69xUb0w5bYf8=
github.com/jackc/pgmock v0.0.0-20190831213851-13a1b77aafa2/go.mod h1:fGZlG77KXmcq05nJLRkk0+p82V8B8Dw8KN2/V9c/OAE=
github.com/jackc/pgmock v0.0.0-20201204152224-4fe30f7445fd/go.mod h1:hrBW0Enj2AZTNpt/7Y5rr2xe/9Mn757Wtb2xeBzPv2c=
github.com/jackc/pgmock v0.0.0-20210724152146-4ad1a8207f65 h1:DadwsjnMwFjfWc9y5Wi/+Zz7xoE5ALHsRQlOctkOiHc=
github.com/jackc/pgmock v0.0.0-20210724152146-4ad1a8207f65/go.mod h1:5R2h2EEX+qri8jOWMbJCtaPWkrrNc7OHwsp2TCqp7ak=
github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
github.com/jackc/pgproto3 v1.1.0/go.mod h1:eR5FA3leWg7p9aeAqi37XOTgTIbkABlvcPB3E5rlc78=
github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190420180111-c116219b62db/go.mod h1:bhq50y+xrl9n5mRYyCBFKkpRVTLYJVWeCc+mEAI3yXA=
github.com/jackc/pgproto3/v2 v2.0.0-alpha1.0.20190609003834-432c2951c711/go.mod h1:uH0AWtUmuShn0bcesswc4aBTWGvw0cAxIJp+6OB//Wg=
github.com/jackc/pgproto3/v2 v2.0.0-rc3/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM=
github.com/jackc/pgproto3/v2 v2.0.0-rc3.0.20190831210041-4c03ce451f29/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvWKnT95C46ckYeM=
github.com/jackc/pgproto3/v2 v2.0.6/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.1.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgproto3/v2 v2.3.1 h1:nwj7qwf0S+Q7ISFfBndqeLwSwxs+4DPsbRFjECT1Y4Y=
github.com/jackc/pgproto3/v2 v2.3.1/go.mod h1:WfJCnwN3HIg9Ish/j3sgWXnAfK8A9Y0bwXYU5xKaEdA=
github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b h1:C8S2+VttkHFdOOCXJe+YGfa4vHYwlt4Zx+IVXQ97jYg=
github.com/jackc/pgservicefile v0.0.0-20200714003250-2b9c44734f2b/go.mod h1:vsD4gTJCa9TptPL8sPkXrLZ+hDuNrZCnj29CQpr4X1E=
github.com/jackc/pgtype v0.0.0-20190421001408-4ed0de4755e0/go.mod h1:hdSHsc1V01CGwFsrv11mJRHWJ6aifDLfdV3aVjFF0zg=
github.com/jackc/pgtype v0.0.0-20190824184912-ab885b375b90/go.mod h1:KcahbBH1nCMSo2DXpzsoWOAfFkdEtEJpPbVLq8eE+mc=
github.com/jackc/pgtype v0.0.0-20190828014616-a8802b16cc59/go.mod h1:MWlu30kVJrUS8lot6TQqcg7mtthZ9T0EoIBFiJcmcyw=
github.com/jackc/pgtype v1.8.1-0.20210724151600-32e20a603178/go.mod h1:C516IlIV9NKqfsMCXTdChteoXmwgUceqaLfjg2e3NlM=
github.com/jackc/pgtype v1.12.0 h1:Dlq8Qvcch7kiehm8wPGIW0W3KsCCHJnRacKW0UM8n5w=
github.com/jackc/pgtype v1.12.0/go.mod h1:LUMuVrfsFfdKGLw+AFFVv6KtHOFMwRgDDzBt76IqCA4=
github.com/jackc/pgx/v4 v4.0.0-20190420224344-cc3461e65d96/go.mod h1:mdxmSJJuR08CZQyj1PVQBHy9XOp5p8/SHH6a0psbY9Y=
github.com/jackc/pgx/v4 v4.0.0-20190421002000-1b8f0016e912/go.mod h1:no/Y67Jkk/9WuGR0JG/JseM9irFbnEPbuWV2EELPNuM=
github.com/jackc/pgx/v4 v4.0.0-pre1.0.20190824185557-6972a5742186/go.mod h1:X+GQnOEnf1dqHGpw7JmHqHc1NxDoalibchSk9/RWuDc=
github.com/jackc/pgx/v4 v4.12.1-0.20210724153913-640aa07df17c/go.mod h1:1QD0+tgSXP7iUjYm9C1NxKhny7lq6ee99u/z+IHFcgs=
github.com/jackc/pgx/v4 v4.17.2 h1:0Ut0rpeKwvIVbMQ1KbMBU4h6wxehBI535LK6Flheh8E=
github.com/jackc/pgx/v4 v4.17.2/go.mod h1:lcxIZN44yMIrWI78a5CpucdD14hX0SBDbNRvjDBItsw=
github.com/jackc/puddle v0.0.0-20190413234325-e4ced69a3a2b/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0 h1:BrVqGRd7+k1DiOgtnFvAkoQEWQvBc25ouMJM6429SFg=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gorm.io/driver/postgres v1.4.5 h1:mTeXTTtHAgnS9PgmhN2YeUbazYpLhUI1doLnw42XUZc=
gorm.io/driver/postgres v1.4.5/go.mod h1:GKNQYSJ14qvWkvPwXljMGehpKrhlDNsqYRr5HnYGncg=
gorm.io/gorm v1.24.1-0.20221019064659-5dd2bb482755/go.mod h1:DVrVomtaYTbqs7gB/x2uVvqnXzv0nqjB396B8cG4dBA=
gorm.io/gorm v1.24.1 h1:CgvzRniUdG67hBAzsxDGOAuq4Te1osVMYsa1eQbd4fs=
gorm.io/gorm v1.24.1/go.mod h1:DVrVomtaYTbqs7gB/x2uVvqnXzv0nqjB396B8cG4dBA=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=

A sdbapi/handlers/misc.go => sdbapi/handlers/misc.go +20 -0
@@ 0,0 1,20 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"net/http"

	"github.com/gin-gonic/gin"
)

// return info about the API
func Info(ctx *gin.Context) {
	ctx.JSON(http.StatusOK, gin.H{"info": "Deck Builder API"})
}

A sdbapi/handlers/usercreate.go => sdbapi/handlers/usercreate.go +65 -0
@@ 0,0 1,65 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"api/db"
	"api/errors"
	"api/models"
	"net/http"
	"net/mail"

	"github.com/gin-gonic/gin"
)

func CreateUser(c *gin.Context) {
	var user models.User
	if err := c.ShouldBindJSON(&user); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": errors.InvalidInput})
		c.Abort()
		return
	}

	// check username
	if len(user.Username) < 3 {
		c.JSON(http.StatusBadRequest, gin.H{"error": errors.UsernameTooShort})
		c.Abort()
		return
	}

	// check email
	_, mailErr := mail.ParseAddress(user.Email)
	if mailErr != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": errors.EmailInvalid})
		c.Abort()
		return
	}

	// check password
	if len(user.Password) < 8 {
		c.JSON(http.StatusBadRequest, gin.H{"error": errors.PasswordTooShort})
		c.Abort()
		return
	}

	if err := user.HashPwd(user.Password); err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": errors.PasswordHashFailed})
		c.Abort()
		return
	}

	entry := db.DbConn.Create(&user)
	if entry.Error != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": errors.UserCreationFailed})
		c.Abort()
		return
	}

	c.JSON(http.StatusCreated, gin.H{"id": user.ID, "username": user.Username})
}

A sdbapi/handlers/userinfo.go => sdbapi/handlers/userinfo.go +32 -0
@@ 0,0 1,32 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"api/db"
	"api/errors"
	"api/models"
	"net/http"

	"github.com/gin-gonic/gin"
)

func UserInfo(c *gin.Context) {
	username := c.Param("username")

	var user models.User
	record := db.DbConn.Where("username = ?", username).First(&user)
	if record.Error != nil {
		c.JSON(http.StatusNotFound, gin.H{"error": errors.UserNotFound})
		c.Abort()
		return
	}

	c.JSON(http.StatusOK, gin.H{"id": user.ID, "username": user.Username})
}

A sdbapi/handlers/userinfop.go => sdbapi/handlers/userinfop.go +51 -0
@@ 0,0 1,51 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"api/auth"
	"api/db"
	"api/errors"
	"api/models"
	"net/http"

	"github.com/gin-gonic/gin"
	"github.com/golang-jwt/jwt/v4"
)

func UserInfoP(c *gin.Context) {
	id := c.Param("id")

	var user models.User
	record := db.DbConn.Where("id = ?", id).First(&user)
	if record.Error != nil {
		c.JSON(http.StatusNotFound, gin.H{"error": errors.UserNotFound})
		c.Abort()
		return
	}

	tokenString := c.Request.Header.Get("Authorization")
	token, _ := jwt.ParseWithClaims(tokenString, &auth.JWTClaims{}, func(token *jwt.Token) (interface{}, error) {
		return []byte(auth.JWTSecret), nil
	})

	if claims, ok := token.Claims.(*auth.JWTClaims); ok && token.Valid {
		if user.Email != claims.Email {
			c.JSON(http.StatusUnauthorized, gin.H{"error": errors.NotAuthorized})
			c.Abort()
			return
		}
	} else {
		c.JSON(http.StatusNotFound, gin.H{"error": errors.Placeholder})
		c.Abort()
		return
	}

	c.JSON(http.StatusOK, gin.H{"id": user.ID, "username": user.Username, "email": user.Email})
}

A sdbapi/handlers/usertoken.go => sdbapi/handlers/usertoken.go +57 -0
@@ 0,0 1,57 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package handlers

import (
	"api/auth"
	"api/db"
	"api/errors"
	"api/models"
	"net/http"

	"github.com/gin-gonic/gin"
)

type TokenRequest struct {
	Email    string `json:"email"`
	Password string `json:"password"`
}

func GenerateToken(c *gin.Context) {
	var req TokenRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		c.JSON(http.StatusBadRequest, gin.H{"error": errors.InvalidInput})
		c.Abort()
		return
	}

	var user models.User
	record := db.DbConn.Where("email = ?", req.Email).First(&user)
	if record.Error != nil {
		c.JSON(http.StatusNotFound, gin.H{"error": errors.UserNotFound})
		c.Abort()
		return
	}

	credErr := user.VerifyPwd(req.Password)
	if credErr != nil {
		c.JSON(http.StatusUnauthorized, gin.H{"error": errors.InvalidCred})
		c.Abort()
		return
	}

	token, err := auth.NewJWTToken(user.Username, user.Email)
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": errors.NewJWTError})
		c.Abort()
		return
	}

	c.JSON(http.StatusOK, gin.H{"token": token})
}

A sdbapi/main.go => sdbapi/main.go +50 -0
@@ 0,0 1,50 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package main

import (
	"api/db"
	"api/handlers"
	"api/middlewares"
	"log"
	"os"

	"github.com/gin-gonic/gin"
)

func main() {
	dbConnectionString := os.Getenv("GORM_DB_STRING")

	db.Connect(dbConnectionString)

	db.Migrate()

	log.Print("creating router and launching API")
	router := createRouter()
	router.Run(":3000")
}

func createRouter() *gin.Engine {
	router := gin.Default()
	api := router.Group("/api")
	{
		api.GET("/info", handlers.Info)
		user := api.Group("/user")
		{
			user.POST("/register", handlers.CreateUser)
			user.POST("/token", handlers.GenerateToken)
			user.GET("/info/:username", handlers.UserInfo)
			userp := user.Group("/_").Use(middlewares.Auth())
			{
				userp.GET("/info/:id", handlers.UserInfoP)
			}
		}
	}
	return router
}

A sdbapi/middlewares/auth.go => sdbapi/middlewares/auth.go +42 -0
@@ 0,0 1,42 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package middlewares

import (
	"api/auth"
	"net/http"

	"github.com/gin-gonic/gin"
)

// JWT authorization middleware
func Auth() gin.HandlerFunc {
	return func(c *gin.Context) {
		// get the authorization header and check if it exists
		token := c.Request.Header.Get("Authorization")
		if token == "" {
			// no authorization header
			c.JSON(http.StatusUnauthorized, gin.H{"error": "missing authorization"})
			c.Abort()
			return
		}

		// check if the token is valid
		err := auth.ValidateJWTToken(token)
		if err != nil {
			// something is wrong with the token, error out
			c.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
			c.Abort()
			return
		}

		// continue to the next handler
		c.Next()
	}
}

A sdbapi/models/user.go => sdbapi/models/user.go +40 -0
@@ 0,0 1,40 @@
/*
 * This file is part of sdbapi
 * Copyright (C) 2022 Jonni Liljamo <jonni@liljamo.com>
 *
 * Licensed under GPL-3.0-only.
 * See LICENSE for licensing information.
 */

package models

import (
	"golang.org/x/crypto/bcrypt"
	"gorm.io/gorm"
)

type User struct {
	gorm.Model
	ID       string `json:"id" gorm:"primarykey;type:uuid;default:gen_random_uuid()"`
	Username string `json:"username" gorm:"unique"`
	Email    string `json:"email" gorm:"unique"`
	Password string `json:"password"`
}

// hash a users password
func (user *User) HashPwd(password string) error {
	hash, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
	if err != nil {
		return err
	}
	user.Password = string(hash)
	return nil
}

func (user *User) VerifyPwd(password string) error {
	err := bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(password))
	if err != nil {
		return err
	}
	return nil
}