Merge pull request 'users' (#16) from users into master

Reviewed-on: #16

auth/auth.go

@@ -0,0 +1,123 @@
+package auth
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"errors"
+	"time"
+
+	"github.com/jmoiron/sqlx"
+	"github.com/rs/zerolog/log"
+	"golang.org/x/crypto/bcrypt"
+
+	"code.chrissexton.org/cws/cabinet/config"
+	"code.chrissexton.org/cws/cabinet/db"
+)
+
+type User struct {
+	*db.Database
+
+	ID         int64
+	Name       string
+	Hash       []byte
+	AuthKey    string `db:"auth_key"`
+	Invalidate time.Time
+}
+
+func PrepareTable(tx *sqlx.Tx) error {
+	q := `create table if not exists users (
+		id integer primary key,
+		name text unique not null,
+		hash text not null,
+		auth_key text,
+		invalidate datetime
+		)`
+	_, err := tx.Exec(q)
+	return err
+}
+
+func makeKey() (string, error) {
+	keySize := config.GetInt("key.size", 10)
+	buf := make([]byte, keySize)
+	_, err := rand.Read(buf)
+	if err != nil {
+		return "", err
+	}
+	key := hex.EncodeToString(buf)
+	log.Debug().Msgf("Encoded secret key %s as %s", string(buf), key)
+	return key, nil
+}
+
+func New(db *db.Database, name, password string) (*User, error) {
+	q := `insert into users values (null, ?, ?, ?, ?)`
+
+	key, err := makeKey()
+	if err != nil {
+		return nil, err
+	}
+	invalidate := time.Now().Add(time.Duration(config.GetInt("invalidate.hours", 7*24)) * time.Hour)
+	hash, err := bcrypt.GenerateFromPassword([]byte(password), config.GetInt("hash.cost", 10))
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := db.Exec(q, name, hash, key, invalidate)
+	if err != nil {
+		return nil, err
+	}
+	id, err := res.LastInsertId()
+	if err != nil {
+		return nil, err
+	}
+	u := &User{
+		ID:         id,
+		Name:       name,
+		AuthKey:    key,
+		Invalidate: invalidate,
+	}
+	u.Set(password)
+	return u, nil
+}
+
+func Get(db *db.Database, name string) (*User, error) {
+	q := `select * from users where name = ?`
+	u := &User{}
+	if err := db.Get(u, q, name); err != nil {
+		return nil, err
+	}
+	return u, nil
+}
+
+func (u *User) Set(newPassword string) error {
+	hash, err := bcrypt.GenerateFromPassword([]byte(newPassword), 0)
+	if err != nil {
+		return err
+	}
+	u.Hash = hash
+	return nil
+}
+
+func (u *User) Validate(password string) bool {
+	err := bcrypt.CompareHashAndPassword(u.Hash, []byte(password))
+	if err != nil {
+		log.Debug().Err(err).Msg("incorrect credentials")
+		return false
+	}
+	return true
+}
+
+func GetByKey(db *db.Database, key string) (*User, error) {
+	q := `select * from users where auth_key = ?`
+	u := &User{}
+	invalid := errors.New("invalid key")
+	if err := db.Get(u, q, key); err != nil {
+		if err.Error() == "sql: no rows in result set" {
+			return nil, invalid
+		}
+		return nil, err
+	}
+	if u.Invalidate.Before(time.Now()) {
+		return nil, invalid
+	}
+	return u, nil
+}

auth/auth_test.go

@@ -0,0 +1,78 @@
+package auth
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"code.chrissexton.org/cws/cabinet/db"
+)
+
+func TestMakeKey(t *testing.T) {
+	k, err := makeKey()
+	assert.Nil(t, err)
+	assert.NotEmpty(t, k)
+}
+
+func TestGetByKey(t *testing.T) {
+	d, err := db.New(":memory:")
+	assert.Nil(t, err)
+	tx, err := d.Beginx()
+	assert.Nil(t, err)
+	err = PrepareTable(tx)
+	assert.Nil(t, err)
+	err = tx.Commit()
+	assert.Nil(t, err)
+	u, err := New(d, "test", "abc")
+	assert.Nil(t, err)
+	u2, err := GetByKey(d, u.AuthKey)
+	assert.Nil(t, err)
+	assert.Equal(t, u.ID, u2.ID)
+}
+
+func TestGetByKeyFailure(t *testing.T) {
+	d, err := db.New(":memory:")
+	assert.Nil(t, err)
+	tx, err := d.Beginx()
+	assert.Nil(t, err)
+	err = PrepareTable(tx)
+	assert.Nil(t, err)
+	err = tx.Commit()
+	assert.Nil(t, err)
+	_, err = New(d, "test", "abc")
+	assert.Nil(t, err)
+	u2, err := GetByKey(d, "foobar")
+	assert.Error(t, err)
+	assert.Nil(t, u2)
+}
+
+func TestGet(t *testing.T) {
+	d, err := db.New(":memory:")
+	assert.Nil(t, err)
+	tx, err := d.Beginx()
+	assert.Nil(t, err)
+	err = PrepareTable(tx)
+	assert.Nil(t, err)
+	err = tx.Commit()
+	assert.Nil(t, err)
+	u, err := New(d, "test", "abc")
+	assert.Nil(t, err)
+	u2, err := Get(d, "test")
+	assert.Nil(t, err)
+	assert.Equal(t, u.ID, u2.ID)
+}
+
+func TestUser_Validate(t *testing.T) {
+	d, err := db.New(":memory:")
+	assert.Nil(t, err)
+	tx, err := d.Beginx()
+	assert.Nil(t, err)
+	err = PrepareTable(tx)
+	assert.Nil(t, err)
+	err = tx.Commit()
+	assert.Nil(t, err)
+	u, err := New(d, "test", "abc")
+	assert.Nil(t, err)
+	actual := u.Validate("abc")
+	assert.True(t, actual)
+}

config/config.go

@@ -0,0 +1,24 @@
+package config
+
+import (
+	"os"
+	"strconv"
+	"strings"
+)
+
+func GetInt(key string, fallback int) int {
+	v := Get(key, strconv.Itoa(fallback))
+	if out, err := strconv.Atoi(v); err == nil {
+		return out
+	}
+	return fallback
+}
+
+func Get(key, fallback string) string {
+	key = strings.ToUpper(key)
+	key = strings.ReplaceAll(key, ".", "_")
+	if v, found := os.LookupEnv(key); found {
+		return v
+	}
+	return fallback
+}

db/db.go

@@ -2,6 +2,8 @@ package db
 
 import "github.com/jmoiron/sqlx"
 
+import _ "github.com/mattn/go-sqlite3"
+
 type Database struct {
 	*sqlx.DB
 }

frontend/package.json

@@ -8,17 +8,19 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
+    "@vue/cli": "^4.0.5",
     "asciidoctor": "^2.0.3",
     "axios": "^0.19.0",
-	"jquery": "^1.9.1",
-	"popper.js": "^1.14.7",
     "bootstrap": "^4.3.1",
     "bootstrap-vue": "^2.0.4",
     "bootswatch": "^4.3.1",
     "brace": "latest",
     "core-js": "^3.3.2",
+    "jquery": "^1.9.1",
     "lodash": "^4.17.15",
+    "popper.js": "^1.14.7",
     "vue": "^2.6.10",
+    "vue-cookies": "^1.7.0",
     "vue-router": "^3.1.3",
     "vue2-ace-editor": "^0.0.15",
     "vuex": "^3.0.1"
@@ -34,7 +36,7 @@
     "eslint-plugin-vue": "^5.0.0",
     "sass": "^1.23.0",
     "sass-loader": "^8.0.0",
-	"webpack": "^4.36.0",
+    "vue-template-compiler": "^2.6.10",
-    "vue-template-compiler": "^2.6.10"
+    "webpack": "^4.36.0"
   }
 }

frontend/src/components/Login.vue

@@ -0,0 +1,74 @@
+<template>
+    <b-form @submit="onSubmit" @reset="onReset">
+        <b-form-group
+                id="username"
+                label="Username"
+                label-for="username-input">
+            <b-form-input
+                    id="username-input"
+                    v-model="form.username"
+                    required></b-form-input>
+        </b-form-group>
+        <b-form-group
+                id="password"
+                label="Password"
+                label-for="password-input">
+            <b-form-input
+                    id="password-input"
+                    v-model="form.password"
+                    type="password"
+                    required></b-form-input>
+        </b-form-group>
+        <b-form-group class="justify-content-md-center align-content-center">
+            <b-button
+                    id="login-button"
+                    type="submit"
+                    variant="primary">Submit
+            </b-button>
+            <b-button
+                    id="reset-button"
+                    type="reset"
+                    variant="danger">Reset
+            </b-button>
+        </b-form-group>
+    </b-form>
+</template>
+
+<script>
+  export default {
+    name: "Login",
+    data() {
+      return {
+        form: {
+          username: '',
+          password: ''
+        }
+      }
+    },
+    methods: {
+      onSubmit(evt) {
+        evt.preventDefault()
+        this.$store.dispatch('login', {username: this.form.username, password: this.form.password})
+          .catch((err) => {
+            console.log(err)
+          })
+          .then(() => {
+            this.$cookies.set('key', this.$store.state.key)
+            if (!this.$route.params.returnTo)
+              this.$router.push("/")
+            else
+              this.$router.push(this.$route.params.returnTo)
+          })
+      },
+      onReset(evt) {
+        evt.preventDefault()
+        this.form.username = ''
+        this.form.password = ''
+      }
+    }
+  }
+</script>
+
+<style scoped>
+
+</style>

frontend/src/main.js

@@ -4,6 +4,7 @@ import router from './router'
 import store from './store'
 
 import BootstrapVue from 'bootstrap-vue'
+import VueCookies from 'vue-cookies'
 
 // import "bootswatch/dist/darkly/variables";
 // import "bootstrap/scss/bootstrap";
@@ -15,6 +16,7 @@ import 'bootstrap-vue/dist/bootstrap-vue.css'
 Vue.config.productionTip = false
 
 Vue.use(BootstrapVue)
+Vue.use(VueCookies)
 
 new Vue({
   router,

frontend/src/router/index.js

@@ -1,6 +1,7 @@
 import Vue from 'vue'
 import VueRouter from 'vue-router'
 import Home from '../views/Home.vue'
+import Login from '../views/Login.vue'
 import Console from '../views/Console.vue'
 
 Vue.use(VueRouter)
@@ -31,6 +32,11 @@ const routes = [
     name: 'console',
     component: Console
   },
+  {
+    path: '/login',
+    name: 'login',
+    component: Login
+  },
   {
     path: '/about',
     name: 'about',

frontend/src/store/index.js

@@ -23,7 +23,8 @@ export default new Vuex.Store({
     errs: [],
     searchResults: [],
     query: null,
-    file: null
+    file: null,
+    key: null
   },
   mutations: {
     clearError(state) {
@@ -46,11 +47,18 @@ export default new Vuex.Store({
     },
     setTags(state, tags) {
       state.file.Tags = tags
+    },
+    setKey(state, key) {
+      axios.defaults.headers.common['X-Auth-Key'] = key
+      state.key = key
     }
   },
   actions: {
-    newFile: function({commit}) {
+    newFile: function ({commit, state}) {
       return new Promise((resolve, reject) => {
+        if (!state.key) {
+          return reject('not logged in')
+        }
         axios.post('/v1/entries', {})
           .catch(err => {
             commit('addError', err)
@@ -85,10 +93,14 @@ export default new Vuex.Store({
       })
     },
     saveFile: function ({state}) {
+      if (!state.key)
+        return new Promise((resolve, reject) => { reject('not logged in') })
       if (state.file)
         return axios.put('/v1/entries/' + state.file.Slug, state.file)
     },
-    deleteBySlug: function({dispatch,commit}, slug) {
+    deleteBySlug: function ({dispatch, commit, state}, slug) {
+      if (!state.key)
+        return new Promise((resolve, reject) => { reject('not logged in') })
       axios.delete('/v1/entries/' + slug)
         .catch(err => {
           commit('addError', err)
@@ -96,8 +108,21 @@ export default new Vuex.Store({
         .then(() => {
           dispatch('updateSearch')
         })
+    },
+    login: function ({commit}, {username, password}) {
+      return new Promise((resolve, reject) => {
+        axios.post('/v1/auth', {username: username, password: password})
+          .then(res => {
+            commit('setKey', res.data.User.AuthKey)
+            commit('clearError')
+            resolve()
+          })
+          .catch(err => {
+            commit('addError', err)
+            reject(err)
+          })
+      })
     }
   },
-  modules: {
+  modules: {}
-  }
 })

frontend/src/views/Console.vue

@@ -78,7 +78,16 @@ export default {
     // called before the route that renders this component is confirmed.
     // does NOT have access to `this` component instance,
     // because it has not been created yet when this guard is called!
-    next()
+    next(vm => {
+      if (!vm.$store.state.key) {
+        let key = vm.$cookies.get('key')
+        if (key) {
+          vm.$store.commit('setKey', key)
+          return
+        }
+        vm.$router.push({name: "login", params: {returnTo: vm.$route.path}})
+      }
+    })
   },
   beforeRouteUpdate (to, from, next) {
     // called when the route that renders this component has changed,

frontend/src/views/Login.vue

@@ -0,0 +1,30 @@
+<template>
+    <b-container fluid>
+        <b-row><b-col>
+            <h1>Login</h1>
+        </b-col></b-row>
+        <b-row class="justify-content-md-center">
+            <b-col md="auto">
+                <Login />
+            </b-col>
+        </b-row>
+    </b-container>
+</template>
+
+
+<script>
+  import Login from '../components/Login.vue'
+
+  export default {
+    name: 'login',
+    components: {
+      Login
+    }
+  }
+</script>
+
+<style scoped>
+    h2 {
+        font-size: large;
+    }
+</style>

go.mod

@@ -11,6 +11,8 @@ require (
 	github.com/rs/zerolog v1.16.0
 	github.com/speps/go-hashids v2.0.0+incompatible
 	github.com/stretchr/graceful v1.2.15
+	github.com/stretchr/testify v1.4.0
+	golang.org/x/crypto v0.0.0-20191107222254-f4817d981bb6
 	golang.org/x/sys v0.0.0-20191029155521-f43be2a4598c // indirect
 	google.golang.org/appengine v1.6.5 // indirect
 )

go.sum

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 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.3.2/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rogpeppe/go-internal v1.4.0 h1:LUa41nrWTQNGhzdsZ5lTnkwbNjj6rXTdazA1cSdjkOY=
 github.com/rogpeppe/go-internal v1.4.0/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
+github.com/rs/zerolog v1.16.0 h1:AaELmZdcJHT8m6oZ5py4213cdFK8XGXkB3dFdAQ+P7Q=
 github.com/rs/zerolog v1.16.0/go.mod h1:9nvC1axdVrAHcu/s9taAVfBuIdTZLVQmKQyvrUjF5+I=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
+github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
+github.com/speps/go-hashids v1.0.0 h1:jdFC07PrExRM4Og5Ev4411Tox75aFpkC77NlmutadNI=
+github.com/speps/go-hashids v2.0.0+incompatible h1:kSfxGfESueJKTx0mpER9Y/1XHl+FVQjtCqRyYcviFbw=
 github.com/speps/go-hashids v2.0.0+incompatible/go.mod h1:P7hqPzMdnZOfyIk+xrlG1QaSMw+gCBdHKsBDnhpaZvc=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -50,22 +71,29 @@ github.com/spf13/cobra v0.0.5/go.mod h1:3K3wKZymM7VvHMDS9+Akkh4K60UwM26emMESw8tL
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
 github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DMA2s=
+github.com/stretchr/graceful v1.2.15 h1:vmXbwPGfe8bI6KkgmHry/P1Pk63bM3TDcfi+5mh+VHg=
 github.com/stretchr/graceful v1.2.15/go.mod h1:IxdGAOTZueMKoBr3oJIzdeg5CCCXbHXfV44sLhfAXXI=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4 h1:ydJNl0ENAG67pFbB+9tfhiL2pYqLhfoaZFw/cjLhY4A=
 golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20191107222254-f4817d981bb6 h1:VsmCukA2gDdC3Mu6evOIT0QjLSQWiJIwzv1Bdj4jdzU=
+golang.org/x/crypto v0.0.0-20191107222254-f4817d981bb6/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e h1:vcxGaoTs7kV8m5Np9uUNQin4BrLOthgV7252N8V+FwY=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -75,13 +103,17 @@ golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191029155521-f43be2a4598c h1:S/FtSvpNLtFBgjTqcKsRpsa6aVsI6iztaz1bQd9BJwE=
 golang.org/x/sys v0.0.0-20191029155521-f43be2a4598c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190828213141-aed303cbaa74/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

@@ -1,10 +1,12 @@
 package main
 
 import (
-	"code.chrissexton.org/cws/cabinet/entry"
 	"flag"
 	"os"
 
+	"code.chrissexton.org/cws/cabinet/auth"
+	"code.chrissexton.org/cws/cabinet/entry"
+
 	"code.chrissexton.org/cws/cabinet/db"
 	"code.chrissexton.org/cws/cabinet/web"
 
@@ -22,6 +24,7 @@ var (
 	salt        = flag.String("salt", "c4b1n3t", "salt for IDs")
 	minHashLen  = flag.Int("minHashLen", 4, "minimum ID hash size")
 	develop     = flag.Bool("develop", false, "turn on develop mode")
+	adminSecret = flag.String("adminSecret", "helpme123", "secret for user creation")
 )
 
 func main() {
@@ -43,6 +46,9 @@ func main() {
 	if err := entry.PrepareTable(tx); err != nil {
 		log.Fatal().Err(err).Msg("could not create database")
 	}
+	if err = auth.PrepareTable(tx); err != nil {
+		log.Fatal().Err(err).Msg("could not create database")
+	}
 	tx.Commit()
 
 	s := web.New(*httpAddr, db, box)

web/auth.go

@@ -0,0 +1,105 @@
+package web
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"code.chrissexton.org/cws/cabinet/auth"
+	"code.chrissexton.org/cws/cabinet/config"
+
+	"github.com/rs/zerolog/log"
+)
+
+func (web *Web) auth(w http.ResponseWriter, r *http.Request) {
+	req := struct {
+		Username string
+		Password string
+	}{}
+	dec := json.NewDecoder(r.Body)
+	err := dec.Decode(&req)
+	if err != nil {
+		log.Error().Err(err).Msg("Error decoding json request")
+		w.WriteHeader(500)
+		fmt.Fprint(w, err)
+		return
+	}
+
+	user, err := auth.Get(web.db, req.Username)
+	if err != nil {
+		w.WriteHeader(401)
+		resp := struct {
+			Status bool
+			Err    string
+		}{
+			false,
+			"User and password combination is invalid",
+		}
+		j, err := json.Marshal(resp)
+		if err != nil {
+			w.WriteHeader(500)
+			log.Error().Err(err).Msg("Error encoding json response")
+			return
+		}
+		w.Write(j)
+		return
+	}
+
+	if user.Validate(req.Password) {
+		resp := struct {
+			Status bool
+			User   auth.User
+		}{
+			true,
+			*user,
+		}
+		j, err := json.Marshal(resp)
+		if err != nil {
+			w.WriteHeader(500)
+			log.Error().Err(err).Msg("Error encoding json response")
+			return
+		}
+		w.WriteHeader(200)
+		w.Write(j)
+		return
+	}
+	w.WriteHeader(401)
+	resp := struct {
+		Status  bool
+		Message string
+	}{Message: "incorrect credentials"}
+	j, err := json.Marshal(resp)
+	if err != nil {
+		w.WriteHeader(500)
+		log.Error().Err(err).Msg("Error encoding json response")
+		return
+	}
+	w.Write(j)
+}
+
+func (web *Web) newUser(w http.ResponseWriter, r *http.Request) {
+	secret := r.Header.Get("X-secret")
+	if secret != config.Get("secret", "abc123") {
+		w.WriteHeader(401)
+		return
+	}
+	dec := json.NewDecoder(r.Body)
+	req := struct {
+		Username string
+		Password string
+	}{}
+	err := dec.Decode(&req)
+	if err != nil {
+		w.WriteHeader(500)
+		fmt.Fprint(w, err)
+		return
+	}
+	_, err = auth.New(web.db, req.Username, req.Password)
+	if err != nil {
+		w.WriteHeader(500)
+		fmt.Fprint(w, err)
+		log.Error().Err(err).Msg("Could not create user")
+		return
+	}
+	w.WriteHeader(200)
+}

web/routes.go

@@ -1,19 +1,20 @@
 package web
 
 import (
+	"fmt"
 	"net/http"
 	"os"
 	"time"
 
+	"github.com/gorilla/handlers"
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+
+	"code.chrissexton.org/cws/cabinet/auth"
 	"code.chrissexton.org/cws/cabinet/db"
 
 	packr "github.com/gobuffalo/packr/v2"
 
-	"github.com/speps/go-hashids"
-
-	"github.com/gorilla/handlers"
-	"github.com/gorilla/mux"
-	"github.com/rs/zerolog/log"
 	"github.com/stretchr/graceful"
 )
 
@@ -21,7 +22,6 @@ type Web struct {
 	addr string
 	db   *db.Database
 	salt string
-	h    *hashids.HashID
 	box  *packr.Box
 }
 
@@ -39,9 +39,31 @@ func New(addr string, db *db.Database, box *packr.Box) *Web {
 	return w
 }
 
+type AuthMiddleware struct {
+	db *db.Database
+}
+
+func (aw *AuthMiddleware) Middleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		key := r.Header.Get("X-Auth-Key")
+		u, err := auth.GetByKey(aw.db, key)
+		if key == "" || err != nil {
+			w.WriteHeader(401)
+			fmt.Fprint(w, "invalid login")
+			return
+		}
+		log.Debug().Msgf("This shit is authed to user %s!", u.Name)
+		next.ServeHTTP(w, r)
+	})
+}
+
 func (web *Web) routeSetup() http.Handler {
 	r := mux.NewRouter()
 	api := r.PathPrefix("/v1/").Subrouter()
+	auth := AuthMiddleware{web.db}
+
+	authedApi := r.PathPrefix("/v1/").Subrouter()
+	authedApi.Use(auth.Middleware)
 
 	api.HandleFunc("/test", func(w http.ResponseWriter, r *http.Request) {
 		log.Debug().Msg("test json")
@@ -53,15 +75,19 @@ func (web *Web) routeSetup() http.Handler {
 
 	// curl 'http://127.0.0.1:8080/v1/test' -X POST -H 'Accept: application/json, text/plain, */*' --compressed -H 'Content-Type: application/json;charset=utf-8' --data '{ "test": 1 }'
 
-	api.HandleFunc("/entries", web.allEntries).Methods(http.MethodGet)
+	authedApi.HandleFunc("/entries", web.newEntry).Methods(http.MethodPost)
-	api.HandleFunc("/entries", web.newEntry).Methods(http.MethodPost)
+	authedApi.HandleFunc("/entries", web.newEntry).Methods(http.MethodPost).
-	api.HandleFunc("/entries", web.newEntry).Methods(http.MethodPost).
 		HeadersRegexp("Content-Type", "application/(text|json).*")
-	api.HandleFunc("/entries", web.newMarkdownEntry).Methods(http.MethodPost).
+	authedApi.HandleFunc("/entries", web.newMarkdownEntry).Methods(http.MethodPost).
 		HeadersRegexp("Content-Type", "application/markdown.*")
-	api.HandleFunc("/entries/{slug}", web.removeEntry).Methods(http.MethodDelete)
+	authedApi.HandleFunc("/entries/{slug}", web.removeEntry).Methods(http.MethodDelete)
-	api.HandleFunc("/entries/{slug}", web.editEntry).Methods(http.MethodPut)
+	authedApi.HandleFunc("/entries/{slug}", web.editEntry).Methods(http.MethodPut)
+
 	api.HandleFunc("/entries/{slug}", web.getEntry).Methods(http.MethodGet)
+	api.HandleFunc("/entries", web.allEntries).Methods(http.MethodGet)
+
+	api.HandleFunc("/auth/new", web.newUser).Methods(http.MethodPost)
+	api.HandleFunc("/auth", web.auth).Methods(http.MethodPost)
 	r.PathPrefix("/").HandlerFunc(web.indexHandler("/index.html"))
 	loggedRouter := handlers.LoggingHandler(os.Stdout, r)
 	return loggedRouter