commit a8da07573a35019cb96a2d9b9a93374051f8c143
parent 38618c69a313f27e2a6abcb22e410713e18c681e
Author: Vetle Haflan <vetle@haflan.dev>
Date: Tue, 22 Nov 2022 21:30:04 +0100
Remove redis-stuff - it's part of skogbry.net project now
Diffstat:
7 files changed, 0 insertions(+), 347 deletions(-)
diff --git a/go/redis-session/cmd/auth-server/main.go b/go/redis-session/cmd/auth-server/main.go
@@ -1,87 +0,0 @@
-package main
-
-import (
- "crypto/rand"
- "encoding/hex"
- "fmt"
- "io"
- "net/http"
- "os"
-
- "gl.haflan.dev/general/experiments/go/redis/session"
-)
-
-var sessionIDSize = 32
-var domain string
-
-func init() {
- domain = os.Getenv("AUTH_TOP_DOMAIN")
- if domain == "" {
- domain = "local.test"
- }
-}
-
-func getRand() (string, error) {
- sidBytes := make([]byte, sessionIDSize)
- _, err := io.ReadFull(rand.Reader, sidBytes)
- if err != nil {
- return "", err
- }
- sidHex := make([]byte, hex.EncodedLen(len(sidBytes)))
- hex.Encode(sidHex, sidBytes)
- return string(sidHex), nil
-}
-
-func postIndex(w http.ResponseWriter, r *http.Request) {
- if r.Method != http.MethodPost {
- w.WriteHeader(http.StatusMethodNotAllowed)
- return
- }
- sid, err := getRand()
- if err != nil {
- w.WriteHeader(http.StatusInternalServerError)
- return
- }
- err = session.SetSession(sid, "me")
- if err != nil {
- w.WriteHeader(http.StatusInternalServerError)
- return
- }
- c := &http.Cookie{
- Name: "sess_id",
- Value: sid,
- // Setting this includes subdomains
- Domain: domain,
- // Without this the browser will refuse to work with the cookie
- SameSite: http.SameSiteNoneMode,
- }
- http.SetCookie(w, c)
- // TODO: 2FA
-}
-
-func getIndex(w http.ResponseWriter, r *http.Request) {
- // TODO: If logged in, go directly to target page (or generic logged in page if no target)
- loginPage, _ := os.ReadFile("login.html")
- w.Write(loginPage)
-}
-
-func handleIndex(w http.ResponseWriter, r *http.Request) {
- w.Header().Add("Access-Control-Allow-Origin", "http://login.local.test")
- w.Header().Add("Access-Control-Allow-Credentials", "true")
- switch r.Method {
- case http.MethodPost:
- postIndex(w, r)
- case http.MethodGet:
- getIndex(w, r)
- default:
- w.WriteHeader(http.StatusMethodNotAllowed)
- }
-}
-
-func main() {
- http.HandleFunc("/", handleIndex)
- if err := http.ListenAndServe(":7676", nil); err != nil {
- fmt.Println(err)
- os.Exit(1)
- }
-}
diff --git a/go/redis-session/cmd/tester/main.go b/go/redis-session/cmd/tester/main.go
@@ -1,44 +0,0 @@
-package main
-
-import (
- "fmt"
- "net/http"
- "net/url"
- "os"
-
- "gl.haflan.dev/general/experiments/go/redis/session"
-)
-
-var authServer string
-
-func init() {
- authServer = os.Getenv("AUTH_SERVER")
- u, err := url.Parse(authServer)
- if err != nil || u.Host == "" {
- panic("malformed auth server url: " + authServer)
- }
-}
-
-func handleTest(w http.ResponseWriter, r *http.Request) {
- gotoURL := authServer + "?goto=" + url.QueryEscape("http://"+r.Host+r.URL.Path)
- c, err := r.Cookie("sess_id")
- if err != nil {
- http.Redirect(w, r, gotoURL, http.StatusTemporaryRedirect)
- return
- }
- fmt.Println("Cookie is:", c.Value)
- user, err := session.GetSession(c.Value)
- if err != nil {
- http.Redirect(w, r, gotoURL, http.StatusTemporaryRedirect)
- return
- }
- w.Write([]byte("logged in as " + user))
-}
-
-func main() {
- http.HandleFunc("/", handleTest)
- if err := http.ListenAndServe(":7677", nil); err != nil {
- fmt.Println(err)
- os.Exit(1)
- }
-}
diff --git a/go/redis-session/go.mod b/go/redis-session/go.mod
@@ -1,10 +0,0 @@
-module gl.haflan.dev/general/experiments/go/redis
-
-go 1.17
-
-require github.com/go-redis/redis/v8 v8.11.4
-
-require (
- github.com/cespare/xxhash/v2 v2.1.2 // indirect
- github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
-)
diff --git a/go/redis-session/go.sum b/go/redis-session/go.sum
@@ -1,97 +0,0 @@
-github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
-github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
-github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
-github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
-github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/go-redis/redis/v8 v8.11.4 h1:kHoYkfZP6+pe04aFTnhDH6GDROa5yJdHJVNxV3F46Tg=
-github.com/go-redis/redis/v8 v8.11.4/go.mod h1:2Z2wHZXdQpCDXEGzqMockDpNyYvi2l4Pxt6RJr792+w=
-github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
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-github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
-github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
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-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
diff --git a/go/redis-session/login.html b/go/redis-session/login.html
@@ -1,22 +0,0 @@
-<html>
-<body>
- <div><input type="text" id="username" placeholder="username"><br></div>
- <div><input type="password" id="password" placeholder="password"></div>
- <div><button onclick="doLogin()">Login</button></div>
-</html>
-<script type="text/javascript">
- function doLogin() {
- let username = document.getElementById("username").value
- let password = document.getElementById("password").value
- let data = {username, password}
- fetch('/' + location.search, {
- method: 'POST',
- mode: 'cors',
- credentials: 'include',
- body: JSON.stringify(data)
- }).then(r => {
- console.log(r.status)
- })
- }
-</script>
-</body>-
\ No newline at end of file
diff --git a/go/redis-session/notes.adoc b/go/redis-session/notes.adoc
@@ -1,20 +0,0 @@
-== Configuration
-CORS will impact whether cookies set by server will actually be set / used by the browser.
-There are several pitfalls when configuring a single sign on mechanism like in this experiment,
-e.g. when setting cookies or auth headers, `Access-Control-Allow-Origin` can *not* be a wildcard.
-Here's what works and why:
-
-.Client-side (fetch)
-- Set `credentials: 'include'` to signify that the server will send cookies
-- Set `mode: 'cors'` to allow Cross-Origin Resource (Sharing)
-
-.Server-side
-- Set headers:
- * `Access-Control-Allow-Origin` to the login server, e.g. `http://login.example.com`
- (to avoid the browser accessing the credentials if requested from wrong origin, _I think_)
- * `Access-Control-Allow-Credentials` to `true` (to tell the browser that it's safe to use
- the credentials, _I think_)
-- When generating the cookie, set:
- * `Domain` to the domain to to highest level to be supported, e.g. `example.com`
- * `SameSite` to `None`, otherwise the browser will refuse to work with it
-
diff --git a/go/redis-session/session/session.go b/go/redis-session/session/session.go
@@ -1,66 +0,0 @@
-package session
-
-import (
- "context"
- "errors"
- "fmt"
- "os"
- "time"
-
- "github.com/go-redis/redis/v8"
-)
-
-var rdb *redis.Client
-var ctx = context.Background()
-var expirationTime = time.Duration(15 * time.Second)
-
-func init() {
- redisAddr := os.Getenv("REDIS_ADDR")
- redisPW := os.Getenv("REDIS_PW")
- if redisAddr == "" {
- redisAddr = "localhost:6379"
- }
- rdb = redis.NewClient(&redis.Options{
- Addr: redisAddr,
- Password: redisPW,
- DB: 0,
- })
- if rdb == nil {
- panic("could not init Redis client")
- }
-}
-
-var (
- ErrNoSessID = errors.New("empty session id")
- ErrInvalidSessID = errors.New("invalid session id")
- ErrExpirationFailed = errors.New("unable to refresh session id expiration")
-)
-
-func GetSession(sessID string) (data string, err error) {
- if sessID == "" {
- return "", ErrNoSessID
- }
- val, err := rdb.Get(ctx, "sess:"+sessID).Result()
- if err == redis.Nil {
- return "", ErrInvalidSessID
- } else if err != nil {
- return "", fmt.Errorf("could not read session id: %v", err)
- }
- // Keep session alive
- _, err = rdb.Expire(ctx, "sess:"+sessID, expirationTime).Result()
- if err != nil {
- return "", ErrExpirationFailed
- }
- return val, err
-}
-
-func SetSession(sessID, data string) error {
- if sessID == "" {
- return ErrNoSessID
- }
- err := rdb.Set(ctx, "sess:"+sessID, data, expirationTime).Err()
- if err != nil {
- return fmt.Errorf("failed to set session id: %v", err)
- }
- return nil
-}
