wip

polyculeconnect/controller/ui/approval.go

@@ -0,0 +1,67 @@
+package ui
+
+import (
+	"net/http"
+
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services/approval"
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	ApprovalRoute = "/approval"
+	rememberKey   = "remember"
+)
+
+type ApprovalController struct {
+	l                    *logrus.Logger
+	downstreamController http.Handler
+	srv                  approval.ApprovalService
+}
+
+func NewApprovalController(l *logrus.Logger, downstream http.Handler, srv approval.ApprovalService) *ApprovalController {
+	return &ApprovalController{
+		l:                    l,
+		downstreamController: downstream,
+		srv:                  srv,
+	}
+}
+
+func (ac *ApprovalController) handleGetApproval(r *http.Request) {
+	ac.l.Debug("Checking if approval is remembered")
+
+	remembered, err := ac.srv.IsRemembered(r.Context(), approval.Claim{Email: "kilgore@kilgore.trout", ClientID: "9854d42da9cd91369a293758d514178c73d2b9774971d8965945ab2b81e83e69"})
+	if err != nil {
+		ac.l.Errorf("Failed to check if approval is remembered: %s", err.Error())
+		return
+	}
+
+	if remembered {
+		ac.l.Info("Approval is remembered, skipping approval page")
+		return
+	} else {
+		ac.l.Info("Approval is not remembered, continuing")
+	}
+}
+
+func (ac *ApprovalController) handlePostApproval(r *http.Request) {
+	ac.l.Debug("Handling POST approval request")
+	if err := r.ParseForm(); err != nil {
+		ac.l.Errorf("Failed to parse request form: %s", err.Error())
+		return
+	}
+
+	if remember := r.Form.Get(rememberKey); remember == "on" {
+		if err := ac.srv.Remember(r.Context(), approval.Claim{Email: "kilgore@kilgore.trout", ClientID: "9854d42da9cd91369a293758d514178c73d2b9774971d8965945ab2b81e83e69"}); err != nil {
+			ac.l.Errorf("Failed to remember approval request: %s", err.Error())
+		}
+	}
+}
+
+func (ac *ApprovalController) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.Method == http.MethodPost {
+		ac.handlePostApproval(r)
+	} else if r.Method == http.MethodGet {
+		ac.handleGetApproval(r)
+	}
+	ac.downstreamController.ServeHTTP(w, r)
+}

polyculeconnect/server/server.go

@@ -11,6 +11,7 @@ import (
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/config"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/controller/ui"
 	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/middlewares"
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services/approval"
 	dex_server "github.com/dexidp/dex/server"
 	"github.com/sirupsen/logrus"
 )
@@ -63,8 +64,11 @@ func New(appConf *config.AppConfig, dexSrv *dex_server.Server, logger *logrus.Lo
 		panic(fmt.Errorf("unexpected listening mode %v", appConf.ServerMode))
 	}
 
+	approvalSrv := approval.New(appConf)
+
 	controllers := map[string]http.Handler{
 		ui.StaticRoute: middlewares.WithLogger(&ui.StaticController{}, logger),
+		"/approval":    middlewares.WithLogger(ui.NewApprovalController(logger, dexSrv, approvalSrv), logger),
 		"/":            middlewares.WithLogger(ui.NewIndexController(logger, dexSrv), logger),
 	}
 

polyculeconnect/services/approval/approval.go

@@ -0,0 +1,81 @@
+package approval
+
+import (
+	"context"
+	"database/sql"
+	"errors"
+	"fmt"
+	"time"
+
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/config"
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/services/db"
+)
+
+const (
+	insertRememberApproval = `INSERT INTO stored_approvals (email, client_id, expiry) VALUES (?, ?, ?)`
+	getApproval            = `SELECT expiry FROM stored_approvalts WHERE email = ? AND client_id = ?`
+	dbTimeout              = 30 * time.Second
+	approvalExpiration     = 30 * 24 * time.Hour
+)
+
+type Claim struct {
+	Email    string
+	ClientID string
+}
+
+type ApprovalService interface {
+	Remember(ctx context.Context, claim Claim) error
+	IsRemembered(ctx context.Context, claim Claim) (bool, error)
+}
+
+type concreteApprovalService struct {
+	conf *config.AppConfig
+}
+
+func (cas *concreteApprovalService) Remember(ctx context.Context, claim Claim) error {
+	db, err := db.Connect(cas.conf)
+	if err != nil {
+		return fmt.Errorf("failed to connect to db: %w", err)
+	}
+
+	queryCtx, cancel := context.WithTimeout(ctx, dbTimeout)
+	defer cancel()
+
+	tx, err := db.BeginTx(queryCtx, nil)
+	if err != nil {
+		return fmt.Errorf("failed to begin transaction: %w", err)
+	}
+
+	expiry := time.Now().UTC().Add(approvalExpiration)
+	_, err = tx.Exec(insertRememberApproval, claim.Email, claim.ClientID, expiry)
+	if err != nil {
+		return fmt.Errorf("failed to insert approval in DB: %w", err)
+	}
+
+	if err := tx.Commit(); err != nil {
+		return fmt.Errorf("failed to commit transaction: %w", err)
+	}
+	return nil
+}
+
+func (cas *concreteApprovalService) IsRemembered(ctx context.Context, claim Claim) (bool, error) {
+	db, err := db.Connect(cas.conf)
+	if err != nil {
+		return false, fmt.Errorf("failed to connect to db: %w", err)
+	}
+
+	row := db.QueryRow(getApproval, claim.Email, claim.ClientID)
+	var expiry time.Time
+	if err := row.Scan(&expiry); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return false, nil
+		}
+		return false, fmt.Errorf("failed to run query: %w", err)
+	}
+
+	return time.Now().UTC().Before(expiry), nil
+}
+
+func New(conf *config.AppConfig) ApprovalService {
+	return &concreteApprovalService{conf: conf}
+}

polyculeconnect/services/db/db.go

@@ -0,0 +1,27 @@
+package db
+
+import (
+	"database/sql"
+	"errors"
+	"fmt"
+
+	"git.faercol.me/faercol/polyculeconnect/polyculeconnect/config"
+)
+
+type concreteDBService struct {
+}
+
+func connectSQLite(path string) (*sql.DB, error) {
+	return sql.Open("sqlite3", path)
+}
+
+func Connect(conf *config.AppConfig) (*sql.DB, error) {
+	switch conf.StorageType {
+	case string(config.Memory):
+		return nil, errors.New("no db for memory mode")
+	case string(config.SQLite):
+		return connectSQLite(conf.StorageConfig.File)
+	default:
+		return nil, fmt.Errorf("unsupported storage mode %q", conf.StorageType)
+	}
+}

polyculeconnect/static/scripts/approval.js

@@ -1,5 +1,10 @@
-let approvalForm = document.getElementById("approvalform");
+function submitApproval(approve) {
+  if (approve) {
+    document.getElementById("approval").value = "approve";
+  } else {
+    document.getElementById("approval").value = "rejected";
+  }
 
-approvalForm.addEventListener("submit", (e) => {
   handleSuccess();
-});
+  document.getElementById("approvalform").submit();
+}

polyculeconnect/templates/approval.html

@@ -16,18 +16,19 @@
         {{ end }}
     </div>
 
-    <div class="form-buttons" id="approvalform">
+
-        <form method="post" class="container-form">
+    <div class="form-buttons">
+        <form method="post" class="container-form" id="approvalform">
+            <div>
+                <input type="checkbox" id="rememberme" name="remember" class="form-checkbox">
+                <label for="remember-me" class="form-checkbox-label">Remember my choice</label>
+            </div>
             <input type="hidden" name="req" value="{{ .AuthReqID }}" />
-            <input type="hidden" name="approval" value="approve">
+            <input id="approval" type="hidden" name="approval" value="approve">
-            <button type="submit" class="button button-accept">
+            <button onclick="submitApproval(true)" class="button button-accept">
                 <span>Grant Access</span>
             </button>
-        </form>
+            <button onclick="submitApproval(false)" class="button button-cancel">
-        <form method="post" class="container-form">
-            <input type="hidden" name="req" value="{{ .AuthReqID }}" />
-            <input type="hidden" name="approval" value="rejected">
-            <button type="submit" class="button button-cancel">
                 <span>Cancel</span>
             </button>
         </form>