wip: rewrite to webservice library

db.go

@@ -6,11 +6,7 @@ import (
 	_ "github.com/lib/pq"
 
 	// Standard
-	"errors"
 	"fmt"
-	"io/fs"
-	"regexp"
-	"strconv"
 )
 
 var (
@@ -33,117 +29,6 @@ func dbInit() (err error) { // {{{
 	if db, err = sqlx.Connect("postgres", dbConn); err != nil {
 		return
 	}
-
-	if err = dbVerifyInternals(); err != nil {
-		return
-	}
-
-	err = dbUpdate()
-	return
-} // }}}
-func dbVerifyInternals() (err error) { // {{{
-	var rows *sqlx.Rows
-	if rows, err = db.Queryx(
-		`SELECT EXISTS (
-			SELECT FROM pg_catalog.pg_class c
-			JOIN   pg_catalog.pg_namespace n ON n.oid = c.relnamespace
-			WHERE  n.nspname = '_internal'
-			AND    c.relname = 'db'
-		)`,
-	); err != nil {
-		return
-	}
-	defer rows.Close()
-	var exists bool
-	rows.Next()
-	if err = rows.Scan(&exists); err != nil {
-		return
-	}
-
-	if !exists {
-		logger.Info("db", "op", "create_db", "db", "_internal.db")
-		if _, err = db.Exec(`
-			CREATE SCHEMA "_internal";
-
-			CREATE TABLE "_internal".db (
-				"key" varchar NOT NULL,
-				value varchar NULL,
-				CONSTRAINT db_pk PRIMARY KEY (key)
-			);
-
-			INSERT INTO _internal.db("key", "value")
-			VALUES('schema', '0');
-			`,
-		); err != nil {
-			return
-		}
-	}
-	return
-} // }}}
-func dbUpdate() (err error) { // {{{
-	/* Current schema revision is read from database.
-	 * Used to iterate through the embedded SQL updates
-	 * up to the db schema version currently compiled
-	 * program is made for. */
-	var rows *sqlx.Rows
-	var schemaStr string
-	var schema int
-	rows, err = db.Queryx(`SELECT value FROM _internal.db WHERE "key"='schema'`)
-	if err != nil {
-		return
-	}
-	defer rows.Close()
-
-	if !rows.Next() {
-		return errors.New("Table _interval.db missing schema row")
-	}
-
-	if err = rows.Scan(&schemaStr); err != nil {
-		return
-	}
-
-	// Run updates
-	schema, err = strconv.Atoi(schemaStr)
-	if err != nil {
-		return err
-	}
-	sqlSchemaVersion := sqlSchema()
-	for i := (schema + 1); i <= sqlSchemaVersion; i++ {
-		logger.Info("db", "op", "upgrade_schema", "schema", i)
-		sql, _ := embedded.ReadFile(
-			fmt.Sprintf("sql/%04d.sql", i),
-		)
-		_, err = db.Exec(string(sql))
-		if err != nil {
-			return
-		}
-		_, err = db.Exec(`UPDATE _internal.db SET "value"=$1 WHERE "key"='schema'`, i)
-		if err != nil {
-			return
-		}
-		logger.Info("db", "op", "upgrade_schema", "schema", i, "result", "ok")
-	}
-
-	return
-} // }}}
-func sqlSchema() (max int) { // {{{
-	var num int
-
-	files, _ := fs.ReadDir(embedded, "sql")
-	sqlFilename := regexp.MustCompile(`^([0-9]+)\.sql$`)
-
-	for _, file := range files {
-		fname := sqlFilename.FindStringSubmatch(file.Name())
-		if len(fname) != 2 {
-			continue
-		}
-		num, _ = strconv.Atoi(fname[1])
-	}
-
-	if num > max {
-		max = num
-	}
-
 	return
 } // }}}
 

file.go

@@ -5,7 +5,6 @@ import (
 	"github.com/jmoiron/sqlx"
 
 	// Standard
-	"fmt"
 	"time"
 )
 
@@ -20,11 +19,11 @@ type File struct {
 	Uploaded time.Time
 }
 
-func (session Session) AddFile(file *File) (err error) { // {{{
+func AddFile(userID int, file *File) (err error) { // {{{
-	file.UserID = session.UserID
+	file.UserID = userID
 
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		INSERT INTO file(user_id, node_id, filename, size, mime, md5)
 		VALUES($1, $2, $3, $4, $5, $6)
 		RETURNING id
@@ -43,12 +42,11 @@ func (session Session) AddFile(file *File) (err error) { // {{{
 
 	rows.Next()
 	err = rows.Scan(&file.ID)
-	fmt.Printf("%#v\n", file)
 	return
 } // }}}
-func (session Session) Files(nodeID, fileID int) (files []File, err error) { // {{{
+func Files(userID, nodeID, fileID int) (files []File, err error) { // {{{
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(
+	rows, err = service.Db.Conn.Queryx(
 		`SELECT *
 		FROM file
 		WHERE
@@ -58,7 +56,7 @@ func (session Session) Files(nodeID, fileID int) (files []File, err error) { //
 				WHEN 0 THEN true
 				ELSE id = $3
 			END`,
-		session.UserID,
+		userID,
 		nodeID,
 		fileID,
 	)

key.go

@@ -3,8 +3,6 @@ package main
 import (
 	// External
 	"github.com/jmoiron/sqlx"
-
-	// Standard
 )
 
 type Key struct {
@@ -14,9 +12,9 @@ type Key struct {
 	Key         string
 }
 
-func (session Session) Keys() (keys []Key, err error) {// {{{
+func Keys(userID int) (keys []Key, err error) { // {{{
 	var rows *sqlx.Rows
-	if rows, err = db.Queryx(`SELECT * FROM crypto_key WHERE user_id=$1`, session.UserID); err != nil {
+	if rows, err = service.Db.Conn.Queryx(`SELECT * FROM crypto_key WHERE user_id=$1`, userID); err != nil {
 		return
 	}
 	defer rows.Close()
@@ -31,14 +29,14 @@ func (session Session) Keys() (keys []Key, err error) {// {{{
 	}
 
 	return
-}// }}}
+} // }}}
-func (session Session) KeyCreate(description, keyEncoded string) (key Key, err error) {// {{{
+func KeyCreate(userID int, description, keyEncoded string) (key Key, err error) { // {{{
 	var row *sqlx.Rows
-	if row, err = db.Queryx(
+	if row, err = service.Db.Conn.Queryx(
 		`INSERT INTO crypto_key(user_id, description, key)
 		VALUES($1, $2, $3)
 		RETURNING *`,
-		session.UserID,
+		userID,
 		description,
 		keyEncoded,
 	); err != nil {
@@ -54,10 +52,10 @@ func (session Session) KeyCreate(description, keyEncoded string) (key Key, err e
 	}
 
 	return
-}// }}}
+} // }}}
-func (session Session) KeyCounter() (counter int64, err error) {// {{{
+func KeyCounter() (counter int64, err error) { // {{{
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`SELECT nextval('aes_ccm_counter') AS counter`)
+	rows, err = service.Db.Conn.Queryx(`SELECT nextval('aes_ccm_counter') AS counter`)
 	if err != nil {
 		return
 	}
@@ -66,6 +64,6 @@ func (session Session) KeyCounter() (counter int64, err error) {// {{{
 	rows.Next()
 	err = rows.Scan(&counter)
 	return
-}// }}}
+} // }}}
 
 // vim: foldmethod=marker

main.go

@@ -1,20 +1,23 @@
 package main
 
 import (
+	// External
+	"git.gibonuddevalla.se/go/webservice"
+
+	// Internal
+	"git.gibonuddevalla.se/go/webservice/session"
+
 	// Standard
 	"crypto/md5"
 	"embed"
 	"encoding/hex"
 	"flag"
 	"fmt"
-	"html/template"
 	"io"
 	"log/slog"
 	"net/http"
 	"os"
-	"path"
 	"path/filepath"
-	"regexp"
 	"strconv"
 	"strings"
 )
@@ -25,8 +28,10 @@ var (
 	flagPort       int
 	flagVersion    bool
 	flagCreateUser bool
+	flagCheckLocal bool
 	flagConfig     string
 
+	service           *webservice.Service
 	connectionManager ConnectionManager
 	static            http.Handler
 	config            Config
@@ -34,11 +39,24 @@ var (
 	VERSION           string
 
 	//go:embed version sql/*
-	embedded embed.FS
+	embeddedSQL embed.FS
+
+	//go:embed static
+	staticFS embed.FS
 )
 
+func sqlProvider(dbname string, version int) (sql []byte, found bool) {
+	var err error
+	sql, err = embeddedSQL.ReadFile(fmt.Sprintf("sql/%05d.sql", version))
+	if err != nil {
+		return
+	}
+	found = true
+	return
+}
+
 func init() { // {{{
-	version, _ := embedded.ReadFile("version")
+	version, _ := embeddedSQL.ReadFile("version")
 	VERSION = strings.TrimSpace(string(version))
 
 	opt := slog.HandlerOptions{}
@@ -48,6 +66,7 @@ func init() { // {{{
 	flag.IntVar(&flagPort, "port", 1371, "TCP port to listen on")
 	flag.BoolVar(&flagVersion, "version", false, "Shows Notes version and exists")
 	flag.BoolVar(&flagCreateUser, "createuser", false, "Create a user and exit")
+	flag.BoolVar(&flagCheckLocal, "checklocal", false, "Check for local static file before embedded")
 	flag.StringVar(&flagConfig, "config", configFilename, "Filename of configuration file")
 	flag.Parse()
 } // }}}
@@ -58,56 +77,47 @@ func main() { // {{{
 		fmt.Printf("%s\n", VERSION)
 		os.Exit(0)
 	}
-
 	logger.Info("application", "version", VERSION)
 
-	config, err = ConfigRead(flagConfig)
+	service, err = webservice.New(flagConfig, VERSION)
 	if err != nil {
-		logger.Error("config", "error", err)
+		logger.Error("application", "error", err)
 		os.Exit(1)
 	}
+	service.SetDatabase(sqlProvider)
+	service.SetStaticDirectory("static", true)
+	service.SetStaticFS(staticFS, "static")
 
-	if err = dbInit(); err != nil {
+	service.Register("/node/upload", true, true, nodeUpload)
-		logger.Error("db", "error", err)
+	service.Register("/node/tree", true, true, nodeTree)
-		os.Exit(1)
+	service.Register("/node/retrieve", true, true, nodeRetrieve)
-	}
+	service.Register("/node/create", true, true, nodeCreate)
+	service.Register("/node/update", true, true, nodeUpdate)
+	service.Register("/node/rename", true, true, nodeRename)
+	service.Register("/node/delete", true, true, nodeDelete)
+	service.Register("/node/download", true, true, nodeDownload)
+	service.Register("/node/search", true, true, nodeSearch)
+	service.Register("/key/retrieve", true, true, keyRetrieve)
+	service.Register("/key/create", true, true, keyCreate)
+	service.Register("/key/counter", true, true, keyCounter)
+	service.Register("/ws", false, false, service.WebsocketHandler)
+	service.Register("/", false, false, service.StaticHandler)
 
 	if flagCreateUser {
-		err = createUser()
+		service.CreateUserPrompt()
-		if err != nil {
-			logger.Error("db", "error", err)
-			os.Exit(1)
-		}
 		os.Exit(0)
 	}
 
+	err = service.Start()
+	if err != nil {
+		logger.Error("webserver", "error", err)
+		os.Exit(1)
+	}
+
 	connectionManager = NewConnectionManager()
 	go connectionManager.BroadcastLoop()
 
-	static = http.FileServer(http.Dir(config.Application.Directories.Static))
 	http.HandleFunc("/css_updated", cssUpdateHandler)
-	http.HandleFunc("/session/create", sessionCreate)
-	http.HandleFunc("/session/retrieve", sessionRetrieve)
-	http.HandleFunc("/session/authenticate", sessionAuthenticate)
-	http.HandleFunc("/user/password", userPassword)
-	http.HandleFunc("/node/tree", nodeTree)
-	http.HandleFunc("/node/retrieve", nodeRetrieve)
-	http.HandleFunc("/node/create", nodeCreate)
-	http.HandleFunc("/node/update", nodeUpdate)
-	http.HandleFunc("/node/rename", nodeRename)
-	http.HandleFunc("/node/delete", nodeDelete)
-	http.HandleFunc("/node/upload", nodeUpload)
-	http.HandleFunc("/node/download", nodeDownload)
-	http.HandleFunc("/node/search", nodeSearch)
-	http.HandleFunc("/key/retrieve", keyRetrieve)
-	http.HandleFunc("/key/create", keyCreate)
-	http.HandleFunc("/key/counter", keyCounter)
-	http.HandleFunc("/ws", websocketHandler)
-	http.HandleFunc("/", staticHandler)
-
-	listen := fmt.Sprintf("%s:%d", LISTEN_HOST, flagPort)
-	logger.Info("webserver", "listen", listen, "domains", config.Websocket.Domains)
-	http.ListenAndServe(listen, nil)
 } // }}}
 
 func cssUpdateHandler(w http.ResponseWriter, r *http.Request) { // {{{
@@ -127,108 +137,8 @@ func websocketHandler(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 } // }}}
-func staticHandler(w http.ResponseWriter, r *http.Request) { // {{{
-	data := struct {
-		VERSION string
-	}{
-		VERSION: VERSION,
-	}
-
-	// URLs with pattern /(css|images)/v1.0.0/foobar are stripped of the version.
-	// To get rid of problems with cached content in browser on a new version release,
-	// while also not disabling cache altogether.
-	logger.Debug("webserver", "request", r.URL.Path)
-	if r.URL.Path == "/favicon.ico" {
-		static.ServeHTTP(w, r)
-		return
-	}
-
-	rxp := regexp.MustCompile("^/(css|images|js|fonts)/v[0-9]+/(.*)$")
-	if comp := rxp.FindStringSubmatch(r.URL.Path); comp != nil {
-		r.URL.Path = fmt.Sprintf("/%s/%s", comp[1], comp[2])
-		static.ServeHTTP(w, r)
-		return
-	}
-
-	// Everything else is run through the template system.
-	// For now to get VERSION into files to fix caching.
-	logger.Debug("webserver", "template", r.URL.Path)
-	tmpl, err := newTemplate(r.URL.Path)
-	if err != nil {
-		if os.IsNotExist(err) {
-			w.WriteHeader(404)
-		}
-		w.Write([]byte(err.Error()))
-		return
-	}
-
-	if err = tmpl.Execute(w, data); err != nil {
-		w.Write([]byte(err.Error()))
-	}
-} // }}}
-
-func sessionCreate(w http.ResponseWriter, r *http.Request) { // {{{
-	logger.Info("webserver", "request", "/session/create")
-	session, err := CreateSession()
-	if err != nil {
-		responseError(w, err)
-		return
-	}
-	responseData(w, map[string]interface{}{
-		"OK":      true,
-		"Session": session,
-	})
-} // }}}
-func sessionRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
-	logger.Info("webserver", "request", "/session/retrieve")
-	var err error
-	var found bool
-	var session Session
-
-	if session, found, err = ValidateSession(r, false); err != nil {
-		responseError(w, err)
-		return
-	}
-
-	responseData(w, map[string]interface{}{
-		"OK":      true,
-		"Valid":   found,
-		"Session": session,
-	})
-} // }}}
-func sessionAuthenticate(w http.ResponseWriter, r *http.Request) { // {{{
-	logger.Info("webserver", "request", "/session/authenticate")
-	var err error
-	var session Session
-	var authenticated bool
-
-	// Validate session
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
-
-	req := struct {
-		Username string
-		Password string
-	}{}
-	if err = parseRequest(r, &req); err != nil {
-		responseError(w, err)
-		return
-	}
-
-	if authenticated, err = session.Authenticate(req.Username, req.Password); err != nil {
-		responseError(w, err)
-		return
-	}
-
-	responseData(w, map[string]interface{}{
-		"OK":            true,
-		"Authenticated": authenticated,
-		"Session":       session,
-	})
-} // }}}
 
+/*
 func userPassword(w http.ResponseWriter, r *http.Request) { // {{{
 	var err error
 	var ok bool
@@ -259,15 +169,10 @@ func userPassword(w http.ResponseWriter, r *http.Request) { // {{{
 		"CurrentPasswordOK": ok,
 	})
 } // }}}
+*/
 
-func nodeTree(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeTree(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	var err error
-	var session Session
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct{ StartNodeID int }{}
 	if err = parseRequest(r, &req); err != nil {
@@ -275,7 +180,7 @@ func nodeTree(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	nodes, err := session.NodeTree(req.StartNodeID)
+	nodes, err := NodeTree(sess.UserID, req.StartNodeID)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -286,15 +191,9 @@ func nodeTree(w http.ResponseWriter, r *http.Request) { // {{{
 		"Nodes": nodes,
 	})
 } // }}}
-func nodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeRetrieve(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
-	logger.Info("webserver", "request", "/node/retrieve")
 	var err error
-	var session Session
+	logger.Info("webserver", "request", "/node/retrieve")
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct{ ID int }{}
 	if err = parseRequest(r, &req); err != nil {
@@ -302,7 +201,7 @@ func nodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	node, err := session.Node(req.ID)
+	node, err := RetrieveNode(sess.UserID, req.ID)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -313,15 +212,9 @@ func nodeRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
 		"Node": node,
 	})
 } // }}}
-func nodeCreate(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeCreate(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/create")
 	var err error
-	var session Session
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct {
 		Name     string
@@ -332,7 +225,7 @@ func nodeCreate(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	node, err := session.CreateNode(req.ParentID, req.Name)
+	node, err := CreateNode(sess.UserID, req.ParentID, req.Name)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -343,15 +236,9 @@ func nodeCreate(w http.ResponseWriter, r *http.Request) { // {{{
 		"Node": node,
 	})
 } // }}}
-func nodeUpdate(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeUpdate(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/update")
 	var err error
-	var session Session
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct {
 		NodeID      int
@@ -363,7 +250,7 @@ func nodeUpdate(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	err = session.UpdateNode(req.NodeID, req.Content, req.CryptoKeyID)
+	err = UpdateNode(sess.UserID, req.NodeID, req.Content, req.CryptoKeyID)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -373,16 +260,9 @@ func nodeUpdate(w http.ResponseWriter, r *http.Request) { // {{{
 		"OK": true,
 	})
 } // }}}
-func nodeRename(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeRename(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
-	logger.Info("webserver", "request", "/node/rename")
-
 	var err error
-	var session Session
+	logger.Info("webserver", "request", "/node/rename")
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct {
 		NodeID int
@@ -393,7 +273,7 @@ func nodeRename(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	err = session.RenameNode(req.NodeID, req.Name)
+	err = RenameNode(sess.UserID, req.NodeID, req.Name)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -403,16 +283,9 @@ func nodeRename(w http.ResponseWriter, r *http.Request) { // {{{
 		"OK": true,
 	})
 } // }}}
-func nodeDelete(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeDelete(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
-	logger.Info("webserver", "request", "/node/delete")
-
 	var err error
-	var session Session
+	logger.Info("webserver", "request", "/node/delete")
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct {
 		NodeID int
@@ -422,7 +295,7 @@ func nodeDelete(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	err = session.DeleteNode(req.NodeID)
+	err = DeleteNode(sess.UserID, req.NodeID)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -432,15 +305,9 @@ func nodeDelete(w http.ResponseWriter, r *http.Request) { // {{{
 		"OK": true,
 	})
 } // }}}
-func nodeUpload(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeUpload(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/upload")
 	var err error
-	var session Session
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	// Parse our multipart form, 10 << 20 specifies a maximum
 	// upload of 10 MB files.
@@ -479,7 +346,7 @@ func nodeUpload(w http.ResponseWriter, r *http.Request) { // {{{
 		MIME:     handler.Header.Get("Content-Type"),
 		MD5:      md5sum,
 	}
-	if err = session.AddFile(&nodeFile); err != nil {
+	if err = AddFile(sess.UserID, &nodeFile); err != nil {
 		responseError(w, err)
 		return
 	}
@@ -516,17 +383,11 @@ func nodeUpload(w http.ResponseWriter, r *http.Request) { // {{{
 		"File": nodeFile,
 	})
 } // }}}
-func nodeDownload(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeDownload(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/download")
 	var err error
-	var session Session
 	var files []File
 
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
-
 	req := struct {
 		NodeID int
 		FileID int
@@ -536,7 +397,7 @@ func nodeDownload(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	files, err = session.Files(req.NodeID, req.FileID)
+	files, err = Files(sess.UserID, req.NodeID, req.FileID)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -583,17 +444,11 @@ func nodeDownload(w http.ResponseWriter, r *http.Request) { // {{{
 	}
 
 } // }}}
-func nodeFiles(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeFiles(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/files")
 	var err error
-	var session Session
 	var files []File
 
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
-
 	req := struct {
 		NodeID int
 	}{}
@@ -602,7 +457,7 @@ func nodeFiles(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	files, err = session.Files(req.NodeID, 0)
+	files, err = Files(sess.UserID, req.NodeID, 0)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -613,17 +468,11 @@ func nodeFiles(w http.ResponseWriter, r *http.Request) { // {{{
 		"Files": files,
 	})
 } // }}}
-func nodeSearch(w http.ResponseWriter, r *http.Request) { // {{{
+func nodeSearch(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/node/search")
 	var err error
-	var session Session
 	var nodes []Node
 
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
-
 	req := struct {
 		Search string
 	}{}
@@ -632,7 +481,7 @@ func nodeSearch(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	nodes, err = session.SearchNodes(req.Search)
+	nodes, err = SearchNodes(sess.UserID, req.Search)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -644,17 +493,11 @@ func nodeSearch(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 
-func keyRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
+func keyRetrieve(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/key/retrieve")
 	var err error
-	var session Session
 
-	if session, _, err = ValidateSession(r, true); err != nil {
+	keys, err := Keys(sess.UserID)
-		responseError(w, err)
-		return
-	}
-
-	keys, err := session.Keys()
 	if err != nil {
 		responseError(w, err)
 		return
@@ -665,15 +508,9 @@ func keyRetrieve(w http.ResponseWriter, r *http.Request) { // {{{
 		"Keys": keys,
 	})
 } // }}}
-func keyCreate(w http.ResponseWriter, r *http.Request) { // {{{
+func keyCreate(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/key/create")
 	var err error
-	var session Session
-
-	if session, _, err = ValidateSession(r, true); err != nil {
-		responseError(w, err)
-		return
-	}
 
 	req := struct {
 		Description string
@@ -684,7 +521,7 @@ func keyCreate(w http.ResponseWriter, r *http.Request) { // {{{
 		return
 	}
 
-	key, err := session.KeyCreate(req.Description, req.Key)
+	key, err := KeyCreate(sess.UserID, req.Description, req.Key)
 	if err != nil {
 		responseError(w, err)
 		return
@@ -695,17 +532,11 @@ func keyCreate(w http.ResponseWriter, r *http.Request) { // {{{
 		"Key": key,
 	})
 } // }}}
-func keyCounter(w http.ResponseWriter, r *http.Request) { // {{{
+func keyCounter(w http.ResponseWriter, r *http.Request, sess *session.T) { // {{{
 	logger.Info("webserver", "request", "/key/counter")
 	var err error
-	var session Session
 
-	if session, _, err = ValidateSession(r, true); err != nil {
+	counter, err := KeyCounter()
-		responseError(w, err)
-		return
-	}
-
-	counter, err := session.KeyCounter()
 	if err != nil {
 		responseError(w, err)
 		return
@@ -718,20 +549,4 @@ func keyCounter(w http.ResponseWriter, r *http.Request) { // {{{
 	})
 } // }}}
 
-func newTemplate(requestPath string) (tmpl *template.Template, err error) { // {{{
-	// Append index.html if needed for further reading of the file
-	p := requestPath
-	if p[len(p)-1] == '/' {
-		p += "index.html"
-	}
-	p = config.Application.Directories.Static + p
-
-	base := path.Base(p)
-	if tmpl, err = template.New(base).ParseFiles(p); err != nil {
-		return
-	}
-
-	return
-} // }}}
-
 // vim: foldmethod=marker

node.go

@@ -25,9 +25,9 @@ type Node struct {
 	ContentEncrypted string `db:"content_encrypted" json:"-"`
 }
 
-func (session Session) NodeTree(startNodeID int) (nodes []Node, err error) {// {{{
+func NodeTree(userID, startNodeID int) (nodes []Node, err error) {// {{{
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		WITH RECURSIVE nodetree AS (
 			SELECT
 				*,
@@ -62,7 +62,7 @@ func (session Session) NodeTree(startNodeID int) (nodes []Node, err error) {// {
 		ORDER BY
 			path ASC
 		`,
-		session.UserID,
+		userID,
 		startNodeID,
 	)
 	if err != nil {
@@ -87,9 +87,9 @@ func (session Session) NodeTree(startNodeID int) (nodes []Node, err error) {// {
 
 	return
 }// }}}
-func (session Session) RootNode() (node Node, err error) {// {{{
+func RootNode(userID int) (node Node, err error) {// {{{
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 			SELECT
 				id,
 				user_id,
@@ -100,7 +100,7 @@ func (session Session) RootNode() (node Node, err error) {// {{{
 				user_id = $1 AND
 				parent_id IS NULL
 		`,
-		session.UserID,
+		userID,
 	)
 	if err != nil {
 		return
@@ -108,7 +108,7 @@ func (session Session) RootNode() (node Node, err error) {// {{{
 	defer rows.Close()
 
 	node.Name = "Start"
-	node.UserID = session.UserID
+	node.UserID = userID
 	node.Complete = true
 	node.Children = []Node{}
 	node.Crumbs   = []Node{}
@@ -129,13 +129,13 @@ func (session Session) RootNode() (node Node, err error) {// {{{
 
 	return
 }// }}}
-func (session Session) Node(nodeID int) (node Node, err error) {// {{{
+func RetrieveNode(userID, nodeID int) (node Node, err error) {// {{{
 	if nodeID == 0 {
-		return session.RootNode()
+		return RootNode(userID)
 	}
 
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		WITH RECURSIVE recurse AS (
 			SELECT
 				id,
@@ -170,7 +170,7 @@ func (session Session) Node(nodeID int) (node Node, err error) {// {{{
 
 		SELECT * FROM recurse ORDER BY level ASC
 		`,
-		session.UserID,
+		userID,
 		nodeID,
 	)
 	if err != nil {
@@ -217,14 +217,14 @@ func (session Session) Node(nodeID int) (node Node, err error) {// {{{
 		}
 	}
 
-	node.Crumbs, err = session.NodeCrumbs(node.ID)
+	node.Crumbs, err = NodeCrumbs(node.ID)
-	node.Files, err = session.Files(node.ID, 0)
+	node.Files, err = Files(userID, node.ID, 0)
 
 	return
 }// }}}
-func (session Session) NodeCrumbs(nodeID int) (nodes []Node, err error) {// {{{
+func NodeCrumbs(nodeID int) (nodes []Node, err error) {// {{{
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		WITH RECURSIVE nodes AS (
 			SELECT
 				id,
@@ -260,10 +260,10 @@ func (session Session) NodeCrumbs(nodeID int) (nodes []Node, err error) {// {{{
 	}
 	return
 }// }}}
-func (session Session) CreateNode(parentID int, name string) (node Node, err error) {// {{{
+func CreateNode(userID, parentID int, name string) (node Node, err error) {// {{{
 	var rows *sqlx.Rows
 
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		INSERT INTO node(user_id, parent_id, name)
 		VALUES($1, NULLIF($2, 0)::integer, $3)
 		RETURNING
@@ -273,7 +273,7 @@ func (session Session) CreateNode(parentID int, name string) (node Node, err err
 			name,
 			content
 		`,
-		session.UserID,
+		userID,
 		parentID,
 		name,
 	)
@@ -292,12 +292,12 @@ func (session Session) CreateNode(parentID int, name string) (node Node, err err
 		node.Complete = true
 	}
 
-	node.Crumbs, err = session.NodeCrumbs(node.ID)
+	node.Crumbs, err = NodeCrumbs(node.ID)
 	return
 }// }}}
-func (session Session) UpdateNode(nodeID int, content string, cryptoKeyID int) (err error) {// {{{
+func UpdateNode(userID, nodeID int, content string, cryptoKeyID int) (err error) {// {{{
 	if cryptoKeyID > 0 {
-		_, err = db.Exec(`
+		_, err = service.Db.Conn.Exec(`
 			UPDATE node
 			SET
 				content = '',
@@ -313,10 +313,10 @@ func (session Session) UpdateNode(nodeID int, content string, cryptoKeyID int) (
 			content,
 			cryptoKeyID,
 			nodeID,
-			session.UserID,
+			userID,
 		)
 	} else {
-		_, err = db.Exec(`
+		_, err = service.Db.Conn.Exec(`
 			UPDATE node
 			SET
 				content = $1,
@@ -332,24 +332,24 @@ func (session Session) UpdateNode(nodeID int, content string, cryptoKeyID int) (
 			content,
 			cryptoKeyID,
 			nodeID,
-			session.UserID,
+			userID,
 		)
 	}
 
 	return
 }// }}}
-func (session Session) RenameNode(nodeID int, name string) (err error) {// {{{
+func RenameNode(userID, nodeID int, name string) (err error) {// {{{
-	_, err = db.Exec(`
+	_, err = service.Db.Conn.Exec(`
 		UPDATE node SET name = $1 WHERE user_id = $2 AND id = $3
 		`,
 		name,
-		session.UserID,
+		userID,
 		nodeID,
 	)
 	return
 }// }}}
-func (session Session) DeleteNode(nodeID int) (err error) {// {{{
+func DeleteNode(userID, nodeID int) (err error) {// {{{
-	_, err = db.Exec(`
+	_, err = service.Db.Conn.Exec(`
 		WITH RECURSIVE nodetree AS (
 			SELECT
 				id, parent_id
@@ -368,15 +368,15 @@ func (session Session) DeleteNode(nodeID int) (err error) {// {{{
 		DELETE FROM node WHERE id IN (
 			SELECT id FROM nodetree
 		)`,
-		session.UserID,
+		userID,
 		nodeID,
 	)
 	return
 }// }}}
-func (session Session) SearchNodes(search string) (nodes []Node, err error) {// {{{
+func SearchNodes(userID int, search string) (nodes []Node, err error) {// {{{
 	nodes = []Node{}
 	var rows *sqlx.Rows
-	rows, err = db.Queryx(`
+	rows, err = service.Db.Conn.Queryx(`
 		SELECT
 			id,
 			user_id,
@@ -385,14 +385,15 @@ func (session Session) SearchNodes(search string) (nodes []Node, err error) {//
 			updated
 		FROM node
 		WHERE
+			user_id = $1
 			crypto_key_id IS NULL AND
 			(
-				content ~* $1 OR
+				content ~* $2 OR
-				name ~* $1
+				name ~* $2
 			)
 		ORDER BY
 			updated DESC
-	`, search)
+	`, userID, search)
 	if err != nil {
 		return
 	}

session.go

@@ -1,119 +0,0 @@
-package main
-
-import (
-	// Standard
-	"database/sql"
-	"errors"
-	"fmt"
-	"net/http"
-	"time"
-)
-
-type Session struct {
-	UUID    string
-	UserID  int
-	Created time.Time
-}
-
-func CreateSession() (session Session, err error) {// {{{
-	var rows *sql.Rows
-	if rows, err = db.Query(`
-		INSERT INTO public.session(uuid)
-		VALUES(gen_random_uuid())
-		RETURNING uuid, created`,
-	); err != nil {
-		return
-	}
-	defer rows.Close()
-
-	if rows.Next() {
-		rows.Scan(&session.UUID, &session.Created)
-	}
-
-	return
-}// }}}
-
-func sessionUUID(r *http.Request) (string, error) {// {{{
-	headers := r.Header["X-Session-Id"]
-	if len(headers) > 0 {
-		return headers[0], nil
-	}
-	return "", errors.New("Invalid session")
-}// }}}
-func ValidateSession(r *http.Request, notFoundIsError bool) (session Session, found bool, err error) {// {{{
-	var uuid string
-	if uuid, err = sessionUUID(r); err != nil {
-		return
-	}
-
-	session.UUID = uuid
-	if found, err = session.Retrieve(); err != nil {
-		return
-	}
-
-	if notFoundIsError && !found {
-		err = errors.New("Invalid session")
-		return
-	}
-
-	return
-}// }}}
-
-func (session *Session) Retrieve() (found bool, err error) {// {{{
-	var rows *sql.Rows
-	if rows, err = db.Query(`
-		SELECT
-			uuid, user_id, created
-		FROM public.session
-		WHERE
-			uuid = $1 AND
-			created + $2::interval >= NOW()
-		`,
-		session.UUID,
-		fmt.Sprintf("%d days", config.Session.DaysValid),
-	); err != nil {
-		return
-	}
-	defer rows.Close()
-
-	found = false
-	if rows.Next() {
-		found = true
-		rows.Scan(&session.UUID, &session.UserID, &session.Created)
-	}
-
-	return
-}// }}}
-func (session *Session) Authenticate(username, password string) (authenticated bool, err error) {// {{{
-	var rows *sql.Rows
-	if rows, err = db.Query(`
-		SELECT id
-		FROM public.user
-		WHERE
-			username=$1 AND
-			password=password_hash(SUBSTRING(password FROM 1 FOR 32), $2::bytea)
-		`,
-		username,
-		password,
-	); err != nil {
-		return
-	}
-	defer rows.Close()
-
-	if rows.Next() {
-		rows.Scan(&session.UserID)
-		authenticated = session.UserID > 0
-	}
-
-	if authenticated {
-		_, err = db.Exec("UPDATE public.session SET user_id=$1 WHERE uuid=$2", session.UserID, session.UUID)
-		if err != nil {
-			return
-		}
-	}
-
-	return 
-}// }}}
-
-
-// vim: foldmethod=marker

sql/0013.sql

@@ -1,34 +0,0 @@
-/* Required for the gen_random_bytes function */
-CREATE EXTENSION pgcrypto;
-
-CREATE FUNCTION password_hash(salt_hex char(32), pass bytea)
-RETURNS char(96)
-LANGUAGE plpgsql
-AS
-$$
-BEGIN
-	RETURN (
-		SELECT
-			salt_hex ||
-			encode(
-				sha256(
-					decode(salt_hex, 'hex') || /* salt in binary */
-					pass                       /* password */
-				),
-				'hex'
-			)
-	);
-END;
-$$;
-
-/* Password has to be able to accommodate 96 characters instead of previous 64.
- * It can't be char(96), because then the password would be padded to 96 characters. */
-ALTER TABLE public."user" ALTER COLUMN "password" TYPE varchar(96) USING "password"::varchar;
-
-/* Update all users with salted and hashed passwords */
-UPDATE public.user
-SET password = password_hash( encode(gen_random_bytes(16),'hex'), password::bytea);
-
-/* After the password hashing, all passwords are now hex encoded 32 characters salt and 64 characters hash,
- * and the varchar type is not longer necessary. */
-ALTER TABLE public."user" ALTER COLUMN "password" TYPE char(96) USING "password"::varchar;

static/js/app.mjs

@@ -13,8 +13,8 @@ class App extends Component {
 		this.websocket = null
 		this.websocket_int_ping = null
 		this.websocket_int_reconnect = null
-		this.wsConnect()
+		//this.wsConnect() // XXX
-		this.wsLoop()
+		//this.wsLoop() // XXX
 
 		this.session = new Session(this)
 		this.session.initialize()
@@ -25,7 +25,7 @@ class App extends Component {
 
 		this.startNode = null
 
-		this.setStartNode()
+		//this.setStartNode()
 	}//}}}
 	render() {//{{{
 		let app_el = document.getElementById('app')
@@ -114,7 +114,7 @@ class App extends Component {
 			}
 
 			if(this.session.UUID !== '')
-				headers['X-Session-Id'] = this.session.UUID
+				headers['X-Session-ID'] = this.session.UUID
 
 			fetch(url, {
 				method: 'POST',
@@ -201,9 +201,24 @@ class Tree extends Component {
 		this.selectedTreeNode = null
 
 		this.props.app.tree = this
+		this.retrieve()
+	}//}}}
+	render({ app }) {//{{{
+		let renderedTreeTrunk = this.treeTrunk.map(node=>{
+			this.treeNodeComponents[node.ID] = createRef()
+			return html`<${TreeNode} key=${"treenode_"+node.ID} tree=${this} node=${node} ref=${this.treeNodeComponents[node.ID]} selected=${node.ID == app.startNode.ID} />`
+		})
+		return html`<div id="tree">${renderedTreeTrunk}</div>`
+	}//}}}
 
+	retrieve(callback = null) {//{{{
 		this.props.app.request('/node/tree', { StartNodeID: 0 })
 		.then(res=>{
+			this.treeNodes = {}
+			this.treeNodeComponents = {}
+			this.treeTrunk = []
+			this.selectedTreeNode = null
+
 			//  A tree of nodes is built. This requires the list of nodes
 			//  returned from the server to be sorted in such a way that
 			//  a parent node always appears before a child node.
@@ -235,17 +250,12 @@ class Tree extends Component {
 			this.crumbsUpdateNodes()
 			this.forceUpdate()
 
+			if(callback)
+				callback()
+
 		})
 		.catch(this.responseError)
 	}//}}}
-	render({ app }) {//{{{
-		let renderedTreeTrunk = this.treeTrunk.map(node=>{
-			this.treeNodeComponents[node.ID] = createRef()
-			return html`<${TreeNode} key=${"treenode_"+node.ID} tree=${this} node=${node} ref=${this.treeNodeComponents[node.ID]} selected=${node.ID == app.startNode.ID} />`
-		})
-		return html`<div id="tree">${renderedTreeTrunk}</div>`
-	}//}}}
-
 	setSelected(node) {//{{{
 		if(this.selectedTreeNode)
 			this.selectedTreeNode.selected.value = false

static/js/node.mjs

@@ -215,7 +215,14 @@ export class NodeUI extends Component {
 		let name = prompt("Name")
 		if(!name)
 			return
-		this.node.value.create(name, nodeID=>this.goToNode(nodeID))
+		this.node.value.create(name, nodeID=>{
+			console.log('before', this.props.app.startNode)
+			this.props.app.startNode = new Node(this.props.app, nodeID)
+			console.log('after', this.props.app.startNode)
+			this.props.app.tree.retrieve(()=>{
+				this.goToNode(nodeID)
+			})
+		})
 	}//}}}
 	saveNode() {//{{{
 		let nodeContent = this.nodeContent.current

static/js/session.mjs

@@ -10,11 +10,10 @@ export class Session {
 		// Retrieving the stored session UUID, if any.
 		// If one found, validate with server.
 
-
 		// If the browser doesn't know anything about a session,
 		// a call to /session/create is necessary to retrieve a session UUID.
-		let uuid= window.localStorage.getItem("session.UUID")
+		let uuid = window.localStorage.getItem("session.UUID")
-		if(uuid === null) {
+		if (uuid === null) {
 			this.create()
 			return
 		}
@@ -25,47 +24,47 @@ export class Session {
 		// A call to /session/retrieve with a session UUID validates that the
 		// session is still valid and returns all session information.
 		this.UUID = uuid
-		this.app.request('/session/retrieve', {})
+		this.app.request('/_session/retrieve', {})
-		.then(res=>{
+			.then(res => {
-			if(res.Valid) {
+				if (res.Error === undefined) {
-				// Session exists on server.
+					// Session exists on server.
-				// Not necessarily authenticated.
+					// Not necessarily authenticated.
-				this.UserID = res.Session.UserID // could be 0
+					this.UserID = res.UserID // could be 0
-				this.initialized = true
+					this.initialized = true
-				this.app.forceUpdate()
+					this.app.forceUpdate()
-			} else {
+				} else {
-				// Session has probably expired. A new is required.
+					// Session has probably expired. A new is required.
-				this.create()
+					this.create()
-			}
+				}
-		})
+			})
-		.catch(this.app.responseError)
+			.catch(this.app.responseError)
 	}//}}}
 	create() {//{{{
-		this.app.request('/session/create', {})
+		this.app.request('/_session/new', {})
-		.then(res=>{
+			.then(res => {
-			this.UUID = res.Session.UUID
+				this.UUID = res.Session.UUID
-			window.localStorage.setItem('session.UUID', this.UUID)
+				window.localStorage.setItem('session.UUID', this.Session.UUID)
-			this.initialized = true
+				this.initialized = true
-			this.app.forceUpdate()
+				this.app.forceUpdate()
-		})
+			})
-		.catch(this.responseError)
+			.catch(this.responseError)
 	}//}}}
 	authenticate(username, password) {//{{{
 		this.app.login.current.authentication_failed.value = false
 
-		this.app.request('/session/authenticate', {
+		this.app.request('/_session/authenticate', {
 			username,
 			password,
 		})
-		.then(res=>{
+			.then(res => {
-			if(res.Authenticated) {
+				if (res.Authenticated) {
-				this.UserID = res.Session.UserID
+					this.UserID = res.Session.UserID
-				this.app.forceUpdate()
+					this.app.forceUpdate()
-			} else {
+				} else {
-				this.app.login.current.authentication_failed.value = true
+					this.app.login.current.authentication_failed.value = true
-			}
+				}
-		})
+			})
-		.catch(this.app.responseError)
+			.catch(this.app.responseError)
 	}//}}}
 	authenticated() {//{{{
 		return this.UserID != 0

user.go

@@ -1,11 +1,6 @@
 package main
 
-import (
+/*
-	// Standard
-	"database/sql"
-	"fmt"
-)
-
 func (session Session) UpdatePassword(currPass, newPass string) (ok bool, err error) {
 	var result sql.Result
 	var rowsAffected int64
@@ -14,10 +9,10 @@ func (session Session) UpdatePassword(currPass, newPass string) (ok bool, err er
 		UPDATE public.user
 		SET
 			password = password_hash(
-				/* salt in hex */
+				/  salt in hex  /
 				ENCODE(gen_random_bytes(16), 'hex'),
 
-				/* password */
+				/  password  /
 				$1::bytea
 			)
 		WHERE
@@ -36,38 +31,4 @@ func (session Session) UpdatePassword(currPass, newPass string) (ok bool, err er
 
 	return rowsAffected > 0, nil
 }
-
+*/
-func createUser() (err error) {
-	var username, password string
-	fmt.Printf("Username: ")
-	fmt.Scanln(&username)
-	fmt.Printf("Password: ")
-	fmt.Scanln(&password)
-
-	err = CreateDbUser(username, password)
-	return
-}
-
-func CreateDbUser(username string, password string) (err error) {
-	var result sql.Result
-
-	result, err = db.Exec(`
-		INSERT INTO public.user(username, password)
-		VALUES(
-			$1,
-			password_hash(
-				/* salt in hex */
-				ENCODE(gen_random_bytes(16), 'hex'),
-
-				/* password */
-				$2::bytea
-			)
-		)
-	`,
-		username,
-		password,
-	)
-
-	_, err = result.RowsAffected()
-	return
-}