1056 lines
30 KiB
Go
1056 lines
30 KiB
Go
// Copyright (C) 2014 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at http://mozilla.org/MPL/2.0/.
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package main
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import (
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"bytes"
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"compress/gzip"
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"crypto/tls"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"mime"
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"net"
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"net/http"
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"os"
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"path/filepath"
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"reflect"
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"runtime"
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"strconv"
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"strings"
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"time"
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"github.com/calmh/logger"
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"github.com/syncthing/protocol"
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"github.com/syncthing/syncthing/lib/auto"
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"github.com/syncthing/syncthing/lib/config"
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"github.com/syncthing/syncthing/lib/db"
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"github.com/syncthing/syncthing/lib/discover"
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"github.com/syncthing/syncthing/lib/events"
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"github.com/syncthing/syncthing/lib/model"
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"github.com/syncthing/syncthing/lib/osutil"
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"github.com/syncthing/syncthing/lib/sync"
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"github.com/syncthing/syncthing/lib/upgrade"
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"github.com/vitrun/qart/qr"
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"golang.org/x/crypto/bcrypt"
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)
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type guiError struct {
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Time time.Time `json:"time"`
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Error string `json:"error"`
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}
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var (
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configInSync = true
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guiErrors = []guiError{}
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guiErrorsMut = sync.NewMutex()
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startTime = time.Now()
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)
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type apiSvc struct {
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id protocol.DeviceID
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cfg config.GUIConfiguration
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assetDir string
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model *model.Model
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listener net.Listener
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fss *folderSummarySvc
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stop chan struct{}
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systemConfigMut sync.Mutex
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eventSub *events.BufferedSubscription
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}
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func newAPISvc(id protocol.DeviceID, cfg config.GUIConfiguration, assetDir string, m *model.Model, eventSub *events.BufferedSubscription) (*apiSvc, error) {
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svc := &apiSvc{
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id: id,
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cfg: cfg,
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assetDir: assetDir,
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model: m,
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systemConfigMut: sync.NewMutex(),
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eventSub: eventSub,
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}
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var err error
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svc.listener, err = svc.getListener(cfg)
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return svc, err
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}
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func (s *apiSvc) getListener(cfg config.GUIConfiguration) (net.Listener, error) {
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cert, err := tls.LoadX509KeyPair(locations[locHTTPSCertFile], locations[locHTTPSKeyFile])
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if err != nil {
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l.Infoln("Loading HTTPS certificate:", err)
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l.Infoln("Creating new HTTPS certificate")
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// When generating the HTTPS certificate, use the system host name per
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// default. If that isn't available, use the "syncthing" default.
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var name string
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name, err = os.Hostname()
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if err != nil {
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name = tlsDefaultCommonName
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}
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cert, err = newCertificate(locations[locHTTPSCertFile], locations[locHTTPSKeyFile], name)
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}
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if err != nil {
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return nil, err
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}
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tlsCfg := &tls.Config{
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Certificates: []tls.Certificate{cert},
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MinVersion: tls.VersionTLS10, // No SSLv3
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CipherSuites: []uint16{
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// No RC4
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tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
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tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
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tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
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tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
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tls.TLS_RSA_WITH_AES_128_CBC_SHA,
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tls.TLS_RSA_WITH_AES_256_CBC_SHA,
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tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
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tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
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},
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}
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rawListener, err := net.Listen("tcp", cfg.Address)
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if err != nil {
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return nil, err
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}
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listener := &DowngradingListener{rawListener, tlsCfg}
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return listener, nil
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}
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func (s *apiSvc) Serve() {
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s.stop = make(chan struct{})
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l.AddHandler(logger.LevelWarn, s.showGuiError)
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// The GET handlers
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getRestMux := http.NewServeMux()
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getRestMux.HandleFunc("/rest/db/completion", s.getDBCompletion) // device folder
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getRestMux.HandleFunc("/rest/db/file", s.getDBFile) // folder file
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getRestMux.HandleFunc("/rest/db/ignores", s.getDBIgnores) // folder
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getRestMux.HandleFunc("/rest/db/need", s.getDBNeed) // folder [perpage] [page]
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getRestMux.HandleFunc("/rest/db/status", s.getDBStatus) // folder
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getRestMux.HandleFunc("/rest/db/browse", s.getDBBrowse) // folder [prefix] [dirsonly] [levels]
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getRestMux.HandleFunc("/rest/events", s.getEvents) // since [limit]
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getRestMux.HandleFunc("/rest/stats/device", s.getDeviceStats) // -
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getRestMux.HandleFunc("/rest/stats/folder", s.getFolderStats) // -
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getRestMux.HandleFunc("/rest/svc/deviceid", s.getDeviceID) // id
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getRestMux.HandleFunc("/rest/svc/lang", s.getLang) // -
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getRestMux.HandleFunc("/rest/svc/report", s.getReport) // -
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getRestMux.HandleFunc("/rest/system/browse", s.getSystemBrowse) // current
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getRestMux.HandleFunc("/rest/system/config", s.getSystemConfig) // -
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getRestMux.HandleFunc("/rest/system/config/insync", s.getSystemConfigInsync) // -
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getRestMux.HandleFunc("/rest/system/connections", s.getSystemConnections) // -
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getRestMux.HandleFunc("/rest/system/discovery", s.getSystemDiscovery) // -
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getRestMux.HandleFunc("/rest/system/error", s.getSystemError) // -
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getRestMux.HandleFunc("/rest/system/ping", s.restPing) // -
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getRestMux.HandleFunc("/rest/system/status", s.getSystemStatus) // -
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getRestMux.HandleFunc("/rest/system/upgrade", s.getSystemUpgrade) // -
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getRestMux.HandleFunc("/rest/system/version", s.getSystemVersion) // -
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// The POST handlers
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postRestMux := http.NewServeMux()
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postRestMux.HandleFunc("/rest/db/prio", s.postDBPrio) // folder file [perpage] [page]
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postRestMux.HandleFunc("/rest/db/ignores", s.postDBIgnores) // folder
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postRestMux.HandleFunc("/rest/db/override", s.postDBOverride) // folder
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postRestMux.HandleFunc("/rest/db/scan", s.postDBScan) // folder [sub...] [delay]
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postRestMux.HandleFunc("/rest/system/config", s.postSystemConfig) // <body>
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postRestMux.HandleFunc("/rest/system/discovery", s.postSystemDiscovery) // device addr
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postRestMux.HandleFunc("/rest/system/error", s.postSystemError) // <body>
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postRestMux.HandleFunc("/rest/system/error/clear", s.postSystemErrorClear) // -
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postRestMux.HandleFunc("/rest/system/ping", s.restPing) // -
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postRestMux.HandleFunc("/rest/system/reset", s.postSystemReset) // [folder]
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postRestMux.HandleFunc("/rest/system/restart", s.postSystemRestart) // -
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postRestMux.HandleFunc("/rest/system/shutdown", s.postSystemShutdown) // -
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postRestMux.HandleFunc("/rest/system/upgrade", s.postSystemUpgrade) // -
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// Debug endpoints, not for general use
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getRestMux.HandleFunc("/rest/debug/peerCompletion", s.getPeerCompletion)
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// A handler that splits requests between the two above and disables
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// caching
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restMux := noCacheMiddleware(getPostHandler(getRestMux, postRestMux))
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// The main routing handler
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mux := http.NewServeMux()
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mux.Handle("/rest/", restMux)
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mux.HandleFunc("/qr/", s.getQR)
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// Serve compiled in assets unless an asset directory was set (for development)
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mux.Handle("/", embeddedStatic{
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assetDir: s.assetDir,
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assets: auto.Assets(),
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})
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// Wrap everything in CSRF protection. The /rest prefix should be
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// protected, other requests will grant cookies.
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handler := csrfMiddleware(s.id.String()[:5], "/rest", s.cfg.APIKey, mux)
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// Add our version and ID as a header to responses
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handler = withDetailsMiddleware(s.id, handler)
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// Wrap everything in basic auth, if user/password is set.
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if len(s.cfg.User) > 0 && len(s.cfg.Password) > 0 {
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handler = basicAuthAndSessionMiddleware("sessionid-"+s.id.String()[:5], s.cfg, handler)
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}
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// Redirect to HTTPS if we are supposed to
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if s.cfg.UseTLS {
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handler = redirectToHTTPSMiddleware(handler)
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}
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if debugHTTP {
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handler = debugMiddleware(handler)
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}
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srv := http.Server{
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Handler: handler,
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ReadTimeout: 10 * time.Second,
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}
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s.fss = newFolderSummarySvc(s.model)
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defer s.fss.Stop()
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s.fss.ServeBackground()
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l.Infoln("API listening on", s.listener.Addr())
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err := srv.Serve(s.listener)
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// The return could be due to an intentional close. Wait for the stop
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// signal before returning. IF there is no stop signal within a second, we
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// assume it was unintentional and log the error before retrying.
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select {
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case <-s.stop:
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case <-time.After(time.Second):
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l.Warnln("API:", err)
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}
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}
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func (s *apiSvc) Stop() {
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close(s.stop)
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s.listener.Close()
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}
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func (s *apiSvc) String() string {
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return fmt.Sprintf("apiSvc@%p", s)
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}
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func (s *apiSvc) VerifyConfiguration(from, to config.Configuration) error {
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return nil
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}
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func (s *apiSvc) CommitConfiguration(from, to config.Configuration) bool {
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if to.GUI == from.GUI {
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return true
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}
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// Order here is important. We must close the listener to stop Serve(). We
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// must create a new listener before Serve() starts again. We can't create
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// a new listener on the same port before the previous listener is closed.
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// To assist in this little dance the Serve() method will wait for a
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// signal on the stop channel after the listener has closed.
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s.listener.Close()
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var err error
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s.listener, err = s.getListener(to.GUI)
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if err != nil {
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// Ideally this should be a verification error, but we check it by
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// creating a new listener which requires shutting down the previous
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// one first, which is too destructive for the VerifyConfiguration
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// method.
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return false
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}
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s.cfg = to.GUI
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close(s.stop)
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return true
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}
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func getPostHandler(get, post http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case "GET":
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get.ServeHTTP(w, r)
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case "POST":
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post.ServeHTTP(w, r)
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default:
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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}
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})
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}
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func debugMiddleware(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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t0 := time.Now()
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h.ServeHTTP(w, r)
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ms := 1000 * time.Since(t0).Seconds()
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// The variable `w` is most likely a *http.response, which we can't do
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// much with since it's a non exported type. We can however peek into
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// it with reflection to get at the status code and number of bytes
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// written.
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var status, written int64
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if rw := reflect.Indirect(reflect.ValueOf(w)); rw.IsValid() && rw.Kind() == reflect.Struct {
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if rf := rw.FieldByName("status"); rf.IsValid() && rf.Kind() == reflect.Int {
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status = rf.Int()
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}
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if rf := rw.FieldByName("written"); rf.IsValid() && rf.Kind() == reflect.Int64 {
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written = rf.Int()
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}
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}
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l.Debugf("http: %s %q: status %d, %d bytes in %.02f ms", r.Method, r.URL.String(), status, written, ms)
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})
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}
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func redirectToHTTPSMiddleware(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Add a generous access-control-allow-origin header since we may be
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// redirecting REST requests over protocols
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w.Header().Add("Access-Control-Allow-Origin", "*")
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if r.TLS == nil {
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// Redirect HTTP requests to HTTPS
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r.URL.Host = r.Host
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r.URL.Scheme = "https"
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http.Redirect(w, r, r.URL.String(), http.StatusFound)
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} else {
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h.ServeHTTP(w, r)
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}
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})
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}
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func noCacheMiddleware(h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "max-age=0, no-cache, no-store")
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w.Header().Set("Expires", time.Now().UTC().Format(http.TimeFormat))
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w.Header().Set("Pragma", "no-cache")
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h.ServeHTTP(w, r)
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})
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}
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func withDetailsMiddleware(id protocol.DeviceID, h http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("X-Syncthing-Version", Version)
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w.Header().Set("X-Syncthing-ID", id.String())
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h.ServeHTTP(w, r)
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})
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}
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func (s *apiSvc) restPing(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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json.NewEncoder(w).Encode(map[string]string{
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"ping": "pong",
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})
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}
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func (s *apiSvc) getSystemVersion(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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json.NewEncoder(w).Encode(map[string]string{
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"version": Version,
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"longVersion": LongVersion,
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"os": runtime.GOOS,
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"arch": runtime.GOARCH,
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})
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}
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func (s *apiSvc) getDBBrowse(w http.ResponseWriter, r *http.Request) {
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qs := r.URL.Query()
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folder := qs.Get("folder")
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prefix := qs.Get("prefix")
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dirsonly := qs.Get("dirsonly") != ""
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levels, err := strconv.Atoi(qs.Get("levels"))
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if err != nil {
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levels = -1
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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tree := s.model.GlobalDirectoryTree(folder, prefix, levels, dirsonly)
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json.NewEncoder(w).Encode(tree)
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}
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func (s *apiSvc) getDBCompletion(w http.ResponseWriter, r *http.Request) {
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var qs = r.URL.Query()
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var folder = qs.Get("folder")
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var deviceStr = qs.Get("device")
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device, err := protocol.DeviceIDFromString(deviceStr)
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if err != nil {
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http.Error(w, err.Error(), 500)
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return
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}
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res := map[string]float64{
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"completion": s.model.Completion(device, folder),
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}
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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json.NewEncoder(w).Encode(res)
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}
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func (s *apiSvc) getDBStatus(w http.ResponseWriter, r *http.Request) {
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qs := r.URL.Query()
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folder := qs.Get("folder")
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res := folderSummary(s.model, folder)
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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json.NewEncoder(w).Encode(res)
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}
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func folderSummary(m *model.Model, folder string) map[string]interface{} {
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var res = make(map[string]interface{})
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res["invalid"] = cfg.Folders()[folder].Invalid
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globalFiles, globalDeleted, globalBytes := m.GlobalSize(folder)
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res["globalFiles"], res["globalDeleted"], res["globalBytes"] = globalFiles, globalDeleted, globalBytes
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localFiles, localDeleted, localBytes := m.LocalSize(folder)
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res["localFiles"], res["localDeleted"], res["localBytes"] = localFiles, localDeleted, localBytes
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needFiles, needBytes := m.NeedSize(folder)
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res["needFiles"], res["needBytes"] = needFiles, needBytes
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res["inSyncFiles"], res["inSyncBytes"] = globalFiles-needFiles, globalBytes-needBytes
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var err error
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res["state"], res["stateChanged"], err = m.State(folder)
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if err != nil {
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res["error"] = err.Error()
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}
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lv, _ := m.CurrentLocalVersion(folder)
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rv, _ := m.RemoteLocalVersion(folder)
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res["version"] = lv + rv
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ignorePatterns, _, _ := m.GetIgnores(folder)
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res["ignorePatterns"] = false
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for _, line := range ignorePatterns {
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if len(line) > 0 && !strings.HasPrefix(line, "//") {
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res["ignorePatterns"] = true
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break
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}
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}
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return res
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}
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func (s *apiSvc) postDBOverride(w http.ResponseWriter, r *http.Request) {
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var qs = r.URL.Query()
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var folder = qs.Get("folder")
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go s.model.Override(folder)
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}
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func (s *apiSvc) getDBNeed(w http.ResponseWriter, r *http.Request) {
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qs := r.URL.Query()
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folder := qs.Get("folder")
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page, err := strconv.Atoi(qs.Get("page"))
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if err != nil || page < 1 {
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page = 1
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}
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perpage, err := strconv.Atoi(qs.Get("perpage"))
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if err != nil || perpage < 1 {
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perpage = 1 << 16
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}
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progress, queued, rest, total := s.model.NeedFolderFiles(folder, page, perpage)
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// Convert the struct to a more loose structure, and inject the size.
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output := map[string]interface{}{
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"progress": s.toNeedSlice(progress),
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"queued": s.toNeedSlice(queued),
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"rest": s.toNeedSlice(rest),
|
|
"total": total,
|
|
"page": page,
|
|
"perpage": perpage,
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(output)
|
|
}
|
|
|
|
func (s *apiSvc) getSystemConnections(w http.ResponseWriter, r *http.Request) {
|
|
var res = s.model.ConnectionStats()
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(res)
|
|
}
|
|
|
|
func (s *apiSvc) getDeviceStats(w http.ResponseWriter, r *http.Request) {
|
|
var res = s.model.DeviceStatistics()
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(res)
|
|
}
|
|
|
|
func (s *apiSvc) getFolderStats(w http.ResponseWriter, r *http.Request) {
|
|
var res = s.model.FolderStatistics()
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(res)
|
|
}
|
|
|
|
func (s *apiSvc) getDBFile(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
folder := qs.Get("folder")
|
|
file := qs.Get("file")
|
|
gf, _ := s.model.CurrentGlobalFile(folder, file)
|
|
lf, _ := s.model.CurrentFolderFile(folder, file)
|
|
|
|
av := s.model.Availability(folder, file)
|
|
json.NewEncoder(w).Encode(map[string]interface{}{
|
|
"global": jsonFileInfo(gf),
|
|
"local": jsonFileInfo(lf),
|
|
"availability": av,
|
|
})
|
|
}
|
|
|
|
func (s *apiSvc) getSystemConfig(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(cfg.Raw())
|
|
}
|
|
|
|
func (s *apiSvc) postSystemConfig(w http.ResponseWriter, r *http.Request) {
|
|
s.systemConfigMut.Lock()
|
|
defer s.systemConfigMut.Unlock()
|
|
|
|
var to config.Configuration
|
|
err := json.NewDecoder(r.Body).Decode(&to)
|
|
if err != nil {
|
|
l.Warnln("decoding posted config:", err)
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
if to.GUI.Password != cfg.GUI().Password {
|
|
if to.GUI.Password != "" {
|
|
hash, err := bcrypt.GenerateFromPassword([]byte(to.GUI.Password), 0)
|
|
if err != nil {
|
|
l.Warnln("bcrypting password:", err)
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
to.GUI.Password = string(hash)
|
|
}
|
|
}
|
|
|
|
// Fixup usage reporting settings
|
|
|
|
if curAcc := cfg.Options().URAccepted; to.Options.URAccepted > curAcc {
|
|
// UR was enabled
|
|
to.Options.URAccepted = usageReportVersion
|
|
to.Options.URUniqueID = randomString(8)
|
|
} else if to.Options.URAccepted < curAcc {
|
|
// UR was disabled
|
|
to.Options.URAccepted = -1
|
|
to.Options.URUniqueID = ""
|
|
}
|
|
|
|
// Activate and save
|
|
|
|
resp := cfg.Replace(to)
|
|
configInSync = !resp.RequiresRestart
|
|
cfg.Save()
|
|
}
|
|
|
|
func (s *apiSvc) getSystemConfigInsync(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(map[string]bool{"configInSync": configInSync})
|
|
}
|
|
|
|
func (s *apiSvc) postSystemRestart(w http.ResponseWriter, r *http.Request) {
|
|
s.flushResponse(`{"ok": "restarting"}`, w)
|
|
go restart()
|
|
}
|
|
|
|
func (s *apiSvc) postSystemReset(w http.ResponseWriter, r *http.Request) {
|
|
var qs = r.URL.Query()
|
|
folder := qs.Get("folder")
|
|
|
|
if len(folder) > 0 {
|
|
if _, ok := cfg.Folders()[folder]; !ok {
|
|
http.Error(w, "Invalid folder ID", 500)
|
|
return
|
|
}
|
|
}
|
|
|
|
if len(folder) == 0 {
|
|
// Reset all folders.
|
|
for folder := range cfg.Folders() {
|
|
s.model.ResetFolder(folder)
|
|
}
|
|
s.flushResponse(`{"ok": "resetting database"}`, w)
|
|
} else {
|
|
// Reset a specific folder, assuming it's supposed to exist.
|
|
s.model.ResetFolder(folder)
|
|
s.flushResponse(`{"ok": "resetting folder `+folder+`"}`, w)
|
|
}
|
|
|
|
go restart()
|
|
}
|
|
|
|
func (s *apiSvc) postSystemShutdown(w http.ResponseWriter, r *http.Request) {
|
|
s.flushResponse(`{"ok": "shutting down"}`, w)
|
|
go shutdown()
|
|
}
|
|
|
|
func (s *apiSvc) flushResponse(resp string, w http.ResponseWriter) {
|
|
w.Write([]byte(resp + "\n"))
|
|
f := w.(http.Flusher)
|
|
f.Flush()
|
|
}
|
|
|
|
var cpuUsagePercent [10]float64 // The last ten seconds
|
|
var cpuUsageLock = sync.NewRWMutex()
|
|
|
|
func (s *apiSvc) getSystemStatus(w http.ResponseWriter, r *http.Request) {
|
|
var m runtime.MemStats
|
|
runtime.ReadMemStats(&m)
|
|
|
|
tilde, _ := osutil.ExpandTilde("~")
|
|
res := make(map[string]interface{})
|
|
res["myID"] = myID.String()
|
|
res["goroutines"] = runtime.NumGoroutine()
|
|
res["alloc"] = m.Alloc
|
|
res["sys"] = m.Sys - m.HeapReleased
|
|
res["tilde"] = tilde
|
|
if cfg.Options().GlobalAnnEnabled && discoverer != nil {
|
|
res["extAnnounceOK"] = discoverer.ExtAnnounceOK()
|
|
}
|
|
cpuUsageLock.RLock()
|
|
var cpusum float64
|
|
for _, p := range cpuUsagePercent {
|
|
cpusum += p
|
|
}
|
|
cpuUsageLock.RUnlock()
|
|
res["cpuPercent"] = cpusum / float64(len(cpuUsagePercent)) / float64(runtime.NumCPU())
|
|
res["pathSeparator"] = string(filepath.Separator)
|
|
res["uptime"] = int(time.Since(startTime).Seconds())
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(res)
|
|
}
|
|
|
|
func (s *apiSvc) getSystemError(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
guiErrorsMut.Lock()
|
|
json.NewEncoder(w).Encode(map[string][]guiError{"errors": guiErrors})
|
|
guiErrorsMut.Unlock()
|
|
}
|
|
|
|
func (s *apiSvc) postSystemError(w http.ResponseWriter, r *http.Request) {
|
|
bs, _ := ioutil.ReadAll(r.Body)
|
|
r.Body.Close()
|
|
s.showGuiError(0, string(bs))
|
|
}
|
|
|
|
func (s *apiSvc) postSystemErrorClear(w http.ResponseWriter, r *http.Request) {
|
|
guiErrorsMut.Lock()
|
|
guiErrors = []guiError{}
|
|
guiErrorsMut.Unlock()
|
|
}
|
|
|
|
func (s *apiSvc) showGuiError(l logger.LogLevel, err string) {
|
|
guiErrorsMut.Lock()
|
|
guiErrors = append(guiErrors, guiError{time.Now(), err})
|
|
if len(guiErrors) > 5 {
|
|
guiErrors = guiErrors[len(guiErrors)-5:]
|
|
}
|
|
guiErrorsMut.Unlock()
|
|
}
|
|
|
|
func (s *apiSvc) postSystemDiscovery(w http.ResponseWriter, r *http.Request) {
|
|
var qs = r.URL.Query()
|
|
var device = qs.Get("device")
|
|
var addr = qs.Get("addr")
|
|
if len(device) != 0 && len(addr) != 0 && discoverer != nil {
|
|
discoverer.Hint(device, []string{addr})
|
|
}
|
|
}
|
|
|
|
func (s *apiSvc) getSystemDiscovery(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
devices := map[string][]discover.CacheEntry{}
|
|
|
|
if discoverer != nil {
|
|
// Device ids can't be marshalled as keys so we need to manually
|
|
// rebuild this map using strings. Discoverer may be nil if discovery
|
|
// has not started yet.
|
|
for device, entries := range discoverer.All() {
|
|
devices[device.String()] = entries
|
|
}
|
|
}
|
|
|
|
json.NewEncoder(w).Encode(devices)
|
|
}
|
|
|
|
func (s *apiSvc) getReport(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(reportData(s.model))
|
|
}
|
|
|
|
func (s *apiSvc) getDBIgnores(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
ignores, patterns, err := s.model.GetIgnores(qs.Get("folder"))
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
json.NewEncoder(w).Encode(map[string][]string{
|
|
"ignore": ignores,
|
|
"patterns": patterns,
|
|
})
|
|
}
|
|
|
|
func (s *apiSvc) postDBIgnores(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
|
|
var data map[string][]string
|
|
err := json.NewDecoder(r.Body).Decode(&data)
|
|
r.Body.Close()
|
|
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
err = s.model.SetIgnores(qs.Get("folder"), data["ignore"])
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
s.getDBIgnores(w, r)
|
|
}
|
|
|
|
func (s *apiSvc) getEvents(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
sinceStr := qs.Get("since")
|
|
limitStr := qs.Get("limit")
|
|
since, _ := strconv.Atoi(sinceStr)
|
|
limit, _ := strconv.Atoi(limitStr)
|
|
|
|
s.fss.gotEventRequest()
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
|
|
// Flush before blocking, to indicate that we've received the request
|
|
// and that it should not be retried.
|
|
f := w.(http.Flusher)
|
|
f.Flush()
|
|
|
|
evs := s.eventSub.Since(since, nil)
|
|
if 0 < limit && limit < len(evs) {
|
|
evs = evs[len(evs)-limit:]
|
|
}
|
|
|
|
json.NewEncoder(w).Encode(evs)
|
|
}
|
|
|
|
func (s *apiSvc) getSystemUpgrade(w http.ResponseWriter, r *http.Request) {
|
|
if noUpgrade {
|
|
http.Error(w, upgrade.ErrUpgradeUnsupported.Error(), 500)
|
|
return
|
|
}
|
|
rel, err := upgrade.LatestRelease(Version)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
res := make(map[string]interface{})
|
|
res["running"] = Version
|
|
res["latest"] = rel.Tag
|
|
res["newer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.Newer
|
|
res["majorNewer"] = upgrade.CompareVersions(rel.Tag, Version) == upgrade.MajorNewer
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(res)
|
|
}
|
|
|
|
func (s *apiSvc) getDeviceID(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
idStr := qs.Get("id")
|
|
id, err := protocol.DeviceIDFromString(idStr)
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
if err == nil {
|
|
json.NewEncoder(w).Encode(map[string]string{
|
|
"id": id.String(),
|
|
})
|
|
} else {
|
|
json.NewEncoder(w).Encode(map[string]string{
|
|
"error": err.Error(),
|
|
})
|
|
}
|
|
}
|
|
|
|
func (s *apiSvc) getLang(w http.ResponseWriter, r *http.Request) {
|
|
lang := r.Header.Get("Accept-Language")
|
|
var langs []string
|
|
for _, l := range strings.Split(lang, ",") {
|
|
parts := strings.SplitN(l, ";", 2)
|
|
langs = append(langs, strings.ToLower(strings.TrimSpace(parts[0])))
|
|
}
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(langs)
|
|
}
|
|
|
|
func (s *apiSvc) postSystemUpgrade(w http.ResponseWriter, r *http.Request) {
|
|
rel, err := upgrade.LatestRelease(Version)
|
|
if err != nil {
|
|
l.Warnln("getting latest release:", err)
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
if upgrade.CompareVersions(rel.Tag, Version) > upgrade.Equal {
|
|
err = upgrade.To(rel)
|
|
if err != nil {
|
|
l.Warnln("upgrading:", err)
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
|
|
s.flushResponse(`{"ok": "restarting"}`, w)
|
|
l.Infoln("Upgrading")
|
|
stop <- exitUpgrading
|
|
}
|
|
}
|
|
|
|
func (s *apiSvc) postDBScan(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
folder := qs.Get("folder")
|
|
if folder != "" {
|
|
nextStr := qs.Get("next")
|
|
next, err := strconv.Atoi(nextStr)
|
|
if err == nil {
|
|
s.model.DelayScan(folder, time.Duration(next)*time.Second)
|
|
}
|
|
|
|
subs := qs["sub"]
|
|
err = s.model.ScanFolderSubs(folder, subs)
|
|
if err != nil {
|
|
http.Error(w, err.Error(), 500)
|
|
return
|
|
}
|
|
} else {
|
|
errors := s.model.ScanFolders()
|
|
if len(errors) > 0 {
|
|
http.Error(w, "Error scanning folders", 500)
|
|
json.NewEncoder(w).Encode(errors)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (s *apiSvc) postDBPrio(w http.ResponseWriter, r *http.Request) {
|
|
qs := r.URL.Query()
|
|
folder := qs.Get("folder")
|
|
file := qs.Get("file")
|
|
s.model.BringToFront(folder, file)
|
|
s.getDBNeed(w, r)
|
|
}
|
|
|
|
func (s *apiSvc) getQR(w http.ResponseWriter, r *http.Request) {
|
|
var qs = r.URL.Query()
|
|
var text = qs.Get("text")
|
|
code, err := qr.Encode(text, qr.M)
|
|
if err != nil {
|
|
http.Error(w, "Invalid", 500)
|
|
return
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "image/png")
|
|
w.Write(code.PNG())
|
|
}
|
|
|
|
func (s *apiSvc) getPeerCompletion(w http.ResponseWriter, r *http.Request) {
|
|
tot := map[string]float64{}
|
|
count := map[string]float64{}
|
|
|
|
for _, folder := range cfg.Folders() {
|
|
for _, device := range folder.DeviceIDs() {
|
|
deviceStr := device.String()
|
|
if s.model.ConnectedTo(device) {
|
|
tot[deviceStr] += s.model.Completion(device, folder.ID)
|
|
} else {
|
|
tot[deviceStr] = 0
|
|
}
|
|
count[deviceStr]++
|
|
}
|
|
}
|
|
|
|
comp := map[string]int{}
|
|
for device := range tot {
|
|
comp[device] = int(tot[device] / count[device])
|
|
}
|
|
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
json.NewEncoder(w).Encode(comp)
|
|
}
|
|
|
|
func (s *apiSvc) getSystemBrowse(w http.ResponseWriter, r *http.Request) {
|
|
w.Header().Set("Content-Type", "application/json; charset=utf-8")
|
|
qs := r.URL.Query()
|
|
current := qs.Get("current")
|
|
search, _ := osutil.ExpandTilde(current)
|
|
pathSeparator := string(os.PathSeparator)
|
|
if strings.HasSuffix(current, pathSeparator) && !strings.HasSuffix(search, pathSeparator) {
|
|
search = search + pathSeparator
|
|
}
|
|
subdirectories, _ := osutil.Glob(search + "*")
|
|
ret := make([]string, 0, 10)
|
|
for _, subdirectory := range subdirectories {
|
|
info, err := os.Stat(subdirectory)
|
|
if err == nil && info.IsDir() {
|
|
ret = append(ret, subdirectory+pathSeparator)
|
|
if len(ret) > 9 {
|
|
break
|
|
}
|
|
}
|
|
}
|
|
json.NewEncoder(w).Encode(ret)
|
|
}
|
|
|
|
type embeddedStatic struct {
|
|
assetDir string
|
|
assets map[string][]byte
|
|
}
|
|
|
|
func (s embeddedStatic) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
|
file := r.URL.Path
|
|
|
|
if file[0] == '/' {
|
|
file = file[1:]
|
|
}
|
|
|
|
if len(file) == 0 {
|
|
file = "index.html"
|
|
}
|
|
|
|
if s.assetDir != "" {
|
|
p := filepath.Join(s.assetDir, filepath.FromSlash(file))
|
|
_, err := os.Stat(p)
|
|
if err == nil {
|
|
http.ServeFile(w, r, p)
|
|
return
|
|
}
|
|
}
|
|
|
|
bs, ok := s.assets[file]
|
|
if !ok {
|
|
http.NotFound(w, r)
|
|
return
|
|
}
|
|
|
|
if r.Header.Get("If-Modified-Since") == auto.AssetsBuildDate {
|
|
w.WriteHeader(http.StatusNotModified)
|
|
return
|
|
}
|
|
|
|
mtype := s.mimeTypeForFile(file)
|
|
if len(mtype) != 0 {
|
|
w.Header().Set("Content-Type", mtype)
|
|
}
|
|
if strings.Contains(r.Header.Get("Accept-Encoding"), "gzip") {
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
} else {
|
|
// ungzip if browser not send gzip accepted header
|
|
var gr *gzip.Reader
|
|
gr, _ = gzip.NewReader(bytes.NewReader(bs))
|
|
bs, _ = ioutil.ReadAll(gr)
|
|
gr.Close()
|
|
}
|
|
w.Header().Set("Content-Length", fmt.Sprintf("%d", len(bs)))
|
|
w.Header().Set("Last-Modified", auto.AssetsBuildDate)
|
|
w.Header().Set("Cache-Control", "public")
|
|
|
|
w.Write(bs)
|
|
}
|
|
|
|
func (s embeddedStatic) mimeTypeForFile(file string) string {
|
|
// We use a built in table of the common types since the system
|
|
// TypeByExtension might be unreliable. But if we don't know, we delegate
|
|
// to the system.
|
|
ext := filepath.Ext(file)
|
|
switch ext {
|
|
case ".htm", ".html":
|
|
return "text/html"
|
|
case ".css":
|
|
return "text/css"
|
|
case ".js":
|
|
return "application/javascript"
|
|
case ".json":
|
|
return "application/json"
|
|
case ".png":
|
|
return "image/png"
|
|
case ".ttf":
|
|
return "application/x-font-ttf"
|
|
case ".woff":
|
|
return "application/x-font-woff"
|
|
case ".svg":
|
|
return "image/svg+xml"
|
|
default:
|
|
return mime.TypeByExtension(ext)
|
|
}
|
|
}
|
|
|
|
func (s *apiSvc) toNeedSlice(fs []db.FileInfoTruncated) []jsonDBFileInfo {
|
|
res := make([]jsonDBFileInfo, len(fs))
|
|
for i, f := range fs {
|
|
res[i] = jsonDBFileInfo(f)
|
|
}
|
|
return res
|
|
}
|
|
|
|
// Type wrappers for nice JSON serialization
|
|
|
|
type jsonFileInfo protocol.FileInfo
|
|
|
|
func (f jsonFileInfo) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(map[string]interface{}{
|
|
"name": f.Name,
|
|
"size": protocol.FileInfo(f).Size(),
|
|
"flags": fmt.Sprintf("%#o", f.Flags),
|
|
"modified": time.Unix(f.Modified, 0),
|
|
"localVersion": f.LocalVersion,
|
|
"numBlocks": len(f.Blocks),
|
|
"version": jsonVersionVector(f.Version),
|
|
})
|
|
}
|
|
|
|
type jsonDBFileInfo db.FileInfoTruncated
|
|
|
|
func (f jsonDBFileInfo) MarshalJSON() ([]byte, error) {
|
|
return json.Marshal(map[string]interface{}{
|
|
"name": f.Name,
|
|
"size": db.FileInfoTruncated(f).Size(),
|
|
"flags": fmt.Sprintf("%#o", f.Flags),
|
|
"modified": time.Unix(f.Modified, 0),
|
|
"localVersion": f.LocalVersion,
|
|
"version": jsonVersionVector(f.Version),
|
|
})
|
|
}
|
|
|
|
type jsonVersionVector protocol.Vector
|
|
|
|
func (v jsonVersionVector) MarshalJSON() ([]byte, error) {
|
|
res := make([]string, len(v))
|
|
for i, c := range v {
|
|
res[i] = fmt.Sprintf("%d:%d", c.ID, c.Value)
|
|
}
|
|
return json.Marshal(res)
|
|
}
|