// Copyright (C) 2018 The Syncthing Authors. // // This Source Code Form is subject to the terms of the Mozilla Public // License, v. 2.0. If a copy of the MPL was not distributed with this file, // You can obtain one at https://mozilla.org/MPL/2.0/. package main import ( "bytes" "crypto/tls" "database/sql" "database/sql/driver" "encoding/json" "errors" "fmt" "html/template" "io" "io/ioutil" "log" "net" "net/http" "os" "regexp" "sort" "strings" "sync" "time" "unicode" "github.com/lib/pq" "github.com/oschwald/geoip2-golang" ) var ( useHTTP = os.Getenv("UR_USE_HTTP") != "" debug = os.Getenv("UR_DEBUG") != "" keyFile = getEnvDefault("UR_KEY_FILE", "key.pem") certFile = getEnvDefault("UR_CRT_FILE", "crt.pem") dbConn = getEnvDefault("UR_DB_URL", "postgres://user:password@localhost/ur?sslmode=disable") listenAddr = getEnvDefault("UR_LISTEN", "0.0.0.0:8443") geoIPPath = getEnvDefault("UR_GEOIP", "GeoLite2-City.mmdb") tpl *template.Template compilerRe = regexp.MustCompile(`\(([A-Za-z0-9()., -]+) \w+-\w+(?:| android| default)\) ([\w@.-]+)`) progressBarClass = []string{"", "progress-bar-success", "progress-bar-info", "progress-bar-warning", "progress-bar-danger"} featureOrder = []string{"Various", "Folder", "Device", "Connection", "GUI"} knownVersions = []string{"v2", "v3"} ) var funcs = map[string]interface{}{ "commatize": commatize, "number": number, "proportion": proportion, "counter": func() *counter { return &counter{} }, "progressBarClassByIndex": func(a int) string { return progressBarClass[a%len(progressBarClass)] }, "slice": func(numParts, whichPart int, input []feature) []feature { var part []feature perPart := (len(input) / numParts) + len(input)%2 parts := make([][]feature, 0, numParts) for len(input) >= perPart { part, input = input[:perPart], input[perPart:] parts = append(parts, part) } if len(input) > 0 { parts = append(parts, input[:]) } return parts[whichPart-1] }, } func getEnvDefault(key, def string) string { if val := os.Getenv(key); val != "" { return val } return def } type IntMap map[string]int func (p IntMap) Value() (driver.Value, error) { return json.Marshal(p) } func (p *IntMap) Scan(src interface{}) error { source, ok := src.([]byte) if !ok { return errors.New("Type assertion .([]byte) failed.") } var i map[string]int err := json.Unmarshal(source, &i) if err != nil { return err } *p = i return nil } type report struct { Received time.Time // Only from DB UniqueID string Version string LongVersion string Platform string NumFolders int NumDevices int TotFiles int FolderMaxFiles int TotMiB int FolderMaxMiB int MemoryUsageMiB int SHA256Perf float64 MemorySize int // v2 fields URVersion int NumCPU int FolderUses struct { SendOnly int ReceiveOnly int IgnorePerms int IgnoreDelete int AutoNormalize int SimpleVersioning int ExternalVersioning int StaggeredVersioning int TrashcanVersioning int } DeviceUses struct { Introducer int CustomCertName int CompressAlways int CompressMetadata int CompressNever int DynamicAddr int StaticAddr int } Announce struct { GlobalEnabled bool LocalEnabled bool DefaultServersDNS int DefaultServersIP int OtherServers int } Relays struct { Enabled bool DefaultServers int OtherServers int } UsesRateLimit bool UpgradeAllowedManual bool UpgradeAllowedAuto bool // V2.5 fields (fields that were in v2 but never added to the database UpgradeAllowedPre bool RescanIntvs pq.Int64Array // v3 fields Uptime int NATType string AlwaysLocalNets bool CacheIgnoredFiles bool OverwriteRemoteDeviceNames bool ProgressEmitterEnabled bool CustomDefaultFolderPath bool WeakHashSelection string CustomTrafficClass bool CustomTempIndexMinBlocks bool TemporariesDisabled bool TemporariesCustom bool LimitBandwidthInLan bool CustomReleaseURL bool RestartOnWakeup bool CustomStunServers bool FolderUsesV3 struct { ScanProgressDisabled int ConflictsDisabled int ConflictsUnlimited int ConflictsOther int DisableSparseFiles int DisableTempIndexes int AlwaysWeakHash int CustomWeakHashThreshold int FsWatcherEnabled int PullOrder IntMap FilesystemType IntMap FsWatcherDelays pq.Int64Array } GUIStats struct { Enabled int UseTLS int UseAuth int InsecureAdminAccess int Debugging int InsecureSkipHostCheck int InsecureAllowFrameLoading int ListenLocal int ListenUnspecified int Theme IntMap } BlockStats struct { Total int Renamed int Reused int Pulled int CopyOrigin int CopyOriginShifted int CopyElsewhere int } TransportStats IntMap IgnoreStats struct { Lines int Inverts int Folded int Deletable int Rooted int Includes int EscapedIncludes int DoubleStars int Stars int } // V3 fields added late in the RC WeakHashEnabled bool // Generated Date string Address string } func (r *report) Validate() error { if r.UniqueID == "" || r.Version == "" || r.Platform == "" { return fmt.Errorf("missing required field") } if len(r.Date) != 8 { return fmt.Errorf("date not initialized") } // Some fields may not be null. if r.RescanIntvs == nil { r.RescanIntvs = []int64{} } if r.FolderUsesV3.FsWatcherDelays == nil { r.FolderUsesV3.FsWatcherDelays = []int64{} } return nil } func (r *report) FieldPointers() []interface{} { // All the fields of the report, in the same order as the database fields. return []interface{}{ &r.Received, &r.UniqueID, &r.Version, &r.LongVersion, &r.Platform, &r.NumFolders, &r.NumDevices, &r.TotFiles, &r.FolderMaxFiles, &r.TotMiB, &r.FolderMaxMiB, &r.MemoryUsageMiB, &r.SHA256Perf, &r.MemorySize, &r.Date, // V2 &r.URVersion, &r.NumCPU, &r.FolderUses.SendOnly, &r.FolderUses.IgnorePerms, &r.FolderUses.IgnoreDelete, &r.FolderUses.AutoNormalize, &r.DeviceUses.Introducer, &r.DeviceUses.CustomCertName, &r.DeviceUses.CompressAlways, &r.DeviceUses.CompressMetadata, &r.DeviceUses.CompressNever, &r.DeviceUses.DynamicAddr, &r.DeviceUses.StaticAddr, &r.Announce.GlobalEnabled, &r.Announce.LocalEnabled, &r.Announce.DefaultServersDNS, &r.Announce.DefaultServersIP, &r.Announce.OtherServers, &r.Relays.Enabled, &r.Relays.DefaultServers, &r.Relays.OtherServers, &r.UsesRateLimit, &r.UpgradeAllowedManual, &r.UpgradeAllowedAuto, &r.FolderUses.SimpleVersioning, &r.FolderUses.ExternalVersioning, &r.FolderUses.StaggeredVersioning, &r.FolderUses.TrashcanVersioning, // V2.5 &r.UpgradeAllowedPre, &r.RescanIntvs, // V3 &r.Uptime, &r.NATType, &r.AlwaysLocalNets, &r.CacheIgnoredFiles, &r.OverwriteRemoteDeviceNames, &r.ProgressEmitterEnabled, &r.CustomDefaultFolderPath, &r.WeakHashSelection, &r.CustomTrafficClass, &r.CustomTempIndexMinBlocks, &r.TemporariesDisabled, &r.TemporariesCustom, &r.LimitBandwidthInLan, &r.CustomReleaseURL, &r.RestartOnWakeup, &r.CustomStunServers, &r.FolderUsesV3.ScanProgressDisabled, &r.FolderUsesV3.ConflictsDisabled, &r.FolderUsesV3.ConflictsUnlimited, &r.FolderUsesV3.ConflictsOther, &r.FolderUsesV3.DisableSparseFiles, &r.FolderUsesV3.DisableTempIndexes, &r.FolderUsesV3.AlwaysWeakHash, &r.FolderUsesV3.CustomWeakHashThreshold, &r.FolderUsesV3.FsWatcherEnabled, &r.FolderUsesV3.PullOrder, &r.FolderUsesV3.FilesystemType, &r.FolderUsesV3.FsWatcherDelays, &r.GUIStats.Enabled, &r.GUIStats.UseTLS, &r.GUIStats.UseAuth, &r.GUIStats.InsecureAdminAccess, &r.GUIStats.Debugging, &r.GUIStats.InsecureSkipHostCheck, &r.GUIStats.InsecureAllowFrameLoading, &r.GUIStats.ListenLocal, &r.GUIStats.ListenUnspecified, &r.GUIStats.Theme, &r.BlockStats.Total, &r.BlockStats.Renamed, &r.BlockStats.Reused, &r.BlockStats.Pulled, &r.BlockStats.CopyOrigin, &r.BlockStats.CopyOriginShifted, &r.BlockStats.CopyElsewhere, &r.TransportStats, &r.IgnoreStats.Lines, &r.IgnoreStats.Inverts, &r.IgnoreStats.Folded, &r.IgnoreStats.Deletable, &r.IgnoreStats.Rooted, &r.IgnoreStats.Includes, &r.IgnoreStats.EscapedIncludes, &r.IgnoreStats.DoubleStars, &r.IgnoreStats.Stars, // V3 added late in the RC &r.WeakHashEnabled, &r.Address, // Receive only folders &r.FolderUses.ReceiveOnly, } } func (r *report) FieldNames() []string { // The database fields that back this struct in PostgreSQL return []string{ // V1 "Received", "UniqueID", "Version", "LongVersion", "Platform", "NumFolders", "NumDevices", "TotFiles", "FolderMaxFiles", "TotMiB", "FolderMaxMiB", "MemoryUsageMiB", "SHA256Perf", "MemorySize", "Date", // V2 "ReportVersion", "NumCPU", "FolderRO", "FolderIgnorePerms", "FolderIgnoreDelete", "FolderAutoNormalize", "DeviceIntroducer", "DeviceCustomCertName", "DeviceCompressAlways", "DeviceCompressMetadata", "DeviceCompressNever", "DeviceDynamicAddr", "DeviceStaticAddr", "AnnounceGlobalEnabled", "AnnounceLocalEnabled", "AnnounceDefaultServersDNS", "AnnounceDefaultServersIP", "AnnounceOtherServers", "RelayEnabled", "RelayDefaultServers", "RelayOtherServers", "RateLimitEnabled", "UpgradeAllowedManual", "UpgradeAllowedAuto", // v0.12.19+ "FolderSimpleVersioning", "FolderExternalVersioning", "FolderStaggeredVersioning", "FolderTrashcanVersioning", // V2.5 "UpgradeAllowedPre", "RescanIntvs", // V3 "Uptime", "NATType", "AlwaysLocalNets", "CacheIgnoredFiles", "OverwriteRemoteDeviceNames", "ProgressEmitterEnabled", "CustomDefaultFolderPath", "WeakHashSelection", "CustomTrafficClass", "CustomTempIndexMinBlocks", "TemporariesDisabled", "TemporariesCustom", "LimitBandwidthInLan", "CustomReleaseURL", "RestartOnWakeup", "CustomStunServers", "FolderScanProgressDisabled", "FolderConflictsDisabled", "FolderConflictsUnlimited", "FolderConflictsOther", "FolderDisableSparseFiles", "FolderDisableTempIndexes", "FolderAlwaysWeakHash", "FolderCustomWeakHashThreshold", "FolderFsWatcherEnabled", "FolderPullOrder", "FolderFilesystemType", "FolderFsWatcherDelays", "GUIEnabled", "GUIUseTLS", "GUIUseAuth", "GUIInsecureAdminAccess", "GUIDebugging", "GUIInsecureSkipHostCheck", "GUIInsecureAllowFrameLoading", "GUIListenLocal", "GUIListenUnspecified", "GUITheme", "BlocksTotal", "BlocksRenamed", "BlocksReused", "BlocksPulled", "BlocksCopyOrigin", "BlocksCopyOriginShifted", "BlocksCopyElsewhere", "Transport", "IgnoreLines", "IgnoreInverts", "IgnoreFolded", "IgnoreDeletable", "IgnoreRooted", "IgnoreIncludes", "IgnoreEscapedIncludes", "IgnoreDoubleStars", "IgnoreStars", // V3 added late in the RC "WeakHashEnabled", "Address", // Receive only folders "FolderRecvOnly", } } func setupDB(db *sql.DB) error { _, err := db.Exec(`CREATE TABLE IF NOT EXISTS Reports ( Received TIMESTAMP NOT NULL, UniqueID VARCHAR(32) NOT NULL, Version VARCHAR(32) NOT NULL, LongVersion VARCHAR(256) NOT NULL, Platform VARCHAR(32) NOT NULL, NumFolders INTEGER NOT NULL, NumDevices INTEGER NOT NULL, TotFiles INTEGER NOT NULL, FolderMaxFiles INTEGER NOT NULL, TotMiB INTEGER NOT NULL, FolderMaxMiB INTEGER NOT NULL, MemoryUsageMiB INTEGER NOT NULL, SHA256Perf DOUBLE PRECISION NOT NULL, MemorySize INTEGER NOT NULL, Date VARCHAR(8) NOT NULL )`) if err != nil { return err } var t string row := db.QueryRow(`SELECT 'UniqueIDIndex'::regclass`) if err := row.Scan(&t); err != nil { if _, err = db.Exec(`CREATE UNIQUE INDEX UniqueIDIndex ON Reports (Date, UniqueID)`); err != nil { return err } } row = db.QueryRow(`SELECT 'ReceivedIndex'::regclass`) if err := row.Scan(&t); err != nil { if _, err = db.Exec(`CREATE INDEX ReceivedIndex ON Reports (Received)`); err != nil { return err } } // V2 row = db.QueryRow(`SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = 'reports') AND attname = 'reportversion'`) if err := row.Scan(&t); err != nil { // The ReportVersion column doesn't exist; add the new columns. _, err = db.Exec(`ALTER TABLE Reports ADD COLUMN ReportVersion INTEGER NOT NULL DEFAULT 0, ADD COLUMN NumCPU INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderRO INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderIgnorePerms INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderIgnoreDelete INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderAutoNormalize INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceIntroducer INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceCustomCertName INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceCompressAlways INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceCompressMetadata INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceCompressNever INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceDynamicAddr INTEGER NOT NULL DEFAULT 0, ADD COLUMN DeviceStaticAddr INTEGER NOT NULL DEFAULT 0, ADD COLUMN AnnounceGlobalEnabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN AnnounceLocalEnabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN AnnounceDefaultServersDNS INTEGER NOT NULL DEFAULT 0, ADD COLUMN AnnounceDefaultServersIP INTEGER NOT NULL DEFAULT 0, ADD COLUMN AnnounceOtherServers INTEGER NOT NULL DEFAULT 0, ADD COLUMN RelayEnabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN RelayDefaultServers INTEGER NOT NULL DEFAULT 0, ADD COLUMN RelayOtherServers INTEGER NOT NULL DEFAULT 0, ADD COLUMN RateLimitEnabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN UpgradeAllowedManual BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN UpgradeAllowedAuto BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN FolderSimpleVersioning INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderExternalVersioning INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderStaggeredVersioning INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderTrashcanVersioning INTEGER NOT NULL DEFAULT 0 `) if err != nil { return err } } row = db.QueryRow(`SELECT 'ReportVersionIndex'::regclass`) if err := row.Scan(&t); err != nil { if _, err = db.Exec(`CREATE INDEX ReportVersionIndex ON Reports (ReportVersion)`); err != nil { return err } } // V2.5 row = db.QueryRow(`SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = 'reports') AND attname = 'upgradeallowedpre'`) if err := row.Scan(&t); err != nil { // The ReportVersion column doesn't exist; add the new columns. _, err = db.Exec(`ALTER TABLE Reports ADD COLUMN UpgradeAllowedPre BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN RescanIntvs INT[] NOT NULL DEFAULT '{}' `) if err != nil { return err } } // V3 row = db.QueryRow(`SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = 'reports') AND attname = 'uptime'`) if err := row.Scan(&t); err != nil { // The Uptime column doesn't exist; add the new columns. _, err = db.Exec(`ALTER TABLE Reports ADD COLUMN Uptime INTEGER NOT NULL DEFAULT 0, ADD COLUMN NATType VARCHAR(32) NOT NULL DEFAULT '', ADD COLUMN AlwaysLocalNets BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN CacheIgnoredFiles BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN OverwriteRemoteDeviceNames BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN ProgressEmitterEnabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN CustomDefaultFolderPath BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN WeakHashSelection VARCHAR(32) NOT NULL DEFAULT '', ADD COLUMN CustomTrafficClass BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN CustomTempIndexMinBlocks BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN TemporariesDisabled BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN TemporariesCustom BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN LimitBandwidthInLan BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN CustomReleaseURL BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN RestartOnWakeup BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN CustomStunServers BOOLEAN NOT NULL DEFAULT FALSE, ADD COLUMN FolderScanProgressDisabled INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderConflictsDisabled INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderConflictsUnlimited INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderConflictsOther INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderDisableSparseFiles INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderDisableTempIndexes INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderAlwaysWeakHash INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderCustomWeakHashThreshold INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderFsWatcherEnabled INTEGER NOT NULL DEFAULT 0, ADD COLUMN FolderPullOrder JSONB NOT NULL DEFAULT '{}', ADD COLUMN FolderFilesystemType JSONB NOT NULL DEFAULT '{}', ADD COLUMN FolderFsWatcherDelays INT[] NOT NULL DEFAULT '{}', ADD COLUMN GUIEnabled INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIUseTLS INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIUseAuth INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIInsecureAdminAccess INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIDebugging INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIInsecureSkipHostCheck INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIInsecureAllowFrameLoading INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIListenLocal INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUIListenUnspecified INTEGER NOT NULL DEFAULT 0, ADD COLUMN GUITheme JSONB NOT NULL DEFAULT '{}', ADD COLUMN BlocksTotal INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksRenamed INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksReused INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksPulled INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksCopyOrigin INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksCopyOriginShifted INTEGER NOT NULL DEFAULT 0, ADD COLUMN BlocksCopyElsewhere INTEGER NOT NULL DEFAULT 0, ADD COLUMN Transport JSONB NOT NULL DEFAULT '{}', ADD COLUMN IgnoreLines INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreInverts INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreFolded INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreDeletable INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreRooted INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreIncludes INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreEscapedIncludes INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreDoubleStars INTEGER NOT NULL DEFAULT 0, ADD COLUMN IgnoreStars INTEGER NOT NULL DEFAULT 0 `) if err != nil { return err } } // V3 added late in the RC row = db.QueryRow(`SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = 'reports') AND attname = 'weakhashenabled'`) if err := row.Scan(&t); err != nil { // The WeakHashEnabled column doesn't exist; add the new columns. _, err = db.Exec(`ALTER TABLE Reports ADD COLUMN WeakHashEnabled BOOLEAN NOT NULL DEFAULT FALSE ADD COLUMN Address VARCHAR(45) NOT NULL DEFAULT '' `) if err != nil { return err } } // Receive only added ad-hoc row = db.QueryRow(`SELECT attname FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = 'reports') AND attname = 'folderrecvonly'`) if err := row.Scan(&t); err != nil { // The RecvOnly column doesn't exist; add it. _, err = db.Exec(`ALTER TABLE Reports ADD COLUMN FolderRecvOnly INTEGER NOT NULL DEFAULT 0 `) if err != nil { return err } } return nil } func insertReport(db *sql.DB, r report) error { r.Received = time.Now().UTC() fields := r.FieldPointers() params := make([]string, len(fields)) for i := range params { params[i] = fmt.Sprintf("$%d", i+1) } query := "INSERT INTO Reports (" + strings.Join(r.FieldNames(), ", ") + ") VALUES (" + strings.Join(params, ", ") + ")" _, err := db.Exec(query, fields...) return err } type withDBFunc func(*sql.DB, http.ResponseWriter, *http.Request) func withDB(db *sql.DB, f withDBFunc) http.HandlerFunc { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { f(db, w, r) }) } func main() { log.SetFlags(log.Ltime | log.Ldate | log.Lshortfile) log.SetOutput(os.Stdout) // Template fd, err := os.Open("static/index.html") if err != nil { log.Fatalln("template:", err) } bs, err := ioutil.ReadAll(fd) if err != nil { log.Fatalln("template:", err) } fd.Close() tpl = template.Must(template.New("index.html").Funcs(funcs).Parse(string(bs))) // DB db, err := sql.Open("postgres", dbConn) if err != nil { log.Fatalln("database:", err) } err = setupDB(db) if err != nil { log.Fatalln("database:", err) } // TLS & Listening var listener net.Listener if useHTTP { listener, err = net.Listen("tcp", listenAddr) } else { cert, err := tls.LoadX509KeyPair(certFile, keyFile) if err != nil { log.Fatalln("tls:", err) } cfg := &tls.Config{ Certificates: []tls.Certificate{cert}, SessionTicketsDisabled: true, } listener, err = tls.Listen("tcp", listenAddr, cfg) } if err != nil { log.Fatalln("listen:", err) } srv := http.Server{ ReadTimeout: 5 * time.Second, WriteTimeout: 15 * time.Second, } http.HandleFunc("/", withDB(db, rootHandler)) http.HandleFunc("/newdata", withDB(db, newDataHandler)) http.HandleFunc("/summary.json", withDB(db, summaryHandler)) http.HandleFunc("/movement.json", withDB(db, movementHandler)) http.HandleFunc("/performance.json", withDB(db, performanceHandler)) http.HandleFunc("/blockstats.json", withDB(db, blockStatsHandler)) http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static")))) err = srv.Serve(listener) if err != nil { log.Fatalln("https:", err) } } var ( cacheData []byte cacheTime time.Time cacheMut sync.Mutex ) const maxCacheTime = 5 * 60 * time.Second func rootHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { if r.URL.Path == "/" || r.URL.Path == "/index.html" { cacheMut.Lock() defer cacheMut.Unlock() if time.Since(cacheTime) > maxCacheTime { rep := getReport(db) buf := new(bytes.Buffer) err := tpl.Execute(buf, rep) if err != nil { log.Println(err) http.Error(w, "Template Error", http.StatusInternalServerError) return } cacheData = buf.Bytes() cacheTime = time.Now() } w.Header().Set("Content-Type", "text/html; charset=utf-8") w.Write(cacheData) } else { http.Error(w, "Not found", 404) return } } func newDataHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { defer r.Body.Close() addr := r.Header.Get("X-Forwarded-For") if addr != "" { addr = strings.Split(addr, ", ")[0] } else { addr = r.RemoteAddr } if host, _, err := net.SplitHostPort(addr); err == nil { addr = host } if net.ParseIP(addr) == nil { addr = "" } var rep report rep.Date = time.Now().UTC().Format("20060102") rep.Address = addr lr := &io.LimitedReader{R: r.Body, N: 40 * 1024} bs, _ := ioutil.ReadAll(lr) if err := json.Unmarshal(bs, &rep); err != nil { log.Println("decode:", err) if debug { log.Printf("%s", bs) } http.Error(w, "JSON Decode Error", http.StatusInternalServerError) return } if err := rep.Validate(); err != nil { log.Println("validate:", err) if debug { log.Printf("%#v", rep) } http.Error(w, "Validation Error", http.StatusInternalServerError) return } if err := insertReport(db, rep); err != nil { log.Println("insert:", err) if debug { log.Printf("%#v", rep) } http.Error(w, "Database Error", http.StatusInternalServerError) return } } func summaryHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { s, err := getSummary(db) if err != nil { log.Println("summaryHandler:", err) http.Error(w, "Database Error", http.StatusInternalServerError) return } bs, err := s.MarshalJSON() if err != nil { log.Println("summaryHandler:", err) http.Error(w, "JSON Encode Error", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(bs) } func movementHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { s, err := getMovement(db) if err != nil { log.Println("movementHandler:", err) http.Error(w, "Database Error", http.StatusInternalServerError) return } bs, err := json.Marshal(s) if err != nil { log.Println("movementHandler:", err) http.Error(w, "JSON Encode Error", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(bs) } func performanceHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { s, err := getPerformance(db) if err != nil { log.Println("performanceHandler:", err) http.Error(w, "Database Error", http.StatusInternalServerError) return } bs, err := json.Marshal(s) if err != nil { log.Println("performanceHandler:", err) http.Error(w, "JSON Encode Error", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(bs) } func blockStatsHandler(db *sql.DB, w http.ResponseWriter, r *http.Request) { s, err := getBlockStats(db) if err != nil { log.Println("blockStatsHandler:", err) http.Error(w, "Database Error", http.StatusInternalServerError) return } bs, err := json.Marshal(s) if err != nil { log.Println("blockStatsHandler:", err) http.Error(w, "JSON Encode Error", http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") w.Write(bs) } type category struct { Values [4]float64 Key string Descr string Unit string Type NumberType } type feature struct { Key string Version string Count int Pct float64 } type featureGroup struct { Key string Version string Counts map[string]int } // Used in the templates type counter struct { n int } func (c *counter) Current() int { return c.n } func (c *counter) Increment() string { c.n++ return "" } func (c *counter) DrawTwoDivider() bool { return c.n != 0 && c.n%2 == 0 } // add sets a key in a nested map, initializing things if needed as we go. func add(storage map[string]map[string]int, parent, child string, value int) { n, ok := storage[parent] if !ok { n = make(map[string]int) storage[parent] = n } n[child] += value } // inc makes sure that even for unused features, we initialize them in the // feature map. Furthermore, this acts as a helper that accepts booleans // to increment by one, or integers to increment by that integer. func inc(storage map[string]int, key string, i interface{}) { cv := storage[key] switch v := i.(type) { case bool: if v { cv++ } case int: cv += v } storage[key] = cv } type location struct { Latitude float64 Longitude float64 } func getReport(db *sql.DB) map[string]interface{} { geoip, err := geoip2.Open(geoIPPath) if err != nil { log.Println("opening geoip db", err) geoip = nil } else { defer geoip.Close() } nodes := 0 countriesTotal := 0 var versions []string var platforms []string var numFolders []int var numDevices []int var totFiles []int var maxFiles []int var totMiB []int var maxMiB []int var memoryUsage []int var sha256Perf []float64 var memorySize []int var uptime []int var compilers []string var builders []string locations := make(map[location]int) countries := make(map[string]int) reports := make(map[string]int) totals := make(map[string]int) // category -> version -> feature -> count features := make(map[string]map[string]map[string]int) // category -> version -> feature -> group -> count featureGroups := make(map[string]map[string]map[string]map[string]int) for _, category := range featureOrder { features[category] = make(map[string]map[string]int) featureGroups[category] = make(map[string]map[string]map[string]int) for _, version := range knownVersions { features[category][version] = make(map[string]int) featureGroups[category][version] = make(map[string]map[string]int) } } // Initialize some features that hide behind if conditions, and might not // be initialized. add(featureGroups["Various"]["v2"], "Upgrades", "Pre-release", 0) add(featureGroups["Various"]["v2"], "Upgrades", "Automatic", 0) add(featureGroups["Various"]["v2"], "Upgrades", "Manual", 0) add(featureGroups["Various"]["v2"], "Upgrades", "Disabled", 0) add(featureGroups["Various"]["v3"], "Temporary Retention", "Disabled", 0) add(featureGroups["Various"]["v3"], "Temporary Retention", "Custom", 0) add(featureGroups["Various"]["v3"], "Temporary Retention", "Default", 0) add(featureGroups["Connection"]["v3"], "IP version", "IPv4", 0) add(featureGroups["Connection"]["v3"], "IP version", "IPv6", 0) add(featureGroups["Connection"]["v3"], "IP version", "Unknown", 0) var numCPU []int var rep report rows, err := db.Query(`SELECT ` + strings.Join(rep.FieldNames(), ",") + ` FROM Reports WHERE Received > now() - '1 day'::INTERVAL`) if err != nil { log.Println("sql:", err) return nil } defer rows.Close() for rows.Next() { err := rows.Scan(rep.FieldPointers()...) if err != nil { log.Println("sql:", err) return nil } if geoip != nil && rep.Address != "" { if addr, err := net.ResolveTCPAddr("tcp", net.JoinHostPort(rep.Address, "0")); err == nil { city, err := geoip.City(addr.IP) if err == nil { loc := location{ Latitude: city.Location.Latitude, Longitude: city.Location.Longitude, } locations[loc]++ countries[city.Country.Names["en"]]++ countriesTotal++ } } } nodes++ versions = append(versions, transformVersion(rep.Version)) platforms = append(platforms, rep.Platform) if m := compilerRe.FindStringSubmatch(rep.LongVersion); len(m) == 3 { compilers = append(compilers, m[1]) builders = append(builders, m[2]) } if rep.NumFolders > 0 { numFolders = append(numFolders, rep.NumFolders) } if rep.NumDevices > 0 { numDevices = append(numDevices, rep.NumDevices) } if rep.TotFiles > 0 { totFiles = append(totFiles, rep.TotFiles) } if rep.FolderMaxFiles > 0 { maxFiles = append(maxFiles, rep.FolderMaxFiles) } if rep.TotMiB > 0 { totMiB = append(totMiB, rep.TotMiB*(1<<20)) } if rep.FolderMaxMiB > 0 { maxMiB = append(maxMiB, rep.FolderMaxMiB*(1<<20)) } if rep.MemoryUsageMiB > 0 { memoryUsage = append(memoryUsage, rep.MemoryUsageMiB*(1<<20)) } if rep.SHA256Perf > 0 { sha256Perf = append(sha256Perf, rep.SHA256Perf*(1<<20)) } if rep.MemorySize > 0 { memorySize = append(memorySize, rep.MemorySize*(1<<20)) } if rep.Uptime > 0 { uptime = append(uptime, rep.Uptime) } totals["Device"] += rep.NumDevices totals["Folder"] += rep.NumFolders if rep.URVersion >= 2 { reports["v2"]++ numCPU = append(numCPU, rep.NumCPU) // Various inc(features["Various"]["v2"], "Rate limiting", rep.UsesRateLimit) if rep.UpgradeAllowedPre { add(featureGroups["Various"]["v2"], "Upgrades", "Pre-release", 1) } else if rep.UpgradeAllowedAuto { add(featureGroups["Various"]["v2"], "Upgrades", "Automatic", 1) } else if rep.UpgradeAllowedManual { add(featureGroups["Various"]["v2"], "Upgrades", "Manual", 1) } else { add(featureGroups["Various"]["v2"], "Upgrades", "Disabled", 1) } // Folders inc(features["Folder"]["v2"], "Automatic normalization", rep.FolderUses.AutoNormalize) inc(features["Folder"]["v2"], "Ignore deletes", rep.FolderUses.IgnoreDelete) inc(features["Folder"]["v2"], "Ignore permissions", rep.FolderUses.IgnorePerms) inc(features["Folder"]["v2"], "Mode, send only", rep.FolderUses.SendOnly) inc(features["Folder"]["v2"], "Mode, receive only", rep.FolderUses.ReceiveOnly) add(featureGroups["Folder"]["v2"], "Versioning", "Simple", rep.FolderUses.SimpleVersioning) add(featureGroups["Folder"]["v2"], "Versioning", "External", rep.FolderUses.ExternalVersioning) add(featureGroups["Folder"]["v2"], "Versioning", "Staggered", rep.FolderUses.StaggeredVersioning) add(featureGroups["Folder"]["v2"], "Versioning", "Trashcan", rep.FolderUses.TrashcanVersioning) add(featureGroups["Folder"]["v2"], "Versioning", "Disabled", rep.NumFolders-rep.FolderUses.SimpleVersioning-rep.FolderUses.ExternalVersioning-rep.FolderUses.StaggeredVersioning-rep.FolderUses.TrashcanVersioning) // Device inc(features["Device"]["v2"], "Custom certificate", rep.DeviceUses.CustomCertName) inc(features["Device"]["v2"], "Introducer", rep.DeviceUses.Introducer) add(featureGroups["Device"]["v2"], "Compress", "Always", rep.DeviceUses.CompressAlways) add(featureGroups["Device"]["v2"], "Compress", "Metadata", rep.DeviceUses.CompressMetadata) add(featureGroups["Device"]["v2"], "Compress", "Nothing", rep.DeviceUses.CompressNever) add(featureGroups["Device"]["v2"], "Addresses", "Dynamic", rep.DeviceUses.DynamicAddr) add(featureGroups["Device"]["v2"], "Addresses", "Static", rep.DeviceUses.StaticAddr) // Connections inc(features["Connection"]["v2"], "Relaying, enabled", rep.Relays.Enabled) inc(features["Connection"]["v2"], "Discovery, global enabled", rep.Announce.GlobalEnabled) inc(features["Connection"]["v2"], "Discovery, local enabled", rep.Announce.LocalEnabled) add(featureGroups["Connection"]["v2"], "Discovery", "Default servers (using DNS)", rep.Announce.DefaultServersDNS) add(featureGroups["Connection"]["v2"], "Discovery", "Default servers (using IP)", rep.Announce.DefaultServersIP) add(featureGroups["Connection"]["v2"], "Discovery", "Other servers", rep.Announce.DefaultServersIP) add(featureGroups["Connection"]["v2"], "Relaying", "Default relays", rep.Relays.DefaultServers) add(featureGroups["Connection"]["v2"], "Relaying", "Other relays", rep.Relays.OtherServers) } if rep.URVersion >= 3 { reports["v3"]++ inc(features["Various"]["v3"], "Custom LAN classification", rep.AlwaysLocalNets) inc(features["Various"]["v3"], "Ignore caching", rep.CacheIgnoredFiles) inc(features["Various"]["v3"], "Overwrite device names", rep.OverwriteRemoteDeviceNames) inc(features["Various"]["v3"], "Download progress disabled", !rep.ProgressEmitterEnabled) inc(features["Various"]["v3"], "Custom default path", rep.CustomDefaultFolderPath) inc(features["Various"]["v3"], "Custom traffic class", rep.CustomTrafficClass) inc(features["Various"]["v3"], "Custom temporary index threshold", rep.CustomTempIndexMinBlocks) inc(features["Various"]["v3"], "Weak hash enabled", rep.WeakHashEnabled) inc(features["Various"]["v3"], "LAN rate limiting", rep.LimitBandwidthInLan) inc(features["Various"]["v3"], "Custom release server", rep.CustomReleaseURL) inc(features["Various"]["v3"], "Restart after suspend", rep.RestartOnWakeup) inc(features["Various"]["v3"], "Custom stun servers", rep.CustomStunServers) inc(features["Various"]["v3"], "Ignore patterns", rep.IgnoreStats.Lines > 0) if rep.NATType != "" { natType := rep.NATType natType = strings.Replace(natType, "unknown", "Unknown", -1) natType = strings.Replace(natType, "Symetric", "Symmetric", -1) add(featureGroups["Various"]["v3"], "NAT Type", natType, 1) } if rep.TemporariesDisabled { add(featureGroups["Various"]["v3"], "Temporary Retention", "Disabled", 1) } else if rep.TemporariesCustom { add(featureGroups["Various"]["v3"], "Temporary Retention", "Custom", 1) } else { add(featureGroups["Various"]["v3"], "Temporary Retention", "Default", 1) } inc(features["Folder"]["v3"], "Scan progress disabled", rep.FolderUsesV3.ScanProgressDisabled) inc(features["Folder"]["v3"], "Disable sharing of partial files", rep.FolderUsesV3.DisableTempIndexes) inc(features["Folder"]["v3"], "Disable sparse files", rep.FolderUsesV3.DisableSparseFiles) inc(features["Folder"]["v3"], "Weak hash, always", rep.FolderUsesV3.AlwaysWeakHash) inc(features["Folder"]["v3"], "Weak hash, custom threshold", rep.FolderUsesV3.CustomWeakHashThreshold) inc(features["Folder"]["v3"], "Filesystem watcher", rep.FolderUsesV3.FsWatcherEnabled) add(featureGroups["Folder"]["v3"], "Conflicts", "Disabled", rep.FolderUsesV3.ConflictsDisabled) add(featureGroups["Folder"]["v3"], "Conflicts", "Unlimited", rep.FolderUsesV3.ConflictsUnlimited) add(featureGroups["Folder"]["v3"], "Conflicts", "Limited", rep.FolderUsesV3.ConflictsOther) for key, value := range rep.FolderUsesV3.PullOrder { add(featureGroups["Folder"]["v3"], "Pull Order", prettyCase(key), value) } totals["GUI"] += rep.GUIStats.Enabled inc(features["GUI"]["v3"], "Auth Enabled", rep.GUIStats.UseAuth) inc(features["GUI"]["v3"], "TLS Enabled", rep.GUIStats.UseTLS) inc(features["GUI"]["v3"], "Insecure Admin Access", rep.GUIStats.InsecureAdminAccess) inc(features["GUI"]["v3"], "Skip Host check", rep.GUIStats.InsecureSkipHostCheck) inc(features["GUI"]["v3"], "Allow Frame loading", rep.GUIStats.InsecureAllowFrameLoading) add(featureGroups["GUI"]["v3"], "Listen address", "Local", rep.GUIStats.ListenLocal) add(featureGroups["GUI"]["v3"], "Listen address", "Unspecified", rep.GUIStats.ListenUnspecified) add(featureGroups["GUI"]["v3"], "Listen address", "Other", rep.GUIStats.Enabled-rep.GUIStats.ListenLocal-rep.GUIStats.ListenUnspecified) for theme, count := range rep.GUIStats.Theme { add(featureGroups["GUI"]["v3"], "Theme", prettyCase(theme), count) } for transport, count := range rep.TransportStats { add(featureGroups["Connection"]["v3"], "Transport", strings.Title(transport), count) if strings.HasSuffix(transport, "4") { add(featureGroups["Connection"]["v3"], "IP version", "IPv4", count) } else if strings.HasSuffix(transport, "6") { add(featureGroups["Connection"]["v3"], "IP version", "IPv6", count) } else { add(featureGroups["Connection"]["v3"], "IP version", "Unknown", count) } } } } var categories []category categories = append(categories, category{ Values: statsForInts(totFiles), Descr: "Files Managed per Device", }) categories = append(categories, category{ Values: statsForInts(maxFiles), Descr: "Files in Largest Folder", }) categories = append(categories, category{ Values: statsForInts(totMiB), Descr: "Data Managed per Device", Unit: "B", Type: NumberBinary, }) categories = append(categories, category{ Values: statsForInts(maxMiB), Descr: "Data in Largest Folder", Unit: "B", Type: NumberBinary, }) categories = append(categories, category{ Values: statsForInts(numDevices), Descr: "Number of Devices in Cluster", }) categories = append(categories, category{ Values: statsForInts(numFolders), Descr: "Number of Folders Configured", }) categories = append(categories, category{ Values: statsForInts(memoryUsage), Descr: "Memory Usage", Unit: "B", Type: NumberBinary, }) categories = append(categories, category{ Values: statsForInts(memorySize), Descr: "System Memory", Unit: "B", Type: NumberBinary, }) categories = append(categories, category{ Values: statsForFloats(sha256Perf), Descr: "SHA-256 Hashing Performance", Unit: "B/s", Type: NumberBinary, }) categories = append(categories, category{ Values: statsForInts(numCPU), Descr: "Number of CPU cores", }) categories = append(categories, category{ Values: statsForInts(uptime), Descr: "Uptime (v3)", Type: NumberDuration, }) reportFeatures := make(map[string][]feature) for featureType, versions := range features { var featureList []feature for version, featureMap := range versions { // We count totals of the given feature type, for example number of // folders or devices, if that doesn't exist, we work out percentage // against the total of the version reports. Things like "Various" // never have counts. total, ok := totals[featureType] if !ok { total = reports[version] } for key, count := range featureMap { featureList = append(featureList, feature{ Key: key, Version: version, Count: count, Pct: (100 * float64(count)) / float64(total), }) } } sort.Sort(sort.Reverse(sortableFeatureList(featureList))) reportFeatures[featureType] = featureList } reportFeatureGroups := make(map[string][]featureGroup) for featureType, versions := range featureGroups { var featureList []featureGroup for version, featureMap := range versions { for key, counts := range featureMap { featureList = append(featureList, featureGroup{ Key: key, Version: version, Counts: counts, }) } } reportFeatureGroups[featureType] = featureList } var countryList []feature for country, count := range countries { countryList = append(countryList, feature{ Key: country, Count: count, Pct: (100 * float64(count)) / float64(countriesTotal), }) sort.Sort(sort.Reverse(sortableFeatureList(countryList))) } r := make(map[string]interface{}) r["features"] = reportFeatures r["featureGroups"] = reportFeatureGroups r["nodes"] = nodes r["versionNodes"] = reports r["categories"] = categories r["versions"] = group(byVersion, analyticsFor(versions, 2000), 10) r["versionPenetrations"] = penetrationLevels(analyticsFor(versions, 2000), []float64{50, 75, 90, 95}) r["platforms"] = group(byPlatform, analyticsFor(platforms, 2000), 5) r["compilers"] = group(byCompiler, analyticsFor(compilers, 2000), 5) r["builders"] = analyticsFor(builders, 12) r["featureOrder"] = featureOrder r["locations"] = locations r["contries"] = countryList return r } func ensureDir(dir string, mode int) { fi, err := os.Stat(dir) if os.IsNotExist(err) { os.MkdirAll(dir, 0700) } else if mode >= 0 && err == nil && int(fi.Mode()&0777) != mode { os.Chmod(dir, os.FileMode(mode)) } } var ( plusRe = regexp.MustCompile(`\+.*$`) plusStr = "(+dev)" ) // transformVersion returns a version number formatted correctly, with all // development versions aggregated into one. func transformVersion(v string) string { if v == "unknown-dev" { return v } if !strings.HasPrefix(v, "v") { v = "v" + v } v = plusRe.ReplaceAllString(v, " "+plusStr) return v } type summary struct { versions map[string]int // version string to count index max map[string]int // version string to max users per day rows map[string][]int // date to list of counts } func newSummary() summary { return summary{ versions: make(map[string]int), max: make(map[string]int), rows: make(map[string][]int), } } func (s *summary) setCount(date, version string, count int) { idx, ok := s.versions[version] if !ok { idx = len(s.versions) s.versions[version] = idx } if s.max[version] < count { s.max[version] = count } row := s.rows[date] if len(row) <= idx { old := row row = make([]int, idx+1) copy(row, old) s.rows[date] = row } row[idx] = count } func (s *summary) MarshalJSON() ([]byte, error) { var versions []string for v := range s.versions { versions = append(versions, v) } sort.Strings(versions) var filtered []string for _, v := range versions { if s.max[v] > 50 { filtered = append(filtered, v) } } versions = filtered headerRow := []interface{}{"Day"} for _, v := range versions { headerRow = append(headerRow, v) } var table [][]interface{} table = append(table, headerRow) var dates []string for k := range s.rows { dates = append(dates, k) } sort.Strings(dates) for _, date := range dates { row := []interface{}{date} for _, ver := range versions { idx := s.versions[ver] if len(s.rows[date]) > idx && s.rows[date][idx] > 0 { row = append(row, s.rows[date][idx]) } else { row = append(row, nil) } } table = append(table, row) } return json.Marshal(table) } func getSummary(db *sql.DB) (summary, error) { s := newSummary() rows, err := db.Query(`SELECT Day, Version, Count FROM VersionSummary WHERE Day > now() - '2 year'::INTERVAL;`) if err != nil { return summary{}, err } defer rows.Close() for rows.Next() { var day time.Time var ver string var num int err := rows.Scan(&day, &ver, &num) if err != nil { return summary{}, err } if ver == "v0.0" { // ? continue } // SUPER UGLY HACK to avoid having to do sorting properly if len(ver) == 4 { // v0.x ver = ver[:3] + "0" + ver[3:] // now v0.0x } s.setCount(day.Format("2006-01-02"), ver, num) } return s, nil } func getMovement(db *sql.DB) ([][]interface{}, error) { rows, err := db.Query(`SELECT Day, Added, Removed, Bounced FROM UserMovement WHERE Day > now() - '2 year'::INTERVAL ORDER BY Day`) if err != nil { return nil, err } defer rows.Close() res := [][]interface{}{ {"Day", "Joined", "Left", "Bounced"}, } for rows.Next() { var day time.Time var added, removed, bounced int err := rows.Scan(&day, &added, &removed, &bounced) if err != nil { return nil, err } row := []interface{}{day.Format("2006-01-02"), added, -removed, bounced} if removed == 0 { row[2] = nil } if bounced == 0 { row[3] = nil } res = append(res, row) } return res, nil } func getPerformance(db *sql.DB) ([][]interface{}, error) { rows, err := db.Query(`SELECT Day, TotFiles, TotMiB, SHA256Perf, MemorySize, MemoryUsageMiB FROM Performance WHERE Day > '2014-06-20'::TIMESTAMP ORDER BY Day`) if err != nil { return nil, err } defer rows.Close() res := [][]interface{}{ {"Day", "TotFiles", "TotMiB", "SHA256Perf", "MemorySize", "MemoryUsageMiB"}, } for rows.Next() { var day time.Time var sha256Perf float64 var totFiles, totMiB, memorySize, memoryUsage int err := rows.Scan(&day, &totFiles, &totMiB, &sha256Perf, &memorySize, &memoryUsage) if err != nil { return nil, err } row := []interface{}{day.Format("2006-01-02"), totFiles, totMiB, float64(int(sha256Perf*10)) / 10, memorySize, memoryUsage} res = append(res, row) } return res, nil } func getBlockStats(db *sql.DB) ([][]interface{}, error) { rows, err := db.Query(`SELECT Day, Reports, Pulled, Renamed, Reused, CopyOrigin, CopyOriginShifted, CopyElsewhere FROM BlockStats WHERE Day > '2017-10-23'::TIMESTAMP ORDER BY Day`) if err != nil { return nil, err } defer rows.Close() res := [][]interface{}{ {"Day", "Number of Reports", "Transferred (GiB)", "Saved by renaming files (GiB)", "Saved by resuming transfer (GiB)", "Saved by reusing data from old file (GiB)", "Saved by reusing shifted data from old file (GiB)", "Saved by reusing data from other files (GiB)"}, } blocksToGb := float64(8 * 1024) for rows.Next() { var day time.Time var reports, pulled, renamed, reused, copyOrigin, copyOriginShifted, copyElsewhere float64 err := rows.Scan(&day, &reports, &pulled, &renamed, &reused, ©Origin, ©OriginShifted, ©Elsewhere) if err != nil { return nil, err } row := []interface{}{ day.Format("2006-01-02"), reports, pulled / blocksToGb, renamed / blocksToGb, reused / blocksToGb, copyOrigin / blocksToGb, copyOriginShifted / blocksToGb, copyElsewhere / blocksToGb, } res = append(res, row) } return res, nil } type sortableFeatureList []feature func (l sortableFeatureList) Len() int { return len(l) } func (l sortableFeatureList) Swap(a, b int) { l[a], l[b] = l[b], l[a] } func (l sortableFeatureList) Less(a, b int) bool { if l[a].Pct != l[b].Pct { return l[a].Pct < l[b].Pct } return l[a].Key > l[b].Key } func prettyCase(input string) string { output := "" for i, runeValue := range input { if i == 0 { runeValue = unicode.ToUpper(runeValue) } else if unicode.IsUpper(runeValue) { output += " " } output += string(runeValue) } return output }