// ADMIN API to turn Go CPU profiling on/off
func (h *handler) handleCPUProfiling() error {
var params struct {
File string `json:"file"`
}
body, err := ioutil.ReadAll(h.rq.Body)
if err != nil {
return err
}
if len(body) > 0 {
if err = json.Unmarshal(body, ¶ms); err != nil {
return err
}
}
if params.File != "" {
base.Log("Profiling to %s ...", params.File)
f, err := os.Create(params.File)
if err != nil {
return err
}
pprof.StartCPUProfile(f)
} else {
base.Log("...ending profile.")
pprof.StopCPUProfile()
}
return nil
}
// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
base.Log("==== %s ====", LongVersionString)
if os.Getenv("GOMAXPROCS") == "" && runtime.GOMAXPROCS(0) == 1 {
cpus := runtime.NumCPU()
if cpus > 1 {
runtime.GOMAXPROCS(cpus)
base.Log("Configured Go to use all %d CPUs; setenv GOMAXPROCS to override this", cpus)
}
}
setMaxFileDescriptors(config.MaxFileDescriptors)
sc := NewServerContext(config)
for _, dbConfig := range config.Databases {
if _, err := sc.AddDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
if config.ProfileInterface != nil {
//runtime.MemProfileRate = 10 * 1024
base.Log("Starting profile server on %s", *config.ProfileInterface)
go func() {
http.ListenAndServe(*config.ProfileInterface, nil)
}()
}
base.Log("Starting admin server on %s", *config.AdminInterface)
go config.serve(*config.AdminInterface, CreateAdminHandler(sc))
base.Log("Starting server on %s ...", *config.Interface)
config.serve(*config.Interface, CreatePublicHandler(sc))
}
func TestShadowerPush(t *testing.T) {
//base.LogKeys["Shadow"] = true
bucket := makeExternalBucket()
defer bucket.Close()
db := setupTestDB(t)
defer tearDownTestDB(t, db)
var err error
db.Shadower, err = NewShadower(db.DatabaseContext, bucket, nil)
assertNoError(t, err, "NewShadower")
key1rev1, err := db.Put("key1", Body{"aaa": "bbb"})
assertNoError(t, err, "Put")
_, err = db.Put("key2", Body{"ccc": "ddd"})
assertNoError(t, err, "Put")
base.Log("Waiting for shadower to catch up...")
var doc1, doc2 Body
waitFor(t, func() bool {
return bucket.Get("key1", &doc1) == nil && bucket.Get("key2", &doc2) == nil
})
assert.DeepEquals(t, doc1, Body{"aaa": "bbb"})
assert.DeepEquals(t, doc2, Body{"ccc": "ddd"})
base.Log("Deleting local doc")
db.DeleteDoc("key1", key1rev1)
waitFor(t, func() bool {
err = bucket.Get("key1", &doc1)
return err != nil
})
assert.True(t, base.IsDocNotFoundError(err))
}
// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
if os.Getenv("GOMAXPROCS") == "" && runtime.GOMAXPROCS(0) == 1 {
cpus := runtime.NumCPU()
if cpus > 1 {
runtime.GOMAXPROCS(cpus)
base.Log("Configured Go to use all %d CPUs; setenv GOMAXPROCS to override this", cpus)
}
}
sc := NewServerContext(config)
for _, dbConfig := range config.Databases {
if err := sc.AddDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
base.Log("Starting admin server on %s", *config.AdminInterface)
go func() {
if err := http.ListenAndServe(*config.AdminInterface, CreateAdminHandler(sc)); err != nil {
base.LogFatal("HTTP server failed: %v", err)
}
}()
base.Log("Starting server on %s ...", *config.Interface)
if err := http.ListenAndServe(*config.Interface, CreatePublicHandler(sc)); err != nil {
base.LogFatal("HTTP server failed: %v", err)
}
}
// POST /_persona creates a browserID-based login session and sets its cookie.
// It's API-compatible with the CouchDB plugin: <https://github.com/iriscouch/browserid_couchdb/>
func (h *handler) handlePersonaPOST() error {
var params struct {
Assertion string `json:"assertion"`
}
err := db.ReadJSONFromMIME(h.rq.Header, h.rq.Body, ¶ms)
if err != nil {
return err
}
origin := h.server.config.Persona.Origin
if origin == "" {
base.Warn("Can't accept Persona logins: Server URL not configured")
return &base.HTTPError{http.StatusInternalServerError, "Server url not configured"}
}
// OK, now verify it:
base.Log("Persona: Verifying assertion %q for %q", params.Assertion, origin)
verifiedInfo, err := VerifyPersona(params.Assertion, origin)
if err != nil {
base.Log("Persona: Failed verify: %v", err)
return err
}
base.Log("Persona: Logged in %q!", verifiedInfo.Email)
createUserIfNeeded := h.server.config.Persona.Register
return h.makeSessionFromEmail(verifiedInfo.Email, createUserIfNeeded)
}
func (sc *serverContext) installPrincipals(context *context, spec map[string]json.RawMessage, what string) error {
for name, data := range spec {
isUsers := (what == "user")
if name == "GUEST" && isUsers {
name = ""
}
newPrincipal, err := context.auth.UnmarshalPrincipal(data, name, 1, isUsers)
if err != nil {
return fmt.Errorf("Invalid config for %s %q: %v", what, name, err)
}
oldPrincipal, err := context.auth.GetPrincipal(newPrincipal.Name(), isUsers)
if oldPrincipal == nil || name == "" {
if err == nil {
err = context.auth.Save(newPrincipal)
}
if err != nil {
return fmt.Errorf("Couldn't create %s %q: %v", what, name, err)
} else if name == "" {
base.Log("Reset guest user to config")
} else {
base.Log("Created %s %q", what, name)
}
}
}
return nil
}
func TestShadowerPattern(t *testing.T) {
bucket := makeExternalBucket()
defer bucket.Close()
bucket.Set("key1", 0, Body{"foo": 1})
bucket.Set("ignorekey", 0, Body{"bar": -1})
bucket.Set("key2", 0, Body{"bar": -1})
db := setupTestDB(t)
defer tearDownTestDB(t, db)
pattern, _ := regexp.Compile(`key\d+`)
shadower, err := NewShadower(db.DatabaseContext, bucket, pattern)
assertNoError(t, err, "NewShadower")
defer shadower.Stop()
base.Log("Waiting for shadower to catch up...")
waitFor(t, func() bool {
seq, _ := db.LastSequence()
return seq >= 1
})
doc1, _ := db.GetDoc("key1")
docI, _ := db.GetDoc("ignorekey")
doc2, _ := db.GetDoc("key2")
assert.DeepEquals(t, doc1.body, Body{"foo": float64(1)})
assert.True(t, docI == nil)
assert.DeepEquals(t, doc2.body, Body{"bar": float64(-1)})
}
func (h *handler) checkAuth() error {
h.user = nil
if h.context == nil || h.context.auth == nil {
return nil
}
// Check cookie first, then HTTP auth:
var err error
h.user, err = h.context.auth.AuthenticateCookie(h.rq)
if err != nil {
return err
}
var userName, password string
if h.user == nil {
userName, password = h.getBasicAuth()
h.user = h.context.auth.AuthenticateUser(userName, password)
}
if h.user == nil && !h.admin {
cookie, _ := h.rq.Cookie(auth.CookieName)
base.Log("Auth failed for username=%q, cookie=%q", userName, cookie)
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return &base.HTTPError{http.StatusUnauthorized, "Invalid login"}
}
return nil
}
func TestImport(t *testing.T) {
db := setupTestDB(t)
defer tearDownTestDB(t, db)
// Add docs to the underlying bucket:
for i := 1; i <= 20; i++ {
db.Bucket.Add(fmt.Sprintf("alreadyHere%d", i), 0, Body{"key1": i, "key2": "hi"})
}
// Make sure they aren't visible thru the gateway:
doc, err := db.GetDoc("alreadyHere1")
assert.Equals(t, doc, (*document)(nil))
assert.Equals(t, err.(*base.HTTPError).Status, 404)
// Import them:
count, err := db.UpdateAllDocChannels(false, true)
assertNoError(t, err, "ApplySyncFun")
assert.Equals(t, count, 20)
// Now they're visible:
doc, err = db.GetDoc("alreadyHere1")
base.Log("doc = %+v", doc)
assert.True(t, doc != nil)
assertNoError(t, err, "can't get doc")
}
func (sc *ServerContext) installPrincipals(context *db.DatabaseContext, spec map[string]*PrincipalConfig, what string) error {
for name, princ := range spec {
princ.Name = &name
_, err := updatePrincipal(context, *princ, (what == "user"), (name == "GUEST"))
if err != nil {
// A conflict error just means updatePrincipal didn't overwrite an existing user.
if status, _ := base.ErrorAsHTTPStatus(err); status != http.StatusConflict {
return fmt.Errorf("Couldn't create %s %q: %v", what, name, err)
}
} else if name == "GUEST" {
base.Log(" Reset guest user to config")
} else {
base.Log(" Created %s %q", what, name)
}
}
return nil
}
// Adds a database to the ServerContext given its configuration.
func (sc *ServerContext) AddDatabaseFromConfig(config *DbConfig) error {
server := "http://localhost:8091"
pool := "default"
bucketName := config.name
if config.Server != nil {
server = *config.Server
}
if config.Pool != nil {
pool = *config.Pool
}
if config.Bucket != nil {
bucketName = *config.Bucket
}
dbName := config.name
if dbName == "" {
dbName = bucketName
}
base.Log("Opening db /%s as bucket %q, pool %q, server <%s>",
dbName, bucketName, pool, server)
if err := db.ValidateDatabaseName(dbName); err != nil {
return err
}
// Connect to the bucket and add the database:
bucket, err := db.ConnectToBucket(server, pool, bucketName)
if err != nil {
return err
}
dbcontext, err := db.NewDatabaseContext(dbName, bucket)
if err != nil {
return err
}
if config.Sync != nil {
if err := dbcontext.ApplySyncFun(*config.Sync); err != nil {
return err
}
}
if dbcontext.ChannelMapper == nil {
base.Warn("Database %q sync function undefined; using default", dbName)
}
// Create default users & roles:
if err := sc.installPrincipals(dbcontext, config.Roles, "role"); err != nil {
return err
} else if err := sc.installPrincipals(dbcontext, config.Users, "user"); err != nil {
return err
}
// Register it so HTTP handlers can find it:
if err := sc.registerDatabase(dbcontext); err != nil {
return err
}
return nil
}
func (sc *ServerContext) applySyncFunction(dbcontext *db.DatabaseContext, syncFn string) error {
changed, err := dbcontext.UpdateSyncFun(syncFn)
if err != nil || !changed {
return err
}
// Sync function has changed:
base.Log("**NOTE:** %q's sync function has changed. The new function may assign different channels to documents, or permissions to users. You may want to re-sync the database to update these.", dbcontext.Name)
return nil
}
// Helper function to open a Couchbase connection and return a specific bucket.
func ConnectToBucket(couchbaseURL, poolName, bucketName string) (bucket base.Bucket, err error) {
bucket, err = base.GetBucket(couchbaseURL, poolName, bucketName)
if err != nil {
return
}
base.Log("Connected to <%s>, pool %s, bucket %s", couchbaseURL, poolName, bucketName)
err = installViews(bucket)
return
}
// Starts and runs the server given its configuration. (This function never returns.)
func RunServer(config *ServerConfig) {
PrettyPrint = config.Pretty
sc := newServerContext(config)
for _, dbConfig := range config.Databases {
if err := sc.addDatabaseFromConfig(dbConfig); err != nil {
base.LogFatal("Error opening database: %v", err)
}
}
http.Handle("/", createHandler(sc))
base.Log("Starting auth server on %s", *config.AdminInterface)
StartAuthListener(*config.AdminInterface, sc)
base.Log("Starting server on %s ...", *config.Interface)
if err := http.ListenAndServe(*config.Interface, nil); err != nil {
base.LogFatal("Server failed: ", err.Error())
}
}
// HTTP handler for a POST to _bulk_docs
func (h *handler) handleBulkDocs() error {
body, err := h.readJSON()
if err != nil {
return err
}
newEdits, ok := body["new_edits"].(bool)
if !ok {
newEdits = true
}
docs := body["docs"].([]interface{})
h.db.ReserveSequences(uint64(len(docs)))
result := make([]db.Body, 0, len(docs))
for _, item := range docs {
doc := item.(map[string]interface{})
docid, _ := doc["_id"].(string)
var err error
var revid string
if newEdits {
if docid != "" {
revid, err = h.db.Put(docid, doc)
} else {
docid, revid, err = h.db.Post(doc)
}
} else {
revisions := db.ParseRevisions(doc)
if revisions == nil {
err = &base.HTTPError{http.StatusBadRequest, "Bad _revisions"}
} else {
revid = revisions[0]
err = h.db.PutExistingRev(docid, doc, revisions)
}
}
status := db.Body{}
if docid != "" {
status["id"] = docid
}
if err != nil {
code, msg := base.ErrorAsHTTPStatus(err)
status["status"] = code
status["error"] = base.CouchHTTPErrorName(code)
status["reason"] = msg
base.Log("\tBulkDocs: Doc %q --> %v", docid, err)
err = nil // wrote it to output already; not going to return it
} else {
status["rev"] = revid
}
result = append(result, status)
}
h.writeJSONStatus(http.StatusCreated, result)
return nil
}
// POST /_persona creates a browserID-based login session and sets its cookie.
// It's API-compatible with the CouchDB plugin: <https://github.com/iriscouch/browserid_couchdb/>
func (h *handler) handlePersonaPOST() error {
var params struct {
Assertion string `json:"assertion"`
}
err := db.ReadJSONFromMIME(h.rq.Header, h.rq.Body, ¶ms)
if err != nil {
return err
}
origin := h.server.config.Persona.Origin
if origin == "" {
base.Warn("Can't accept Persona logins: Server URL not configured")
return &base.HTTPError{http.StatusInternalServerError, "Server url not configured"}
}
// OK, now verify it:
base.Log("Persona: Verifying assertion %q for %q", params.Assertion, origin)
verifiedInfo, err := VerifyPersona(params.Assertion, origin)
if err != nil {
base.Log("Persona: Failed verify: %v", err)
return err
}
base.Log("Persona: Logged in %q!", verifiedInfo.Email)
// Email is verified. Look up the user and make a login session for her:
user, err := h.db.Authenticator().GetUserByEmail(verifiedInfo.Email)
if err != nil {
return err
}
if user == nil {
// The email address is authentic but we have no user account for it.
if !h.server.config.Persona.Register {
return &base.HTTPError{http.StatusUnauthorized, "No such user"}
}
// Create a User with the given email address as username and a random password.
user, err = h.registerPersonaUser(verifiedInfo)
if err != nil {
return err
}
}
return h.makeSession(user)
}
// ADMIN API to turn Go CPU profiling on/off
func (h *handler) handleProfiling() error {
profileName := h.PathVar("name")
var params struct {
File string `json:"file"`
}
body, err := h.readBody()
if err != nil {
return err
}
if len(body) > 0 {
if err = json.Unmarshal(body, ¶ms); err != nil {
return err
}
}
if params.File != "" {
f, err := os.Create(params.File)
if err != nil {
return err
}
if profileName != "" {
defer f.Close()
if profile := pprof.Lookup(profileName); profile != nil {
profile.WriteTo(f, 0)
base.Log("Wrote %s profile to %s", profileName, params.File)
} else {
return base.HTTPErrorf(http.StatusNotFound, "No such profile %q", profileName)
}
} else {
base.Log("Starting CPU profile to %s ...", params.File)
pprof.StartCPUProfile(f)
}
} else {
if profileName != "" {
return base.HTTPErrorf(http.StatusBadRequest, "Missing JSON 'file' parameter")
} else {
base.Log("...ending CPU profile.")
pprof.StopCPUProfile()
}
}
return nil
}
// Calls the JS sync function to assign the doc to channels, grant users
// access to channels, and reject invalid documents.
func (db *Database) getChannelsAndAccess(doc *document, body Body, parentRevID string) (result base.Set, access channels.AccessMap, roles channels.AccessMap, err error) {
base.LogTo("CRUD+", "Invoking sync on doc %q rev %s", doc.ID, body["_rev"])
// Get the parent revision, to pass to the sync function:
var oldJson string
if parentRevID != "" {
var oldJsonBytes []byte
oldJsonBytes, err = db.getRevisionJSON(doc, parentRevID)
if err != nil {
if base.IsDocNotFoundError(err) {
err = nil
}
return
}
oldJson = string(oldJsonBytes)
}
if db.ChannelMapper != nil {
// Call the ChannelMapper:
var output *channels.ChannelMapperOutput
output, err = db.ChannelMapper.MapToChannelsAndAccess(body, oldJson,
makeUserCtx(db.user))
if err == nil {
result = output.Channels
access = output.Access
roles = output.Roles
err = output.Rejection
if err != nil {
base.Log("Sync fn rejected: new=%+v old=%s --> %s", body, oldJson, err)
} else if !validateAccessMap(access) || !validateRoleAccessMap(roles) {
err = base.HTTPErrorf(500, "Error in JS sync function")
}
} else {
base.Warn("Sync fn exception: %+v; doc = %s", err, body)
err = base.HTTPErrorf(500, "Exception in JS sync function")
}
} else {
// No ChannelMapper so by default use the "channels" property:
value, _ := body["channels"].([]interface{})
if value != nil {
array := make([]string, 0, len(value))
for _, channel := range value {
channelStr, ok := channel.(string)
if ok && len(channelStr) > 0 {
array = append(array, channelStr)
}
}
result, err = channels.SetFromArray(array, channels.KeepStar)
}
}
return
}
func setMaxFileDescriptors(maxP *uint64) {
maxFDs := DefaultMaxFileDescriptors
if maxP != nil {
maxFDs = *maxP
}
actualMax, err := base.SetMaxFileDescriptors(maxFDs)
if err != nil {
base.Warn("Error setting MaxFileDescriptors to %d: %v", maxFDs, err)
} else if maxP != nil {
base.Log("Configured process to allow %d open file descriptors", actualMax)
}
}
// Re-runs the channelMapper on every document in the database.
// To be used when the JavaScript channelmap function changes.
func (db *Database) UpdateAllDocChannels() error {
base.Log("Recomputing document channels...")
vres, err := db.Bucket.View("sync_gateway", "all_docs", Body{"stale": false, "reduce": false})
if err != nil {
return err
}
for _, row := range vres.Rows {
docid := row.Key.(string)
key := db.realDocID(docid)
err := db.Bucket.Update(key, 0, func(currentValue []byte) ([]byte, error) {
// Be careful: this block can be invoked multiple times if there are races!
if currentValue == nil {
return nil, couchbase.UpdateCancel // someone deleted it?!
}
doc, err := unmarshalDocument(docid, currentValue)
if err != nil {
return nil, err
}
body, err := db.getRevFromDoc(doc, "", false)
if err != nil {
return nil, err
}
parentRevID := doc.History[doc.CurrentRev].Parent
channels, access, err := db.getChannelsAndAccess(doc, body, parentRevID)
if err != nil {
// Probably the validator rejected the doc
access = nil
channels = nil
}
db.updateDocAccess(doc, access)
db.updateDocChannels(doc, channels)
base.Log("\tSaving updated channels and access grants of %q", docid)
return json.Marshal(doc)
})
if err != nil && err != couchbase.UpdateCancel {
base.Warn("Error updating doc %q: %v", docid, err)
}
}
return nil
}
func (sc *ServerContext) RemoveDatabase(dbName string) bool {
sc.lock.Lock()
defer sc.lock.Unlock()
context := sc.databases_[dbName]
if context == nil {
return false
}
base.Log("Closing db /%s (bucket %q)", context.Name, context.Bucket.GetName())
context.Close()
delete(sc.databases_, dbName)
return true
}
// Queries the 'channels' view to get a range of sequences of a single channel as LogEntries.
func (dbc *DatabaseContext) getChangesInChannelFromView(
channelName string, endSeq uint64, options ChangesOptions) (LogEntries, error) {
start := time.Now()
// Query the view:
optMap := changesViewOptions(channelName, endSeq, options)
base.LogTo("Cache", " Querying 'channels' view for %q (start=#%d, end=#%d, limit=%d)", channelName, options.Since+1, endSeq, options.Limit)
vres := channelsViewResult{}
err := dbc.Bucket.ViewCustom("sync_gateway", "channels", optMap, &vres)
if err != nil {
base.Log("Error from 'channels' view: %v", err)
return nil, err
} else if len(vres.Rows) == 0 {
base.LogTo("Cache", " Got no rows from view for %q", channelName)
return nil, nil
}
// Convert the output to LogEntries:
entries := make(LogEntries, 0, len(vres.Rows))
for _, row := range vres.Rows {
entry := &LogEntry{
Sequence: uint64(row.Key[1].(float64)),
DocID: row.ID,
RevID: row.Value.Rev,
Flags: row.Value.Flags,
TimeReceived: time.Now(),
}
// base.LogTo("Cache", " Got view sequence #%d (%q / %q)", entry.Sequence, entry.DocID, entry.RevID)
entries = append(entries, entry)
}
base.LogTo("Cache", " Got %d rows from view for %q: #%d ... #%d",
len(entries), channelName, entries[0].Sequence, entries[len(entries)-1].Sequence)
if elapsed := time.Since(start); elapsed > 200*time.Millisecond {
base.Log("changes_view: Query took %v to return %d rows, options = %#v",
elapsed, len(entries), optMap)
}
changeCacheExpvars.Add("view_queries", 1)
return entries, nil
}
func TestShadowerPull(t *testing.T) {
bucket := makeExternalBucket()
defer bucket.Close()
bucket.Set("key1", 0, Body{"foo": 1})
bucket.Set("key2", 0, Body{"bar": -1})
bucket.SetRaw("key3", 0, []byte("qwertyuiop")) //will be ignored
db := setupTestDB(t)
defer tearDownTestDB(t, db)
shadower, err := NewShadower(db.DatabaseContext, bucket, nil)
assertNoError(t, err, "NewShadower")
defer shadower.Stop()
base.Log("Waiting for shadower to catch up...")
var doc1, doc2 *document
waitFor(t, func() bool {
seq, _ := db.LastSequence()
return seq >= 2
})
doc1, _ = db.GetDoc("key1")
doc2, _ = db.GetDoc("key2")
assert.DeepEquals(t, doc1.body, Body{"foo": float64(1)})
assert.DeepEquals(t, doc2.body, Body{"bar": float64(-1)})
base.Log("Deleting remote doc")
bucket.Delete("key1")
waitFor(t, func() bool {
seq, _ := db.LastSequence()
return seq >= 3
})
doc1, _ = db.GetDoc("key1")
assert.True(t, doc1.hasFlag(channels.Deleted))
_, err = db.Get("key1")
assert.DeepEquals(t, err, &base.HTTPError{Status: 404, Message: "deleted"})
}
// FOR TESTS ONLY: Blocks until the given sequence has been received.
func (c *changeCache) waitForSequence(sequence uint64) {
var i int
for i = 0; i < 20; i++ {
c.lock.Lock()
nextSequence := c.nextSequence
c.lock.Unlock()
if nextSequence >= sequence+1 {
base.Log("waitForSequence(%d) took %d ms", sequence, i*100)
return
}
time.Sleep(100 * time.Millisecond)
}
panic(fmt.Sprintf("changeCache: Sequence %d never showed up!", sequence))
}
// POST a report of database statistics
func (sc *ServerContext) reportStats() {
if sc.config.DeploymentID == nil {
panic("Can't reportStats without DeploymentID")
}
stats := sc.Stats()
if stats == nil {
return // No activity
}
base.Log("Reporting server stats to %s ...", kStatsReportURL)
body, _ := json.Marshal(stats)
bodyReader := bytes.NewReader(body)
_, err := sc.HTTPClient.Post(kStatsReportURL, "application/json", bodyReader)
if err != nil {
base.Warn("Error posting stats: %v", err)
}
}
func (sc *ServerContext) startStatsReporter() {
interval := kStatsReportInterval
if sc.config.StatsReportInterval != nil {
if *sc.config.StatsReportInterval <= 0 {
return
}
interval = time.Duration(*sc.config.StatsReportInterval) * time.Second
}
sc.statsTicker = time.NewTicker(interval)
go func() {
for _ = range sc.statsTicker.C {
sc.reportStats()
}
}()
base.Log("Will report server stats for %q every %v",
*sc.config.DeploymentID, interval)
}
// Deletes a database (and all documents)
func (db *Database) Delete() error {
opts := Body{"stale": false}
vres, err := db.Bucket.View("sync_gateway", "all_bits", opts)
if err != nil {
base.Warn("all_bits view returned %v", err)
return err
}
//FIX: Is there a way to do this in one operation?
base.Log("Deleting %d documents of %q ...", len(vres.Rows), db.Name)
for _, row := range vres.Rows {
base.LogTo("CRUD", "\tDeleting %q", row.ID)
if err := db.Bucket.Delete(row.ID); err != nil {
base.Warn("Error deleting %q: %v", row.ID, err)
}
}
return nil
}
// Calls the JS sync function to assign the doc to channels, grant users
// access to channels, and reject invalid documents.
func (db *Database) getChannelsAndAccess(doc *document, body Body, parentRevID string) (result channels.Set, access channels.AccessMap, err error) {
base.LogTo("CRUD", "Invoking sync on doc %q rev %s", doc.ID, body["_rev"])
var oldJson string
if parentRevID != "" {
oldJson = string(doc.getRevisionJSON(parentRevID))
}
if db.ChannelMapper != nil {
var output *channels.ChannelMapperOutput
output, err = db.ChannelMapper.MapToChannelsAndAccess(body, oldJson,
makeUserCtx(db.user))
if err == nil {
result = output.Channels
access = output.Access
err = output.Rejection
if err != nil {
base.Log("Sync fn rejected: new=%+v old=%s --> %s", body, oldJson, err)
} else if !validateAccessMap(access) {
err = &base.HTTPError{500, fmt.Sprintf("Error in JS sync function")}
}
} else {
base.Warn("Sync fn exception: %+v; doc = %s", err, body)
err = &base.HTTPError{500, "Exception in JS sync function"}
}
} else {
// No ChannelMapper so by default use the "channels" property:
value, _ := body["channels"].([]interface{})
if value != nil {
array := make([]string, 0, len(value))
for _, channel := range value {
channelStr, ok := channel.(string)
if ok && len(channelStr) > 0 {
array = append(array, channelStr)
}
}
result, err = channels.SetFromArray(array, channels.KeepStar)
}
}
return
}
func (sc *ServerContext) startShadowing(dbcontext *db.DatabaseContext, shadow *ShadowConfig) error {
var pattern *regexp.Regexp
if shadow.Doc_id_regex != nil {
var err error
pattern, err = regexp.Compile(*shadow.Doc_id_regex)
if err != nil {
base.Warn("Invalid shadow doc_id_regex: %s", *shadow.Doc_id_regex)
return err
}
}
spec := base.BucketSpec{
Server: shadow.Server,
PoolName: "default",
BucketName: shadow.Bucket,
}
if shadow.Pool != nil {
spec.PoolName = *shadow.Pool
}
if shadow.Username != "" {
spec.Auth = shadow
}
bucket, err := db.ConnectToBucket(spec)
if err != nil {
return err
}
shadower, err := db.NewShadower(dbcontext, bucket, pattern)
if err != nil {
bucket.Close()
return err
}
dbcontext.Shadower = shadower
//Remove credentials from server URL before logging
url, err := couchbase.ParseURL(spec.Server)
if err == nil {
base.Log("Database %q shadowing remote bucket %q, pool %q, server <%s:%s/%s>", dbcontext.Name, spec.BucketName, spec.PoolName, url.Scheme, url.Host, url.Path)
}
return nil
}
func (h *handler) checkAuth(context *db.DatabaseContext) error {
h.user = nil
if context == nil {
return nil
}
// Check cookie first:
var err error
h.user, err = context.Authenticator().AuthenticateCookie(h.rq)
if err != nil {
return err
} else if h.user != nil {
base.LogTo("HTTP+", "#%03d: Authenticated as %q via cookie", h.serialNumber, h.user.Name())
return nil
}
// If no cookie, check HTTP auth:
if userName, password := h.getBasicAuth(); userName != "" {
h.user = context.Authenticator().AuthenticateUser(userName, password)
if h.user == nil {
base.Log("HTTP auth failed for username=%q", userName)
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return &base.HTTPError{http.StatusUnauthorized, "Invalid login"}
}
if h.user.Name() != "" {
base.LogTo("HTTP+", "#%03d: Authenticated as %q", h.serialNumber, h.user.Name())
}
return nil
}
// No auth given -- check guest access
if h.user, err = context.Authenticator().GetUser(""); err != nil {
return err
}
if h.privs == regularPrivs && h.user.Disabled() {
h.response.Header().Set("WWW-Authenticate", `Basic realm="Couchbase Sync Gateway"`)
return &base.HTTPError{http.StatusUnauthorized, "Login required"}
}
return nil
}
