forked from minio/minio
/
web-handlers.go
2180 lines (1926 loc) · 64.9 KB
/
web-handlers.go
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/*
* MinIO Cloud Storage, (C) 2016-2019 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"context"
"crypto/subtle"
"encoding/json"
"errors"
"fmt"
"io"
"net/http"
"net/url"
"os"
"path"
"reflect"
"runtime"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
"github.com/klauspost/compress/zip"
miniogopolicy "github.com/minio/minio-go/v7/pkg/policy"
"github.com/minio/minio-go/v7/pkg/s3utils"
"storj.io/minio/cmd/config/identity/openid"
"storj.io/minio/cmd/crypto"
xhttp "storj.io/minio/cmd/http"
"storj.io/minio/cmd/logger"
"storj.io/minio/pkg/auth"
"storj.io/minio/pkg/bucket/lifecycle"
objectlock "storj.io/minio/pkg/bucket/object/lock"
"storj.io/minio/pkg/bucket/policy"
"storj.io/minio/pkg/bucket/replication"
"storj.io/minio/pkg/etag"
"storj.io/minio/pkg/event"
"storj.io/minio/pkg/handlers"
"storj.io/minio/pkg/hash"
iampolicy "storj.io/minio/pkg/iam/policy"
"storj.io/minio/pkg/ioutil"
"storj.io/minio/pkg/rpc/json2"
)
func extractBucketObject(args reflect.Value) (bucketName, objectName string) {
switch args.Kind() {
case reflect.Ptr:
a := args.Elem()
for i := 0; i < a.NumField(); i++ {
switch a.Type().Field(i).Name {
case "BucketName":
bucketName = a.Field(i).String()
case "Prefix":
objectName = a.Field(i).String()
case "ObjectName":
objectName = a.Field(i).String()
}
}
}
return bucketName, objectName
}
// WebGenericArgs - empty struct for calls that don't accept arguments
// for ex. ServerInfo
type WebGenericArgs struct{}
// WebGenericRep - reply structure for calls for which reply is success/failure
// for ex. RemoveObject MakeBucket
type WebGenericRep struct {
UIVersion string `json:"uiVersion"`
}
// ServerInfoRep - server info reply.
type ServerInfoRep struct {
MinioVersion string
MinioMemory string
MinioPlatform string
MinioRuntime string
MinioGlobalInfo map[string]interface{}
MinioUserInfo map[string]interface{}
UIVersion string `json:"uiVersion"`
}
// ServerInfo - get server info.
func (web *webAPIHandlers) ServerInfo(r *http.Request, args *WebGenericArgs, reply *ServerInfoRep) error {
ctx := newWebContext(r, args, "WebServerInfo")
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
host, err := os.Hostname()
if err != nil {
host = ""
}
platform := fmt.Sprintf("Host: %s | OS: %s | Arch: %s",
host,
runtime.GOOS,
runtime.GOARCH)
goruntime := fmt.Sprintf("Version: %s | CPUs: %d", runtime.Version(), runtime.NumCPU())
reply.MinioVersion = Version
reply.MinioGlobalInfo = getGlobalInfo()
// Check if the user is IAM user.
reply.MinioUserInfo = map[string]interface{}{
"isIAMUser": !owner,
}
if !owner {
creds, ok := GlobalIAMSys.GetUser(ctx, claims.AccessKey)
if ok && creds.SessionToken != "" {
reply.MinioUserInfo["isTempUser"] = true
}
}
reply.MinioPlatform = platform
reply.MinioRuntime = goruntime
reply.UIVersion = Version
return nil
}
// StorageInfoRep - contains storage usage statistics.
type StorageInfoRep struct {
Used uint64 `json:"used"`
UIVersion string `json:"uiVersion"`
}
// StorageInfo - web call to gather storage usage statistics.
func (web *webAPIHandlers) StorageInfo(r *http.Request, args *WebGenericArgs, reply *StorageInfoRep) error {
ctx := newWebContext(r, args, "WebStorageInfo")
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
_, _, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
dataUsageInfo, _ := loadDataUsageFromBackend(ctx, objectAPI)
reply.Used = dataUsageInfo.ObjectsTotalSize
reply.UIVersion = Version
return nil
}
// MakeBucketArgs - make bucket args.
type MakeBucketArgs struct {
BucketName string `json:"bucketName"`
}
// MakeBucket - creates a new bucket.
func (web *webAPIHandlers) MakeBucket(r *http.Request, args *MakeBucketArgs, reply *WebGenericRep) error {
ctx := newWebContext(r, args, "WebMakeBucket")
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
// For authenticated users apply IAM policy.
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.CreateBucketAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
Claims: claims.Map(),
}) {
return toJSONError(ctx, errAccessDenied)
}
// Check if bucket is a reserved bucket name or invalid.
if isReservedOrInvalidBucket(args.BucketName, true) {
return toJSONError(ctx, errInvalidBucketName, args.BucketName)
}
opts := BucketOptions{
Location: globalServerRegion,
LockEnabled: false,
}
if err := objectAPI.MakeBucketWithLocation(ctx, args.BucketName, opts); err != nil {
return toJSONError(ctx, err, args.BucketName)
}
reply.UIVersion = Version
reqParams := extractReqParams(r)
reqParams["accessKey"] = claims.GetAccessKey()
sendEvent(eventArgs{
EventName: event.BucketCreated,
BucketName: args.BucketName,
ReqParams: reqParams,
UserAgent: r.UserAgent(),
Host: handlers.GetSourceIP(r),
})
return nil
}
// RemoveBucketArgs - remove bucket args.
type RemoveBucketArgs struct {
BucketName string `json:"bucketName"`
}
// DeleteBucket - removes a bucket, must be empty.
func (web *webAPIHandlers) DeleteBucket(r *http.Request, args *RemoveBucketArgs, reply *WebGenericRep) error {
ctx := newWebContext(r, args, "WebDeleteBucket")
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
// For authenticated users apply IAM policy.
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.DeleteBucketAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
Claims: claims.Map(),
}) {
return toJSONError(ctx, errAccessDenied)
}
// Check if bucket is a reserved bucket name or invalid.
if isReservedOrInvalidBucket(args.BucketName, false) {
return toJSONError(ctx, errInvalidBucketName, args.BucketName)
}
reply.UIVersion = Version
deleteBucket := objectAPI.DeleteBucket
if err := deleteBucket(ctx, args.BucketName, false); err != nil {
return toJSONError(ctx, err, args.BucketName)
}
GlobalNotificationSys.DeleteBucketMetadata(ctx, args.BucketName)
reqParams := extractReqParams(r)
reqParams["accessKey"] = claims.AccessKey
sendEvent(eventArgs{
EventName: event.BucketRemoved,
BucketName: args.BucketName,
ReqParams: reqParams,
UserAgent: r.UserAgent(),
Host: handlers.GetSourceIP(r),
})
return nil
}
// ListBucketsRep - list buckets response
type ListBucketsRep struct {
Buckets []WebBucketInfo `json:"buckets"`
UIVersion string `json:"uiVersion"`
}
// WebBucketInfo container for list buckets metadata.
type WebBucketInfo struct {
// The name of the bucket.
Name string `json:"name"`
// Date the bucket was created.
CreationDate time.Time `json:"creationDate"`
}
// ListBuckets - list buckets api.
func (web *webAPIHandlers) ListBuckets(r *http.Request, args *WebGenericArgs, reply *ListBucketsRep) error {
ctx := newWebContext(r, args, "WebListBuckets")
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
listBuckets := objectAPI.ListBuckets
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
// Set prefix value for "s3:prefix" policy conditionals.
r.Header.Set("prefix", "")
// Set delimiter value for "s3:delimiter" policy conditionals.
r.Header.Set("delimiter", SlashSeparator)
buckets, err := listBuckets(ctx)
if err != nil {
return toJSONError(ctx, err)
}
for _, bucket := range buckets {
if GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.ListBucketAction,
BucketName: bucket.Name,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
ObjectName: "",
Claims: claims.Map(),
}) {
reply.Buckets = append(reply.Buckets, WebBucketInfo{
Name: bucket.Name,
CreationDate: bucket.Created,
})
}
}
reply.UIVersion = Version
return nil
}
// ListObjectsArgs - list object args.
type ListObjectsArgs struct {
BucketName string `json:"bucketName"`
Prefix string `json:"prefix"`
Marker string `json:"marker"`
}
// ListObjectsRep - list objects response.
type ListObjectsRep struct {
Objects []WebObjectInfo `json:"objects"`
Writable bool `json:"writable"` // Used by client to show "upload file" button.
UIVersion string `json:"uiVersion"`
}
// WebObjectInfo container for list objects metadata.
type WebObjectInfo struct {
// Name of the object
Key string `json:"name"`
// Date and time the object was last modified.
LastModified time.Time `json:"lastModified"`
// Size in bytes of the object.
Size int64 `json:"size"`
// ContentType is mime type of the object.
ContentType string `json:"contentType"`
}
// ListObjects - list objects api.
func (web *webAPIHandlers) ListObjects(r *http.Request, args *ListObjectsArgs, reply *ListObjectsRep) error {
ctx := newWebContext(r, args, "WebListObjects")
reply.UIVersion = Version
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
listObjects := objectAPI.ListObjects
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
if authErr == errNoAuthToken {
// Set prefix value for "s3:prefix" policy conditionals.
r.Header.Set("prefix", args.Prefix)
// Set delimiter value for "s3:delimiter" policy conditionals.
r.Header.Set("delimiter", SlashSeparator)
// Check if anonymous (non-owner) has access to download objects.
readable := globalPolicySys.IsAllowed(policy.Args{
Action: policy.ListBucketAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
})
// Check if anonymous (non-owner) has access to upload objects.
writable := globalPolicySys.IsAllowed(policy.Args{
Action: policy.PutObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: args.Prefix + SlashSeparator,
})
reply.Writable = writable
if !readable {
// Error out if anonymous user (non-owner) has no access to download or upload objects
if !writable {
return errAccessDenied
}
// return empty object list if access is write only
return nil
}
} else {
return toJSONError(ctx, authErr)
}
}
// For authenticated users apply IAM policy.
if authErr == nil {
// Set prefix value for "s3:prefix" policy conditionals.
r.Header.Set("prefix", args.Prefix)
// Set delimiter value for "s3:delimiter" policy conditionals.
r.Header.Set("delimiter", SlashSeparator)
readable := GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.ListBucketAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
Claims: claims.Map(),
})
writable := GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.PutObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
ObjectName: args.Prefix + SlashSeparator,
Claims: claims.Map(),
})
reply.Writable = writable
if !readable {
// Error out if anonymous user (non-owner) has no access to download or upload objects
if !writable {
return errAccessDenied
}
// return empty object list if access is write only
return nil
}
}
// Check if bucket is a reserved bucket name or invalid.
if isReservedOrInvalidBucket(args.BucketName, false) {
return toJSONError(ctx, errInvalidBucketName, args.BucketName)
}
nextMarker := ""
// Fetch all the objects
for {
// Limit browser to '1000' batches to be more responsive, scrolling friendly.
// Also don't change the maxKeys value silly GCS SDKs do not honor maxKeys
// values to be '-1'
lo, err := listObjects(ctx, args.BucketName, args.Prefix, nextMarker, SlashSeparator, 1000)
if err != nil {
return &json2.Error{Message: err.Error()}
}
nextMarker = lo.NextMarker
for i := range lo.Objects {
lo.Objects[i].Size, err = lo.Objects[i].GetActualSize()
if err != nil {
return toJSONError(ctx, err)
}
}
for _, obj := range lo.Objects {
reply.Objects = append(reply.Objects, WebObjectInfo{
Key: obj.Name,
LastModified: obj.ModTime,
Size: obj.Size,
ContentType: obj.ContentType,
})
}
for _, prefix := range lo.Prefixes {
reply.Objects = append(reply.Objects, WebObjectInfo{
Key: prefix,
})
}
// Return when there are no more objects
if !lo.IsTruncated {
return nil
}
}
}
// RemoveObjectArgs - args to remove an object, JSON will look like.
//
// {
// "bucketname": "testbucket",
// "objects": [
// "photos/hawaii/",
// "photos/maldives/",
// "photos/sanjose.jpg"
// ]
// }
type RemoveObjectArgs struct {
Objects []string `json:"objects"` // Contains objects, prefixes.
BucketName string `json:"bucketname"` // Contains bucket name.
}
// RemoveObject - removes an object, or all the objects at a given prefix.
func (web *webAPIHandlers) RemoveObject(r *http.Request, args *RemoveObjectArgs, reply *WebGenericRep) error {
ctx := newWebContext(r, args, "WebRemoveObject")
objectAPI := web.ObjectAPI()
if objectAPI == nil {
return toJSONError(ctx, errServerNotInitialized)
}
deleteObjects := objectAPI.DeleteObjects
if web.CacheAPI() != nil {
deleteObjects = web.CacheAPI().DeleteObjects
}
getObjectInfoFn := objectAPI.GetObjectInfo
if web.CacheAPI() != nil {
getObjectInfoFn = web.CacheAPI().GetObjectInfo
}
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
if authErr == errNoAuthToken {
// Check if all objects are allowed to be deleted anonymously
for _, object := range args.Objects {
if !globalPolicySys.IsAllowed(policy.Args{
Action: policy.DeleteObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: object,
}) {
return toJSONError(ctx, errAuthentication)
}
}
} else {
return toJSONError(ctx, authErr)
}
}
if args.BucketName == "" || len(args.Objects) == 0 {
return toJSONError(ctx, errInvalidArgument)
}
// Check if bucket is a reserved bucket name or invalid.
if isReservedOrInvalidBucket(args.BucketName, false) {
return toJSONError(ctx, errInvalidBucketName, args.BucketName)
}
reply.UIVersion = Version
opts := ObjectOptions{
Versioned: globalBucketVersioningSys.Enabled(args.BucketName),
VersionSuspended: globalBucketVersioningSys.Suspended(args.BucketName),
}
var (
err error
replicateSync bool
)
reqParams := extractReqParams(r)
reqParams["accessKey"] = claims.GetAccessKey()
sourceIP := handlers.GetSourceIP(r)
next:
for _, objectName := range args.Objects {
// If not a directory, remove the object.
if !HasSuffix(objectName, SlashSeparator) && objectName != "" {
// Check permissions for non-anonymous user.
if authErr != errNoAuthToken {
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.DeleteObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
ObjectName: objectName,
Claims: claims.Map(),
}) {
return toJSONError(ctx, errAccessDenied)
}
}
if authErr == errNoAuthToken {
// Check if object is allowed to be deleted anonymously.
if !globalPolicySys.IsAllowed(policy.Args{
Action: policy.DeleteObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: objectName,
}) {
return toJSONError(ctx, errAccessDenied)
}
}
var (
replicateDel, hasLifecycleConfig bool
goi ObjectInfo
gerr error
)
if _, err := globalBucketMetadataSys.GetLifecycleConfig(args.BucketName); err == nil {
hasLifecycleConfig = true
}
if hasReplicationRules(ctx, args.BucketName, []ObjectToDelete{{ObjectName: objectName}}) || hasLifecycleConfig {
goi, gerr = getObjectInfoFn(ctx, args.BucketName, objectName, opts)
if replicateDel, replicateSync = checkReplicateDelete(ctx, args.BucketName, ObjectToDelete{
ObjectName: objectName,
VersionID: goi.VersionID,
}, goi, gerr); replicateDel {
opts.DeleteMarkerReplicationStatus = string(replication.Pending)
opts.DeleteMarker = true
}
}
deleteObject := objectAPI.DeleteObject
if web.CacheAPI() != nil {
deleteObject = web.CacheAPI().DeleteObject
}
oi, err := deleteObject(ctx, args.BucketName, objectName, opts)
if err != nil {
switch err.(type) {
case BucketNotFound:
return toJSONError(ctx, err)
}
}
if oi.Name == "" {
logger.LogIf(ctx, err)
continue
}
eventName := event.ObjectRemovedDelete
if oi.DeleteMarker {
eventName = event.ObjectRemovedDeleteMarkerCreated
}
// Notify object deleted event.
sendEvent(eventArgs{
EventName: eventName,
BucketName: args.BucketName,
Object: oi,
ReqParams: reqParams,
UserAgent: r.UserAgent(),
Host: sourceIP,
})
if replicateDel {
dobj := DeletedObjectVersionInfo{
DeletedObject: DeletedObject{
ObjectName: objectName,
DeleteMarkerVersionID: oi.VersionID,
DeleteMarkerReplicationStatus: string(oi.ReplicationStatus),
DeleteMarkerMTime: DeleteMarkerMTime{oi.ModTime},
DeleteMarker: oi.DeleteMarker,
VersionPurgeStatus: oi.VersionPurgeStatus,
},
Bucket: args.BucketName,
}
scheduleReplicationDelete(ctx, dobj, objectAPI, replicateSync)
}
if goi.TransitionStatus == lifecycle.TransitionComplete {
deleteTransitionedObject(ctx, objectAPI, args.BucketName, objectName, lifecycle.ObjectOpts{
Name: objectName,
UserTags: goi.UserTags,
VersionID: goi.VersionID,
DeleteMarker: goi.DeleteMarker,
TransitionStatus: goi.TransitionStatus,
IsLatest: goi.IsLatest,
}, false, true)
}
logger.LogIf(ctx, err)
continue
}
if authErr == errNoAuthToken {
// Check if object is allowed to be deleted anonymously
if !globalPolicySys.IsAllowed(policy.Args{
Action: iampolicy.DeleteObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: objectName,
}) {
return toJSONError(ctx, errAccessDenied)
}
} else {
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.DeleteObjectAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
ObjectName: objectName,
Claims: claims.Map(),
}) {
return toJSONError(ctx, errAccessDenied)
}
}
// Allocate new results channel to receive ObjectInfo.
objInfoCh := make(chan ObjectInfo)
// Walk through all objects
if err = objectAPI.Walk(ctx, args.BucketName, objectName, objInfoCh, ObjectOptions{}); err != nil {
break next
}
for {
var objects []ObjectToDelete
for obj := range objInfoCh {
if len(objects) == maxDeleteList {
// Reached maximum delete requests, attempt a delete for now.
break
}
if obj.ReplicationStatus == replication.Replica {
if authErr == errNoAuthToken {
// Check if object is allowed to be deleted anonymously
if !globalPolicySys.IsAllowed(policy.Args{
Action: iampolicy.ReplicateDeleteAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: objectName,
}) {
return toJSONError(ctx, errAccessDenied)
}
} else {
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.ReplicateDeleteAction,
BucketName: args.BucketName,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
IsOwner: owner,
ObjectName: objectName,
Claims: claims.Map(),
}) {
return toJSONError(ctx, errAccessDenied)
}
}
}
replicateDel, _ := checkReplicateDelete(ctx, args.BucketName, ObjectToDelete{ObjectName: obj.Name, VersionID: obj.VersionID}, obj, nil)
// since versioned delete is not available on web browser, yet - this is a simple DeleteMarker replication
objToDel := ObjectToDelete{ObjectName: obj.Name}
if replicateDel {
objToDel.DeleteMarkerReplicationStatus = string(replication.Pending)
}
objects = append(objects, objToDel)
}
// Nothing to do.
if len(objects) == 0 {
break next
}
// Deletes a list of objects.
deletedObjects, errs := deleteObjects(ctx, args.BucketName, objects, opts)
for i, err := range errs {
if err != nil && !isErrObjectNotFound(err) {
deletedObjects[i].DeleteMarkerReplicationStatus = objects[i].DeleteMarkerReplicationStatus
deletedObjects[i].VersionPurgeStatus = objects[i].VersionPurgeStatus
}
if err != nil {
logger.LogIf(ctx, err)
break next
}
}
// Notify deleted event for objects.
for _, dobj := range deletedObjects {
objInfo := ObjectInfo{
Name: dobj.ObjectName,
VersionID: dobj.VersionID,
}
if dobj.DeleteMarker {
objInfo = ObjectInfo{
Name: dobj.ObjectName,
DeleteMarker: dobj.DeleteMarker,
VersionID: dobj.DeleteMarkerVersionID,
}
}
sendEvent(eventArgs{
EventName: event.ObjectRemovedDelete,
BucketName: args.BucketName,
Object: objInfo,
ReqParams: reqParams,
UserAgent: r.UserAgent(),
Host: sourceIP,
})
if dobj.DeleteMarkerReplicationStatus == string(replication.Pending) || dobj.VersionPurgeStatus == Pending {
dv := DeletedObjectVersionInfo{
DeletedObject: dobj,
Bucket: args.BucketName,
}
scheduleReplicationDelete(ctx, dv, objectAPI, replicateSync)
}
}
}
}
if err != nil && !isErrObjectNotFound(err) && !isErrVersionNotFound(err) {
// Ignore object not found error.
return toJSONError(ctx, err, args.BucketName, "")
}
return nil
}
// LoginArgs - login arguments.
type LoginArgs struct {
Username string `json:"username" form:"username"`
Password string `json:"password" form:"password"`
}
// LoginRep - login reply.
type LoginRep struct {
Token string `json:"token"`
UIVersion string `json:"uiVersion"`
}
// Login - user login handler.
func (web *webAPIHandlers) Login(r *http.Request, args *LoginArgs, reply *LoginRep) error {
ctx := newWebContext(r, args, "WebLogin")
token, err := authenticateWeb(args.Username, args.Password)
if err != nil {
return toJSONError(ctx, err)
}
reply.Token = token
reply.UIVersion = Version
return nil
}
// SetAuthArgs - argument for SetAuth
type SetAuthArgs struct {
CurrentAccessKey string `json:"currentAccessKey"`
CurrentSecretKey string `json:"currentSecretKey"`
NewAccessKey string `json:"newAccessKey"`
NewSecretKey string `json:"newSecretKey"`
}
// SetAuthReply - reply for SetAuth
type SetAuthReply struct {
Token string `json:"token"`
UIVersion string `json:"uiVersion"`
PeerErrMsgs map[string]string `json:"peerErrMsgs"`
}
// SetAuth - Set accessKey and secretKey credentials.
func (web *webAPIHandlers) SetAuth(r *http.Request, args *SetAuthArgs, reply *SetAuthReply) error {
ctx := newWebContext(r, args, "WebSetAuth")
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
if owner {
// Owner is not allowed to change credentials through browser.
return toJSONError(ctx, errChangeCredNotAllowed)
}
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.CreateUserAdminAction,
IsOwner: false,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),
Claims: claims.Map(),
DenyOnly: true,
}) {
return toJSONError(ctx, errChangeCredNotAllowed)
}
// for IAM users, access key cannot be updated
// claims.AccessKey is used instead of accesskey from args
prevCred, ok := GlobalIAMSys.GetUser(ctx, claims.AccessKey)
if !ok {
return errInvalidAccessKeyID
}
// Throw error when wrong secret key is provided
if subtle.ConstantTimeCompare([]byte(prevCred.SecretKey), []byte(args.CurrentSecretKey)) != 1 {
return errIncorrectCreds
}
creds, err := auth.CreateCredentials(claims.AccessKey, args.NewSecretKey)
if err != nil {
return toJSONError(ctx, err)
}
err = GlobalIAMSys.SetUserSecretKey(creds.AccessKey, creds.SecretKey)
if err != nil {
return toJSONError(ctx, err)
}
reply.Token, err = authenticateWeb(creds.AccessKey, creds.SecretKey)
if err != nil {
return toJSONError(ctx, err)
}
reply.UIVersion = Version
return nil
}
// URLTokenReply contains the reply for CreateURLToken.
type URLTokenReply struct {
Token string `json:"token"`
UIVersion string `json:"uiVersion"`
}
// CreateURLToken creates a URL token (short-lived) for GET requests.
func (web *webAPIHandlers) CreateURLToken(r *http.Request, args *WebGenericArgs, reply *URLTokenReply) error {
ctx := newWebContext(r, args, "WebCreateURLToken")
claims, owner, authErr := webRequestAuthenticate(r)
if authErr != nil {
return toJSONError(ctx, authErr)
}
creds := globalActiveCred
if !owner {
var ok bool
creds, ok = GlobalIAMSys.GetUser(ctx, claims.AccessKey)
if !ok {
return toJSONError(ctx, errInvalidAccessKeyID)
}
}
if creds.SessionToken != "" {
// Use the same session token for URL token.
reply.Token = creds.SessionToken
} else {
token, err := authenticateURL(creds.AccessKey, creds.SecretKey)
if err != nil {
return toJSONError(ctx, err)
}
reply.Token = token
}
reply.UIVersion = Version
return nil
}
// Upload - file upload handler.
func (web *webAPIHandlers) Upload(w http.ResponseWriter, r *http.Request) {
ctx := NewContext(r, w, "WebUpload")
// obtain the claims here if possible, for audit logging.
claims, owner, authErr := webRequestAuthenticate(r)
defer logger.AuditLog(ctx, w, r, claims.Map())
objectAPI := web.ObjectAPI()
if objectAPI == nil {
writeWebErrorResponse(w, errServerNotInitialized)
return
}
vars := mux.Vars(r)
bucket := vars["bucket"]
object, err := unescapePath(vars["object"])
if err != nil {
writeWebErrorResponse(w, err)
return
}
retPerms := ErrAccessDenied
holdPerms := ErrAccessDenied
replPerms := ErrAccessDenied
if authErr != nil {
if authErr == errNoAuthToken {
// Check if anonymous (non-owner) has access to upload objects.
if !globalPolicySys.IsAllowed(policy.Args{
Action: policy.PutObjectAction,
BucketName: bucket,
ConditionValues: getConditionValues(r, "", "", nil),
IsOwner: false,
ObjectName: object,
}) {
writeWebErrorResponse(w, errAuthentication)
return
}
} else {
writeWebErrorResponse(w, authErr)
return
}
}
// For authenticated users apply IAM policy.
if authErr == nil {
if !GlobalIAMSys.IsAllowed(iampolicy.Args{
AccountName: claims.AccessKey,
Action: iampolicy.PutObjectAction,
BucketName: bucket,
ConditionValues: getConditionValues(r, "", claims.AccessKey, claims.Map()),