Files
versity-versitygw/s3api/controllers/object-get.go
T
dualfroz 86ff18f8c1 fix: reject unknown response-* query parameters in GetObject and HeadObject
getobject and headobject silently ignored any response-* query parameter outside the six overridable headers. they now return 400 InvalidArgument naming the parameter and its value, like s3, and the rest tests skipped for this issue are enabled.

Fixes #2075
2026-10-07 19:40:28 +02:00

648 lines
19 KiB
Go

// Copyright 2023 Versity Software
// This file is 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 controllers
import (
"fmt"
"math"
"net/http"
"strings"
"time"
"github.com/aws/aws-sdk-go-v2/service/s3"
"github.com/aws/aws-sdk-go-v2/service/s3/types"
"github.com/gofiber/fiber/v3"
"github.com/versity/versitygw/auth"
"github.com/versity/versitygw/debuglogger"
"github.com/versity/versitygw/s3api/utils"
"github.com/versity/versitygw/s3err"
"github.com/versity/versitygw/s3response"
)
func (c S3ApiController) GetObjectTagging(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
versionId := ctx.Query("versionId")
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
if err := utils.ValidateVersionId(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
action := auth.GetObjectTaggingAction
if versionId != "" {
action = auth.GetObjectVersionTaggingAction
}
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{action},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
data, err := c.be.GetObjectTagging(ctx.RequestCtx(), bucket, key, versionId)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
tags := s3response.Tagging{
TagSet: s3response.TagSet{Tags: []s3response.Tag{}},
}
for key, val := range data {
tags.TagSet.Tags = append(tags.TagSet.Tags,
s3response.Tag{Key: key, Value: val})
}
return &Response{
Data: tags,
Headers: map[string]*string{
"x-amz-version-id": &versionId,
},
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, nil
}
func (c S3ApiController) GetObjectRetention(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
versionId := ctx.Query("versionId")
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
if err := utils.ValidateVersionId(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{auth.GetObjectRetentionAction},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
data, err := c.be.GetObjectRetention(ctx.RequestCtx(), bucket, key, versionId)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
retention, err := auth.ParseObjectLockRetentionOutput(data)
return &Response{
Data: retention,
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
func (c S3ApiController) GetObjectLegalHold(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
versionId := ctx.Query("versionId")
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
if err := utils.ValidateVersionId(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{auth.GetObjectLegalHoldAction},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
data, err := c.be.GetObjectLegalHold(ctx.RequestCtx(), bucket, key, versionId)
return &Response{
Data: auth.ParseObjectLegalHoldOutput(data),
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
func (c S3ApiController) GetObjectAcl(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionReadAcp,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{auth.GetObjectAclAction},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
res, err := c.be.GetObjectAcl(ctx.RequestCtx(), &s3.GetObjectAclInput{
Bucket: &bucket,
Key: &key,
})
return &Response{
Data: res,
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
func (c S3ApiController) ListParts(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
ssec := utils.ExtractSSECHeaders(ctx)
uploadId := ctx.Query("uploadId")
partNumberMarker := ctx.Query("part-number-marker")
maxPartsStr := ctx.Query("max-parts")
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{auth.ListMultipartUploadPartsAction},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
// parse/validate the part number marker
_, err = utils.ParseMaxLimiter(partNumberMarker, utils.LimiterTypePartNumberMarker)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
// parse the max parts
maxParts, err := utils.ParseMaxLimiter(maxPartsStr, utils.LimiterTypeMaxParts)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
res, err := c.be.ListParts(ctx.RequestCtx(), &s3.ListPartsInput{
Bucket: &bucket,
Key: &key,
UploadId: &uploadId,
PartNumberMarker: &partNumberMarker,
MaxParts: &maxParts,
SSECustomerAlgorithm: ssec.Algorithm,
SSECustomerKey: ssec.Key,
SSECustomerKeyMD5: ssec.KeyMD5,
})
return &Response{
Data: res,
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
func (c S3ApiController) GetObjectAttributes(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
versionId := ctx.Query("versionId")
maxPartsStr := ctx.Get("X-Amz-Max-Parts")
partNumberMarker := ctx.Get("X-Amz-Part-Number-Marker")
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucket := utils.ContextKeyPublicBucket.IsSet(ctx)
if err := utils.ValidateVersionId(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
action := auth.GetObjectAttributesAction
if versionId != "" {
action = auth.GetObjectVersionAttributesAction
}
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{action},
IsPublicRequest: isPublicBucket,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
ssec, err := c.parseSSECHeaders(ctx)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
var maxParts *int32
// parse max parts
parsed, err := utils.ParseMaxLimiter(maxPartsStr, utils.LimiterTypeMaxParts)
if err == nil {
maxParts = &parsed
}
// parse the object attributes
attrs, err := utils.ParseObjectAttributes(ctx)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
res, err := c.be.GetObjectAttributes(ctx.RequestCtx(),
&s3.GetObjectAttributesInput{
SSECustomerAlgorithm: ssec.Algorithm,
SSECustomerKey: ssec.Key,
SSECustomerKeyMD5: ssec.KeyMD5,
Bucket: &bucket,
Key: &key,
PartNumberMarker: &partNumberMarker,
MaxParts: maxParts,
VersionId: &versionId,
})
if err != nil {
headers := map[string]*string{
"x-amz-version-id": res.VersionId,
}
if res.DeleteMarker != nil && *res.DeleteMarker {
headers["x-amz-delete-marker"] = utils.GetStringPtr("true")
}
return &Response{
Headers: headers,
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
headers := map[string]*string{
"x-amz-version-id": res.VersionId,
"Last-Modified": utils.FormatDatePtrToString(res.LastModified, iso8601TimeFormatExtended),
}
if res.DeleteMarker != nil && *res.DeleteMarker {
headers["x-amz-delete-marker"] = utils.GetStringPtr("true")
}
return &Response{
Headers: headers,
Data: utils.FilterObjectAttributes(attrs, res),
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
func (c S3ApiController) GetObject(ctx fiber.Ctx) (*Response, error) {
bucket := ctx.Params("bucket")
key := strings.TrimPrefix(ctx.Path(), fmt.Sprintf("/%s/", bucket))
versionId := ctx.Query("versionId")
acceptRange := ctx.Get("Range")
checksumMode := types.ChecksumMode(strings.ToUpper(ctx.Get("x-amz-checksum-mode")))
partNumberQuery := int32(fiber.Query[int](ctx, "partNumber", -1))
// Extract response override query parameters
responseOverrides := map[string]*string{
"Cache-Control": utils.GetQueryParam(ctx, "response-cache-control"),
"Content-Disposition": utils.GetQueryParam(ctx, "response-content-disposition"),
"Content-Encoding": utils.GetQueryParam(ctx, "response-content-encoding"),
"Content-Language": utils.GetQueryParam(ctx, "response-content-language"),
"Content-Type": utils.GetQueryParam(ctx, "response-content-type"),
"Expires": utils.GetQueryParam(ctx, "response-expires"),
}
// Check if any response override parameters are present
hasResponseOverrides := false
for _, override := range responseOverrides {
if override != nil {
hasResponseOverrides = true
break
}
}
// context locals
acct := utils.ContextKeyAccount.Get(ctx).(auth.Account)
isRoot := utils.ContextKeyIsRoot.Get(ctx).(bool)
parsedAcl := utils.ContextKeyParsedAcl.Get(ctx).(auth.ACL)
isPublicBucketRequest := utils.ContextKeyPublicBucket.IsSet(ctx)
utils.ContextKeySkipResBodyLog.Set(ctx, true)
if err := utils.ValidateResponseOverrides(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
// Validate that response override parameters are not used with anonymous requests
if hasResponseOverrides && isPublicBucketRequest {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, s3err.GetAPIError(s3err.ErrAnonymousResponseHeaders)
}
if err := utils.ValidateVersionId(ctx); err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
action := auth.GetObjectAction
if ctx.Request().URI().QueryArgs().Has("versionId") {
action = auth.GetObjectVersionAction
}
err := c.verifyAccess(ctx, auth.AccessOptions{
Acl: parsedAcl,
AclPermission: auth.PermissionRead,
IsRoot: isRoot,
Acc: acct,
Bucket: bucket,
Object: key,
Actions: []auth.Action{action},
IsPublicRequest: isPublicBucketRequest,
})
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
ssec, err := c.parseSSECHeaders(ctx)
if err != nil {
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
var partNumber *int32
if ctx.Request().URI().QueryArgs().Has("partNumber") {
if partNumberQuery < minPartNumber || partNumberQuery > int32(c.effectiveMpMaxParts()) {
debuglogger.Logf("invalid part number: %d", partNumberQuery)
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, s3err.GetInvalidArgumentErr(s3err.InvalidArgPartNumber, ctx.Query("partNumber"))
}
if acceptRange != "" {
debuglogger.Logf("Range and partNumber cannot both be specified")
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, s3err.GetAPIError(s3err.ErrRangeAndPartNumber)
}
partNumber = &partNumberQuery
}
// validate the checksum mode
if checksumMode != "" && checksumMode != types.ChecksumModeEnabled {
debuglogger.Logf("invalid x-amz-checksum-mode header value: %v", checksumMode)
return &Response{
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, s3err.GetInvalidChecksumHeaderErr("x-amz-checksum-mode")
}
conditionalHeaders := utils.ParsePreconditionHeaders(ctx)
res, err := c.be.GetObject(ctx.RequestCtx(), &s3.GetObjectInput{
SSECustomerAlgorithm: ssec.Algorithm,
SSECustomerKey: ssec.Key,
SSECustomerKeyMD5: ssec.KeyMD5,
Bucket: &bucket,
Key: &key,
Range: &acceptRange,
IfMatch: conditionalHeaders.IfMatch,
IfNoneMatch: conditionalHeaders.IfNoneMatch,
IfModifiedSince: conditionalHeaders.IfModSince,
IfUnmodifiedSince: conditionalHeaders.IfUnmodeSince,
VersionId: &versionId,
ChecksumMode: checksumMode,
PartNumber: partNumber,
})
if err != nil {
var headers map[string]*string
if res != nil {
headers = map[string]*string{
"x-amz-delete-marker": utils.GetStringPtr("true"),
"Last-Modified": utils.FormatDatePtrToString(res.LastModified, timefmt),
}
}
return &Response{
Headers: headers,
MetaOpts: &MetaOptions{
BucketOwner: parsedAcl.Owner,
},
}, err
}
// Set x-amz-meta-... headers
utils.SetMetaHeaders(ctx, res.Metadata)
status := http.StatusOK
if res.ContentRange != nil && *res.ContentRange != "" {
status = http.StatusPartialContent
}
if res.Body != nil {
// -1 will stream response body until EOF if content length not set
contentLen := -1
if res.ContentLength != nil {
if *res.ContentLength > int64(math.MaxInt) {
debuglogger.Logf("content length %v int overflow",
*res.ContentLength)
return &Response{
MetaOpts: &MetaOptions{
ContentLength: utils.GetInt64(res.ContentLength),
BucketOwner: parsedAcl.Owner,
Status: status,
},
}, s3err.GetInvalidRangeErr("", *res.ContentLength)
}
contentLen = int(*res.ContentLength)
}
utils.StreamResponseBody(ctx, res.Body, contentLen)
}
return &Response{
Headers: map[string]*string{
"ETag": res.ETag,
"x-amz-restore": res.Restore,
"accept-ranges": res.AcceptRanges,
"Content-Range": res.ContentRange,
"Content-Disposition": utils.ApplyOverride(res.ContentDisposition, responseOverrides["Content-Disposition"]),
"Content-Encoding": utils.ApplyOverride(res.ContentEncoding, responseOverrides["Content-Encoding"]),
"Content-Language": utils.ApplyOverride(res.ContentLanguage, responseOverrides["Content-Language"]),
"Cache-Control": utils.ApplyOverride(res.CacheControl, responseOverrides["Cache-Control"]),
"Expires": utils.ApplyOverride(res.ExpiresString, responseOverrides["Expires"]),
"x-amz-website-redirect-location": res.WebsiteRedirectLocation,
"x-amz-checksum-crc32": res.ChecksumCRC32,
"x-amz-checksum-crc64nvme": res.ChecksumCRC64NVME,
"x-amz-checksum-crc32c": res.ChecksumCRC32C,
"x-amz-checksum-sha1": res.ChecksumSHA1,
"x-amz-checksum-sha256": res.ChecksumSHA256,
"x-amz-checksum-sha512": res.ChecksumSHA512,
"x-amz-checksum-md5": res.ChecksumMD5,
"x-amz-checksum-xxhash64": res.ChecksumXXHASH64,
"x-amz-checksum-xxhash3": res.ChecksumXXHASH3,
"x-amz-checksum-xxhash128": res.ChecksumXXHASH128,
"Content-Type": utils.ApplyOverride(res.ContentType, responseOverrides["Content-Type"]),
"x-amz-version-id": res.VersionId,
"Content-Length": utils.ConvertPtrToStringPtr(res.ContentLength),
"x-amz-mp-parts-count": utils.ConvertPtrToStringPtr(res.PartsCount),
"x-amz-tagging-count": utils.ConvertPtrToStringPtr(res.TagCount),
"x-amz-object-lock-mode": utils.ConvertToStringPtr(res.ObjectLockMode),
"x-amz-object-lock-legal-hold": utils.ConvertToStringPtr(res.ObjectLockLegalHoldStatus),
"x-amz-storage-class": utils.ConvertToStringPtr(res.StorageClass),
"x-amz-checksum-type": utils.ConvertToStringPtr(res.ChecksumType),
"x-amz-object-lock-retain-until-date": utils.FormatDatePtrToString(res.ObjectLockRetainUntilDate, time.RFC3339),
"Last-Modified": utils.FormatDatePtrToString(res.LastModified, timefmt),
"x-amz-server-side-encryption-customer-algorithm": res.SSECustomerAlgorithm,
"x-amz-server-side-encryption-customer-key-MD5": res.SSECustomerKeyMD5,
},
MetaOpts: &MetaOptions{
ContentLength: utils.GetInt64(res.ContentLength),
BucketOwner: parsedAcl.Owner,
Status: status,
},
}, nil
}