Files
seaweedFS/weed/filer/read_write.go
Chris Lu f9311a3422 s3api: fix static IAM policy enforcement after reload (#8532)
* s3api: honor attached IAM policies over legacy actions

* s3api: hydrate IAM policy docs during config reload

* s3api: use policy-aware auth when listing buckets

* credential: propagate context through filer_etc policy reads

* credential: make legacy policy deletes durable

* s3api: exercise managed policy runtime loader

* s3api: allow static IAM users without session tokens

* iam: deny unmatched attached policies under default allow

* iam: load embedded policy files from filer store

* s3api: require session tokens for IAM presigning

* s3api: sync runtime policies into zero-config IAM

* credential: respect context in policy file loads

* credential: serialize legacy policy deletes

* iam: align filer policy store naming

* s3api: use authenticated principals for presigning

* iam: deep copy policy conditions

* s3api: require request creation in policy tests

* filer: keep ReadInsideFiler as the context-aware API

* iam: harden filer policy store writes

* credential: strengthen legacy policy serialization test

* credential: forward runtime policy loaders through wrapper

* s3api: harden runtime policy merging

* iam: require typed already-exists errors
2026-03-06 12:35:08 -08:00

80 lines
2.1 KiB
Go

package filer
import (
"bytes"
"context"
"time"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/wdclient"
)
func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
}
respLookupEntry, err := filer_pb.LookupEntry(context.Background(), filerClient, request)
if err != nil {
return err
}
if len(respLookupEntry.Entry.Content) > 0 {
_, err = byteBuffer.Write(respLookupEntry.Entry.Content)
return err
}
return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.GetChunks(), 0, int64(FileSize(respLookupEntry.Entry)))
}
func ReadInsideFiler(ctx context.Context, filerClient filer_pb.SeaweedFilerClient, dir, name string) (content []byte, err error) {
request := &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
}
respLookupEntry, err := filer_pb.LookupEntry(ctx, filerClient, request)
if err != nil {
return
}
content = respLookupEntry.Entry.Content
return
}
func SaveInsideFiler(client filer_pb.SeaweedFilerClient, dir, name string, content []byte) error {
resp, err := filer_pb.LookupEntry(context.Background(), client, &filer_pb.LookupDirectoryEntryRequest{
Directory: dir,
Name: name,
})
if err == filer_pb.ErrNotFound {
err = filer_pb.CreateEntry(context.Background(), client, &filer_pb.CreateEntryRequest{
Directory: dir,
Entry: &filer_pb.Entry{
Name: name,
IsDirectory: false,
Attributes: &filer_pb.FuseAttributes{
Mtime: time.Now().Unix(),
Crtime: time.Now().Unix(),
FileMode: uint32(0644),
FileSize: uint64(len(content)),
},
Content: content,
},
SkipCheckParentDirectory: false,
})
} else if err == nil {
entry := resp.Entry
entry.Content = content
entry.Attributes.Mtime = time.Now().Unix()
entry.Attributes.FileSize = uint64(len(content))
err = filer_pb.UpdateEntry(context.Background(), client, &filer_pb.UpdateEntryRequest{
Directory: dir,
Entry: entry,
})
}
return err
}