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package main
import (
//"context"
"errors"
"encoding/json"
garage "git.deuxfleurs.fr/garage-sdk/garage-admin-sdk-golang"
"github.com/gorilla/mux"
"log"
"net/http"
)
type ApiQuotaView struct {
files *uint64
size *uint64
}
type ApiBucketView struct {
global *bool
max *ApiQuotaView
used *ApiQuotaView
}
type BucketRequest struct {
s3key *garage.KeyInfo
bucketName string
bucketId string
global bool
http *http.Request
}
func handleAPIGarageBucket(w http.ResponseWriter, r *http.Request) {
br, err := buildBucketRequest(w, r)
if err != nil {
return
}
if r.Method == http.MethodPatch {
patchGarageBucket(w, br)
return
}
if r.Method == http.MethodGet {
getGarageBucket(w, br)
return
}
http.Error(w, "This method is not implemented for this endpoint", http.StatusNotImplemented)
return
}
func buildBucketRequest(w http.ResponseWriter, r *http.Request) (*BucketRequest, error) {
user := RequireUserApi(w, r)
if user == nil {
return nil, errors.New("Unable to fetch user")
}
// FETCH BUCKET ID by iterating over buckets owned by this key
bucketName := mux.Vars(r)["bucket"]
var bucketId *string
var global *bool
s3key, err := user.S3KeyInfo()
if err != nil {
return nil, err
}
findBucketIdLoop:
for _, bucket := range s3key.Buckets {
for _, localAlias := range bucket.LocalAliases {
if localAlias == bucketName {
bucketId = bucket.Id
*global = false
break findBucketIdLoop
}
}
for _, globalAlias := range bucket.GlobalAliases {
if globalAlias == bucketName {
bucketId = bucket.Id
*global = true
break findBucketIdLoop
}
}
}
if bucketId == nil || global == nil {
http.Error(w, "Bucket not found in this account", http.StatusNotFound)
return nil, errors.New("Unable to fetch bucket ID")
}
return &BucketRequest{
s3key: s3key,
bucketName: bucketName,
bucketId: *bucketId,
global: *global,
http: r,
}, nil
}
func patchGarageBucket(w http.ResponseWriter, br *BucketRequest) {
var err error
// DECODE BODY
var queuedChange ApiBucketView
decoder := json.NewDecoder(br.http.Body)
err = decoder.Decode(&queuedChange)
if err != nil {
log.Println(err)
http.Error(w, "Unable to decode the body", http.StatusBadRequest)
return
}
// SET THE GLOBAL FLAG
if queuedChange.global != nil {
if *queuedChange.global && !br.global {
_, err = grgAddGlobalAlias(br.bucketId, br.bucketName)
if err != nil {
http.Error(w, "Unable to add the requested name as global alias for this bucket", http.StatusInternalServerError)
return
}
_, err = grgDelLocalAlias(br.bucketId, *br.s3key.AccessKeyId, br.bucketName)
if err != nil {
http.Error(w, "Unable to remove the local alias for this bucket", http.StatusInternalServerError)
return
}
} else if !*queuedChange.global && br.global {
grgAddLocalAlias(br.bucketId, *br.s3key.AccessKeyId, br.bucketName)
if err != nil {
http.Error(w, "Unable to add the requested name as local alias for this bucket", http.StatusInternalServerError)
return
}
grgDelGlobalAlias(br.bucketId, br.bucketName)
if err != nil {
http.Error(w, "Unable to remove the global alias for this bucket", http.StatusInternalServerError)
return
}
}
}
// CHECK IF QUOTA MUST BE ADDED TO THIS BUCKET
// VALIDATE IT
// --- global ---
// 1. can be true, false, or nil (use pointers)
// 2. if nil do nothing
// 3. if false, throw "not yet implemented" (501)
// 4. if true, check that the bucket name does not exist yet in the global namespace, throw "forbidden" (403)
// --- quota.size ---
// 1. if no quota on the bucket + this field is none, set to 50MB
// 2. if lower than 50MB, set to 50MB. If higher than 200MB, set to 200MB
// --- quota.files ---
// 1. if no quota on the bucket + this field is none, set to 10k
// 2. if lower than 10k, set to 10k. If higher than 40k, set to 40k
// READ BODY JSON
// IF BODY.GLOBAL is not NONE
// DO: Add an alias
// IF BODY.QUOTA.SIZE is not NONE
// DO: Change quota
// IF BODY.QUOTA.FILE is not NONE
// DO: Change quota
getGarageBucket(w, br)
}
func getGarageBucket(w http.ResponseWriter, br *BucketRequest) {
// FETCH AN UPDATED BUCKET VIEW
bucket, err := grgGetBucket(br.bucketId)
if err != nil {
http.Error(w, "Unable to fetch bucket details", http.StatusInternalServerError)
return
}
// BUILD A VIEW
log.Println(bucket)
}
|
