An API for Guichet #23

Merged
quentin merged 14 commits from api into main 2023-09-26 06:44:36 +00:00
3 changed files with 184 additions and 17 deletions
Showing only changes of commit 5b246ec86b - Show all commits

153
api.go
View file

@ -2,11 +2,12 @@ package main
import (
//"context"
"encoding/json"
"errors"
"fmt"
garage "git.deuxfleurs.fr/garage-sdk/garage-admin-sdk-golang"
"github.com/go-ldap/ldap/v3"
//"github.com/gorilla/mux"
"github.com/gorilla/mux"
"log"
"net/http"
"strings"
@ -111,21 +112,132 @@ func checkLoginAndS3API(w http.ResponseWriter, r *http.Request) (*LoginStatus, *
return login, keyPair, err
}
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) {
login, s3key, err := checkLoginAndS3API(w, r)
br, err := buildBucketRequest(w, r)
if err != nil {
log.Println(err)
return
}
// CHECK PATCH REQUEST
if r.Method == http.MethodPatch {
patchGarageBucket(w, br)
return
}
// READ BODY JSON
if r.Method == http.MethodGet {
getGarageBucket(w, br)
return
}
// VALIDATE OBJECT
// --- bucket query parameter ---
// 1. bucket must be owned by the key with owner permission, otherwise throw "unauthorized" (401)
// 2. must not end with deuxfleurs.fr or deuxfleurs.org, otherwise throw "forbidden" (403)
http.Error(w, "This method is not implemented for this endpoint", http.StatusNotImplemented)
return
}
func buildBucketRequest(w http.ResponseWriter, r *http.Request) (*BucketRequest, error) {
_, s3key, err := checkLoginAndS3API(w, r)
if err != nil {
http.Error(w, "Unable to connect on LDAP", http.StatusUnauthorized)
return nil, err
}
// FETCH BUCKET ID by iterating over buckets owned by this key
bucketName := mux.Vars(r)["bucket"]
var bucketId *string
var global *bool
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
@ -137,17 +249,28 @@ func handleAPIGarageBucket(w http.ResponseWriter, r *http.Request) {
// --- 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
// Add an alias
// DO: Add an alias
// IF BODY.QUOTA.SIZE is not NONE
// Change quota
// DO: Change quota
// IF BODY.QUOTA.FILE is not NONE
// Change quota
// DO: Change quota
log.Println(login, s3key)
return
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)
}

View file

@ -97,12 +97,56 @@ func grgCreateWebsite(gkey, bucket string) (*garage.BucketInfo, error) {
return binfo, nil
}
func grgAddGlobalAlias(bid, alias string) (*garage.BucketInfo, error) {
client, ctx := gadmin()
resp, _, err := client.BucketApi.PutBucketGlobalAlias(ctx).Id(bid).Alias(alias).Execute()
if err != nil {
log.Println(err)
return nil, err
}
return resp, nil
}
func grgAddLocalAlias(bid, key, alias string) (*garage.BucketInfo, error) {
client, ctx := gadmin()
resp, _, err := client.BucketApi.PutBucketLocalAlias(ctx).Id(bid).AccessKeyId(key).Alias(alias).Execute()
if err != nil {
log.Println(err)
return nil, err
}
return resp, nil
}
func grgDelGlobalAlias(bid, alias string) (*garage.BucketInfo, error) {
client, ctx := gadmin()
resp, _, err := client.BucketApi.DeleteBucketGlobalAlias(ctx).Id(bid).Alias(alias).Execute()
if err != nil {
log.Println(err)
return nil, err
}
return resp, nil
}
func grgDelLocalAlias(bid, key, alias string) (*garage.BucketInfo, error) {
client, ctx := gadmin()
resp, _, err := client.BucketApi.DeleteBucketLocalAlias(ctx).Id(bid).AccessKeyId(key).Alias(alias).Execute()
if err != nil {
log.Println(err)
return nil, err
}
return resp, nil
}
func grgGetBucket(bid string) (*garage.BucketInfo, error) {
client, ctx := gadmin()
resp, _, err := client.BucketApi.GetBucketInfo(ctx, bid).Execute()
if err != nil {
fmt.Printf("%+v\n", err)
log.Println(err)
return nil, err
}
return resp, nil

View file

@ -130,7 +130,7 @@ func main() {
r.HandleFunc("/", handleHome)
r.HandleFunc("/logout", handleLogout)
r.HandleFunc("/api/unstable/garage/bucket/{b}", handleAPIGarageBucket)
r.HandleFunc("/api/unstable/garage/bucket/{bucket}", handleAPIGarageBucket)
r.HandleFunc("/profile", handleProfile)
r.HandleFunc("/passwd", handlePasswd)