/
apiv1.go
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/
apiv1.go
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package main
import (
"encoding/json"
"net/http"
"github.com/SimonStiil/keyvaluedatabase/rest"
)
type APIv1 struct {
}
type APIv1Type string
const (
List APIv1Type = "List"
FullListKeys APIv1Type = "FullListKeys"
Key APIv1Type = "Key"
Error APIv1Type = "Error"
FullListNamespaces APIv1Type = "FullListNamespaces"
Namespace APIv1Type = "Namespace"
)
func (Api *APIv1) APIPrefix() string {
return "v1"
}
func (api *APIv1) ApiController(w http.ResponseWriter, request *RequestParameters) {
debugLogger := request.Logger.Ext.With("function", "ApiController", "struct", "APIv1")
if request.Method == "UPDATE" || request.Method == "PATCH" || request.Method == "POST" || request.Method == "PUT" {
data := rest.ObjectV1{}
err := App.decodeAny(request, &data)
if err != nil {
request.Logger.Log.Error("Unable to decode data", "error", err)
App.WriteStatusMessage(http.StatusBadRequest, w, request)
return
}
request.Attachment = &data
}
requestType := api.GetRequestType(request)
debugLogger.Debug("ApiController", "attachment", request.Attachment, "requestType", requestType)
switch requestType {
case FullListKeys:
api.fullListKeys(w, request)
case List:
api.list(w, request)
case FullListNamespaces:
api.fullListNamespaces(w, request)
case Key:
api.key(w, request)
case Namespace:
api.namespace(w, request)
default:
App.WriteStatusMessage(http.StatusNotFound, w, request)
}
}
func (api *APIv1) GetRequestType(request *RequestParameters) APIv1Type {
if request.Attachment != nil {
switch request.Attachment.Type {
case rest.TypeKey, rest.TypeRoll, rest.TypeGenerate:
return Key
case rest.TypeNamespace:
return Namespace
}
}
if request.Method == "GET" && request.Namespace == "*" && request.Key == "" {
return FullListNamespaces
}
if request.Method == "GET" && len(request.Namespace) > 0 && request.Key == "*" {
return FullListKeys
}
if request.Method == "GET" && (request.Namespace == "" || request.Key == "") {
return List
}
if len(request.Namespace) > 0 && len(request.Key) > 0 {
return Key
}
if request.Method == "POST" && len(request.Namespace) > 0 && len(request.Key) == 0 {
return Key
}
if len(request.Namespace) > 0 && len(request.Key) == 0 {
return Namespace
}
if request.Method == "POST" && len(request.Namespace) == 0 && len(request.Key) == 0 {
return Namespace
}
return Error
}
func (api *APIv1) fullListKeys(w http.ResponseWriter, request *RequestParameters) {
debugLogger := request.Logger.Ext.With("function", "fullListKeys")
status := http.StatusOK
debugLogger.Debug("Full List Keys Request")
content, err := App.DB.Keys(request.Namespace)
if err != nil {
status = http.StatusInternalServerError
debugLogger.Debug("Error listing keys from db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
var fullList rest.KVPairListV1
for _, key := range content {
value, err := App.DB.Get(request.Namespace, key)
if err == nil {
fullList = append(fullList, rest.KVPairV2{Key: key, Namespace: request.Namespace, Value: value})
} else {
status = http.StatusInternalServerError
debugLogger.Debug("Error reading key from db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
}
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(fullList)
}
func (api *APIv1) fullListNamespaces(w http.ResponseWriter, request *RequestParameters) {
debugLogger := request.Logger.Ext.With("function", "fullListNamespaces")
status := http.StatusOK
debugLogger.Debug("Full List Namespaces Request")
content, err := App.DB.Keys("")
if err != nil {
status = http.StatusInternalServerError
debugLogger.Debug("Error listing namespaces from db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
requestOrgNamespace := request.Namespace
testPermissons := ConfigPermissions{Read: true, List: true, Write: false}
user := request.Authentication.User
var fullList []rest.NamespaceV2
// TODO: Optimize for mysql
for _, namespace := range content {
keyslist, err := App.DB.Keys(namespace)
if err != nil {
status = http.StatusInternalServerError
debugLogger.Debug("Error listing keys from db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
request.Namespace = namespace
access := user.Autorization(request, &testPermissons)
fullList = append(fullList, rest.NamespaceV2{Name: namespace, Size: len(keyslist), Access: access})
}
request.Namespace = requestOrgNamespace
debugLogger.Debug("Full List Namespaces", "reply", fullList)
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(fullList)
}
func (api *APIv1) list(w http.ResponseWriter, request *RequestParameters) {
status := http.StatusOK
debugLogger := request.Logger.Ext.With("function", "list")
content, err := App.DB.Keys(request.Namespace)
if err != nil {
debugLogger.Debug("Error listing from db", "Error", err)
status := http.StatusInternalServerError
if _, ok := err.(*ErrNotFound); ok {
status = http.StatusNotFound
}
keys.WithLabelValues(request.Key, request.Namespace, "GET", App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(http.StatusInternalServerError, w, request)
return
}
debugLogger.Debug("List", "reply", content)
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(content)
}
func (api *APIv1) key(w http.ResponseWriter, request *RequestParameters) {
debugLogger := request.Logger.Ext.With("function", "key")
status := http.StatusOK
debugLogger.Debug("key Request - Start")
switch request.Method {
case "GET":
value, err := App.DB.Get(request.Namespace, request.Key)
if err != nil {
status = http.StatusInternalServerError
debugLogger.Debug("Error getting key from db", "Error", err)
if _, ok := err.(*ErrNotFound); ok {
status = http.StatusNotFound
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
debugLogger.Debug("key Request - DB.Get", "value", value)
reply := rest.KVPairV2{Key: request.Key, Namespace: request.Namespace, Value: value}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, http.StatusText(status)).Inc()
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(reply)
return
case "POST":
if request.Attachment == nil {
keys.WithLabelValues(request.Key, request.Namespace, "POST", "BadRequest").Inc()
App.WriteStatusMessage(http.StatusBadRequest, w, request)
}
debugLogger.Debug("POST Content", "value", request.Attachment.Value, "type", request.Attachment.Type)
err := App.DB.Set(request.Namespace, request.Key, request.Attachment.Value)
if err != nil {
debugLogger.Debug("Error setting key in db", "Error", err)
status := http.StatusInternalServerError
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
// Should not be nessesary to test that object is created....
/*
value, err := App.DB.Get(request.Namespace, request.Key)
if err != nil {
debugLogger.Debug("Error getting key from db", "Error", err)
status := http.StatusInternalServerError
if _, ok := err.(*ErrNotFound); ok {
status = http.StatusNotFound
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
status = http.StatusCreated
debugLogger.Debug("key Request - DB.Get", "value", value)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, http.StatusText(status)).Inc()
logger.Info("key Request",
"function", "key", "struct", "APIv1",
"id", request.ID, "address", request.RequestIP,
"user", request.GetUserName(), "method", request.Method,
"path", request.orgRequest.URL.EscapedPath(), "namespace", request.Namespace, "key", request.Key, "status", status)
*/
status = http.StatusCreated
App.WriteStatusMessage(status, w, request)
return
case "PUT":
debugLogger.Debug("PUT Content", "value", request.Attachment.Value, "type", request.Attachment.Type)
err := App.DB.Set(request.Namespace, request.Key, request.Attachment.Value)
if err != nil {
debugLogger.Debug("Error setting key in db", "Error", err)
status := http.StatusInternalServerError
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
// Should not be nessesary to test that object is created....
/*
value, err := App.DB.Get(request.Namespace, request.Key)
if err != nil {
logger.Debug("Error getting key from db",
"function", "key", "struct", "APIv1",
"id", request.ID, "namespace", request.Namespace, "key", request.Key, "Error", err)
status := http.StatusInternalServerError
if _, ok := err.(*ErrNotFound); ok {
status = http.StatusNotFound
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
status = http.StatusCreated
logger.Debug("key Request - DB.Get",
"function", "key", "struct", "APIv1",
"id", request.ID, "namespace", request.Namespace,
"key", request.Key, "value", value)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, http.StatusText(status)).Inc()
logger.Info("key Request",
"function", "key", "struct", "APIv1",
"id", request.ID, "address", request.RequestIP,
"user", request.GetUserName(), "method", request.Method,
"path", request.orgRequest.URL.EscapedPath(), "namespace", request.Namespace, "key", request.Key, "status", status)
*/
status = http.StatusCreated
App.WriteStatusMessage(status, w, request)
return
case "UPDATE", "PATCH":
status = http.StatusCreated
debugLogger.Debug("UPDATE Content",
"update.type", request.Attachment.Type,
"update.value", request.Attachment.Value)
newKey := request.Key
if request.Key == "" { // Should never happen anymore :-/
newKey = AuthGenerateRandomString(16)
}
newData := rest.KVPairV2{Key: newKey, Namespace: request.Namespace, Value: AuthGenerateRandomString(32)}
_, err := App.DB.Get(request.Namespace, request.Key)
exists := err == nil
if !exists {
if _, ok := err.(*ErrNotFound); !ok {
status = http.StatusInternalServerError
debugLogger.Debug("Error getting key in db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
}
debugLogger.Debug("UPDATE random",
"newData.key", newData.Key, "newData.value", newData.Value, "exists", exists)
if exists {
if request.Attachment.Type == rest.TypeRoll {
err := App.DB.Set(newData.Namespace, newData.Key, newData.Value)
if err != nil {
debugLogger.Debug("Error setting key in db", "Error", err)
status = http.StatusInternalServerError
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, http.StatusText(status)).Inc()
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
json.NewEncoder(w).Encode(newData)
return
}
} else {
if request.Attachment.Type == rest.TypeGenerate {
err := App.DB.Set(newData.Namespace, newData.Key, newData.Value)
if err != nil {
debugLogger.Debug("Error setting key in db", "Error", err)
status := http.StatusInternalServerError
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, http.StatusText(status)).Inc()
request.Logger.Log.Info("Handeled Reqeust", "status", status, "status-text", http.StatusText(status))
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
json.NewEncoder(w).Encode(newData)
return
}
}
keys.WithLabelValues(request.Namespace, request.Key, "UPDATE", "BadRequest").Inc()
App.WriteStatusMessage(http.StatusBadRequest, w, request)
return
case "DELETE":
err := App.DB.DeleteKey(request.Namespace, request.Key)
if err != nil {
status := http.StatusInternalServerError
if _, ok := err.(*ErrNotAllowed); ok {
status = http.StatusForbidden
}
debugLogger.Debug("Error deleting key in db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
default:
status = http.StatusNotFound
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
}
func (api *APIv1) namespace(w http.ResponseWriter, request *RequestParameters) {
debugLogger := request.Logger.Ext.With("function", "namespace")
status := http.StatusOK
debugLogger.Debug("namespace Request - Start", "attachment", request.Attachment)
switch request.Method {
case "POST":
if request.Attachment == nil {
status = http.StatusBadRequest
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
}
namespace := request.Namespace
if namespace == "" {
namespace = request.Attachment.Value
}
if namespace == "" {
status = http.StatusBadRequest
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
}
err := App.DB.CreateNamespace(namespace)
if err != nil {
status = http.StatusInternalServerError
debugLogger.Debug("Error creating namespace in db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
status = http.StatusCreated
keys.WithLabelValues(request.Key, namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
case "DELETE":
err := App.DB.DeleteNamespace(request.Namespace)
if err != nil {
status = http.StatusInternalServerError
if _, ok := err.(*ErrNotAllowed); ok {
status = http.StatusForbidden
}
debugLogger.Debug("Error deleting namespace in db", "Error", err)
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
default:
status = http.StatusNotFound
keys.WithLabelValues(request.Key, request.Namespace, request.Method, App.PrometheusStatusTest(status)).Inc()
App.WriteStatusMessage(status, w, request)
return
}
}
func (api *APIv1) Permissions(request *RequestParameters) *ConfigPermissions {
switch api.GetRequestType(request) {
case FullListKeys:
return &ConfigPermissions{List: true, Read: true}
case List:
return &ConfigPermissions{List: true}
case Key:
switch request.Method {
case "GET":
if App.Config.PublicReadableNamespaces != nil && len(App.Config.PublicReadableNamespaces) > 0 {
for _, namespace := range App.Config.PublicReadableNamespaces {
if request.Namespace == namespace {
return &ConfigPermissions{}
}
}
}
return &ConfigPermissions{Read: true}
case "POST", "PUT", "UPDATE", "PATCH", "DELETE":
return &ConfigPermissions{Write: true}
}
}
return &ConfigPermissions{Write: true, Read: true, List: true}
}