Files
aqhomecontrol/apps/aqhome-storage/u_objects.c
2023-08-11 03:21:06 +02:00

459 lines
14 KiB
C

/****************************************************************************
* This file is part of the project AqHome.
* AqHome (c) by 2023 Martin Preuss, all rights reserved.
*
* The license for this file can be found in the file COPYING which you
* should have received along with this file.
****************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "./u_objects_p.h"
#include "./u_base.h"
#include "./aqhomehttp.h"
#include "aqhome/http/httpservice_http.h"
#include <gwenhywfar/gwenhywfar.h>
#include <gwenhywfar/debug.h>
#include <gwenhywfar/i18n.h>
GWEN_INHERIT(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS);
/* ------------------------------------------------------------------------------------------------
* forward declarations
* ------------------------------------------------------------------------------------------------
*/
static void GWENHYWFAR_CB _freeData(void *bp, void *p);
static int _handleUrl(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq);
static GWEN_MSG *_handleGet(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq);
static GWEN_MSG *_handlePost(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq);
static void _handleGetList(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_BUFFER *pageBuf);
static void _handleGetAdd(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_BUFFER *pageBuf);
static void _handleGetEdit(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id, GWEN_BUFFER *pageBuf);
static GWEN_MSG *_handlePostAdd(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq);
static GWEN_MSG *_handlePostEdit(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id);
static int _writeAddPage(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_DB_NODE *dbValues, GWEN_BUFFER *pageBuf);
static int _writeEditPage(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_DB_NODE *dbValues, GWEN_BUFFER *pageBuf);
static GWEN_MSG *_addOrEditAndCreateResponse(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id, AQH_HTTP_URLHANDLER_WRITEPAGE_CB cb);
static int _addOrEditObject(AQH_HTTP_URLHANDLER *uh, GWEN_DB_NODE *db, int id);
static GWEN_DB_NODE *_findObjectByIdAndReturnAsDb(AQH_HTTP_URLHANDLER *uh, int id);
static void _listObjectsIntoBuffer(AQH_HTTP_URLHANDLER *uh, GWEN_BUFFER *pageBuf);
/* ------------------------------------------------------------------------------------------------
* implementations
* ------------------------------------------------------------------------------------------------
*/
AQH_HTTP_URLHANDLER *AQH_ObjectsHttpUrlHandler_new(AQH_SERVICE *sv,
uint32_t neededPermsList,
uint32_t neededPermsAdd,
uint32_t neededPermsDel,
uint32_t neededPermsEdit,
const char *urlForObjectList)
{
AQH_HTTP_URLHANDLER *uh;
AQH_URLHANDLER_OBJECTS *xuh;
uh=AQH_HttpUrlHandler_new(sv);
GWEN_NEW_OBJECT(AQH_URLHANDLER_OBJECTS, xuh);
GWEN_INHERIT_SETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh, xuh, _freeData);
AQH_HttpUrlHandler_SetHandleFn(uh, _handleUrl);
xuh->neededPermsList=neededPermsList;
xuh->neededPermsAdd=neededPermsAdd;
xuh->neededPermsDel=neededPermsDel;
xuh->neededPermsEdit=neededPermsEdit;
xuh->urlForObjectList=urlForObjectList?strdup(urlForObjectList):NULL;
return uh;
}
void _freeData(void *bp, void *p)
{
AQH_URLHANDLER_OBJECTS *xuh;
xuh=(AQH_URLHANDLER_OBJECTS*)p;
free(xuh->urlForObjectList);
GWEN_FREE_OBJECT(xuh);
}
void AQH_ObjectsHttpUrlHandler_SetAddOrEditObjectFn(AQH_HTTP_URLHANDLER *uh, AQH_OBJECTSHTTPURLHANDLER_ADDOREDITOBJECT_FN fn)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh) {
xuh->addOrEditObjectFn=fn;
}
}
void AQH_ObjectsHttpUrlHandler_SetFindObjectByIdAndReturnAsDbFn(AQH_HTTP_URLHANDLER *uh,
AQH_OBJECTSHTTPURLHANDLER_FINDOBJECTBYIDANDRETURNASDB_FN fn)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh) {
xuh->findObjectByIdAndReturnAsDbFn=fn;
}
}
void AQH_ObjectsHttpUrlHandler_SetWriteAddPageFn(AQH_HTTP_URLHANDLER *uh, AQH_OBJECTSHTTPURLHANDLER_WRITEADDPAGE_FN fn)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh) {
xuh->writeAddPageFn=fn;
}
}
void AQH_ObjectsHttpUrlHandler_SetWriteEditPageFn(AQH_HTTP_URLHANDLER *uh, AQH_OBJECTSHTTPURLHANDLER_WRITEEDITPAGE_FN fn)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh) {
xuh->writeEditPageFn=fn;
}
}
void AQH_ObjectsHttpUrlHandler_SetListObjectsIntoBufferFn(AQH_HTTP_URLHANDLER *uh,
AQH_OBJECTSHTTPURLHANDLER_LISTOBJECTSINTOBUFFER_FN fn)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh) {
xuh->listObjectsIntoBufferFn=fn;
}
}
int _handleUrl(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq)
{
if (GWEN_INHERIT_ISOFTYPE(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh)) {
const char *protocol;
const char *cmd;
GWEN_MSG *msgOut;
AQH_HttpService_SetupModuleAndPerms(AQH_HttpUrlHandler_GetHttpService(uh), rq, "aqhome");
protocol=AQH_HttpRequest_GetProtocol(rq);
AQH_HttpRequest_SetupUrlPathMembers(rq);
if (AQH_HttpRequest_GetUrlPathMembers(rq)==NULL) {
msgOut=AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 500, "Internal Error", protocol, NULL);
AQH_HttpRequest_SetResponseMsg(rq, msgOut);
return 0;
}
cmd=AQH_HttpRequest_GetCommand(rq);
if (cmd && *cmd) {
if (strcasecmp(cmd, "GET")==0)
msgOut=_handleGet(uh, rq);
else if (strcasecmp(cmd, "POST")==0)
msgOut=_handlePost(uh, rq);
else {
msgOut=AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 405, "Method not allowed", protocol, NULL);
}
AQH_HttpRequest_SetResponseMsg(rq, msgOut);
return 0;
}
else {
DBG_ERROR(AQH_LOGDOMAIN, "No command in request");
return GWEN_ERROR_INVALID;
}
}
else {
DBG_ERROR(NULL, "Not an AQH_URLHANDLER_OBJECTS object");
return GWEN_ERROR_INTERNAL;
}
}
GWEN_MSG *_handleGet(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq)
{
GWEN_BUFFER *pageBuf;
int rv;
GWEN_MSG *msgOut=NULL;
const char *protocol;
const GWEN_STRINGLIST *sl;
const char *s;
protocol=AQH_HttpRequest_GetProtocol(rq);
pageBuf=GWEN_Buffer_new(0, 2048, 0, 1);
/* header */
rv=AQH_HttpUrlHandler_AddContentHeaders(uh, AQH_HTTP_CONTENT_MODE_DESKTOP, pageBuf);
if (rv<0) {
DBG_ERROR(AQH_LOGDOMAIN, "Error adding headers");
GWEN_Buffer_free(pageBuf);
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 500, "Internal Error", protocol, NULL);
}
/* middle part (header - middle - footer) */
sl=AQH_HttpRequest_GetUrlPathMembers(rq);
s=GWEN_StringList_StringAt(sl, 1);
if (!(s && *s))
s="list";
if (strcasecmp(s, "list")==0)
_handleGetList(uh, rq, pageBuf);
else if (strcasecmp(s, "add")==0)
_handleGetAdd(uh, rq, pageBuf);
else if (strcasecmp(s, "edit")==0)
_handleGetEdit(uh, rq, GWEN_StringList_StringAsIntAt(sl, 2, 0), pageBuf);
else {
DBG_ERROR(NULL, "Invalid url (2nd member is [%s])", s);
GWEN_Buffer_free(pageBuf);
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 404, "Not found", protocol, NULL);
}
/* footer */
rv=AQH_HttpUrlHandler_AddContentFooters(uh, AQH_HTTP_CONTENT_MODE_DESKTOP, pageBuf);
if (rv<0) {
DBG_ERROR(AQH_LOGDOMAIN, "Error adding footers");
GWEN_Buffer_free(pageBuf);
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 500, "Internal Error", protocol, NULL);
}
msgOut=AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 200, "OK", protocol, GWEN_Buffer_GetStart(pageBuf));
GWEN_Buffer_free(pageBuf);
return msgOut;
}
GWEN_MSG *_handlePost(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq)
{
GWEN_DB_NODE *db;
const GWEN_STRINGLIST *sl;
const char *protocol;
const char *s;
DBG_ERROR(NULL, "POST:");
db=AQH_HttpRequest_GetDbPostBody(rq);
GWEN_DB_Dump(db, 2);
protocol=AQH_HttpRequest_GetProtocol(rq);
sl=AQH_HttpRequest_GetUrlPathMembers(rq);
s=GWEN_StringList_StringAt(sl, 1);
if (s && *s) {
if (strcasecmp(s, "add")==0)
return _handlePostAdd(uh, rq);
else if (strcasecmp(s, "edit")==0)
return _handlePostEdit(uh, rq, GWEN_StringList_StringAsIntAt(sl, 2, 0));
else {
DBG_ERROR(NULL, "Invalid url (2nd member is [%s])", s);
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 404, "Not found", protocol, NULL);
}
}
else {
DBG_ERROR(NULL, "Invalid url (2nd member missing)");
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 404, "Not found", protocol, NULL);
}
}
void _handleGetList(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
uint32_t perms;
DBG_ERROR(NULL, "LIST");
perms=AQH_HttpRequest_GetModulePerms(rq);
if (perms & xuh->neededPermsList) {
_listObjectsIntoBuffer(uh, pageBuf);
}
else {
GWEN_Buffer_AppendArgs(pageBuf, "<p>%s</p>", I18N("No permissions to see list of objects."));
}
}
void _handleGetAdd(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
uint32_t perms;
DBG_ERROR(NULL, "ADD");
perms=AQH_HttpRequest_GetModulePerms(rq);
if (perms & xuh->neededPermsAdd) {
_writeAddPage(uh, rq, NULL, pageBuf);
}
else {
DBG_INFO(NULL, "No permissions to add.");
GWEN_Buffer_AppendArgs(pageBuf, "<p><font color=\"red\">%s</font></p>", I18N("No permissions to add an object."));
}
}
void _handleGetEdit(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
uint32_t perms;
DBG_ERROR(NULL, "EDIT");
perms=AQH_HttpRequest_GetModulePerms(rq);
if (perms & xuh->neededPermsEdit) {
if (id>0) {
GWEN_DB_NODE *db;
db=_findObjectByIdAndReturnAsDb(uh, id);
if (db) {
_writeEditPage(uh, rq, db, pageBuf);
GWEN_DB_Group_free(db);
}
else {
DBG_ERROR(NULL, "Object %d not found", id);
GWEN_Buffer_AppendArgs(pageBuf, "<p><font color=\"red\">%s</font></p>", I18N("Object not found."));
}
}
else {
DBG_ERROR(NULL, "Missing object id");
GWEN_Buffer_AppendArgs(pageBuf, "<p><font color=\"red\">%s</font></p>", I18N("Missing or invalid object id."));
}
}
else {
DBG_INFO(NULL, "No permissions to edit.");
GWEN_Buffer_AppendArgs(pageBuf, "<p>%s</p>", I18N("No permissions to edit."));
}
}
GWEN_MSG *_handlePostAdd(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
uint32_t perms;
perms=AQH_HttpRequest_GetModulePerms(rq);
if (perms & xuh->neededPermsAdd)
return _addOrEditAndCreateResponse(uh, rq, 0, _writeAddPage);
else {
DBG_INFO(NULL, "No perms to add object");
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 403, "Forbidden",
AQH_HttpRequest_GetProtocol(rq), NULL);
}
}
GWEN_MSG *_handlePostEdit(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
uint32_t perms;
perms=AQH_HttpRequest_GetModulePerms(rq);
if (perms & xuh->neededPermsEdit) {
return _addOrEditAndCreateResponse(uh, rq, id, _writeEditPage);
}
else {
DBG_INFO(NULL, "No perms to edit");
return AQH_HttpService_CreateResponseMsg(AQH_HttpUrlHandler_GetHttpService(uh), 403, "Forbidden",
AQH_HttpRequest_GetProtocol(rq), NULL);
}
}
GWEN_MSG *_addOrEditAndCreateResponse(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, int id, AQH_HTTP_URLHANDLER_WRITEPAGE_CB cb)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
AQH_SERVICE *sv;
GWEN_DB_NODE *db;
int rv;
sv=AQH_HttpUrlHandler_GetHttpService(uh);
db=AQH_HttpRequest_GetDbPostBody(rq);
rv=_addOrEditObject(uh, db, id);
if (rv<0)
return AQH_BaseHttpUrlHandler_CreateResponseForErrorCode(uh, rq, rv, cb, db);
return AQH_HttpService_CreateRedirectingResponseMsg(sv, AQH_HttpRequest_GetProtocol(rq), xuh->urlForObjectList);
}
int _addOrEditObject(AQH_HTTP_URLHANDLER *uh, GWEN_DB_NODE *db, int id)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh->addOrEditObjectFn)
return xuh->addOrEditObjectFn(uh, db, id);
return GWEN_ERROR_NOT_IMPLEMENTED;
}
GWEN_DB_NODE *_findObjectByIdAndReturnAsDb(AQH_HTTP_URLHANDLER *uh, int id)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh->findObjectByIdAndReturnAsDbFn)
return xuh->findObjectByIdAndReturnAsDbFn(uh, id);
return NULL;
}
int _writeAddPage(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_DB_NODE *dbValues, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh->writeAddPageFn)
return xuh->writeAddPageFn(uh, rq, dbValues, pageBuf);
return GWEN_ERROR_NOT_IMPLEMENTED;
}
int _writeEditPage(AQH_HTTP_URLHANDLER *uh, AQH_HTTP_REQUEST *rq, GWEN_DB_NODE *dbValues, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh->writeEditPageFn)
return xuh->writeEditPageFn(uh, rq, dbValues, pageBuf);
return GWEN_ERROR_NOT_IMPLEMENTED;
}
void _listObjectsIntoBuffer(AQH_HTTP_URLHANDLER *uh, GWEN_BUFFER *pageBuf)
{
AQH_URLHANDLER_OBJECTS *xuh=GWEN_INHERIT_GETDATA(AQH_HTTP_URLHANDLER, AQH_URLHANDLER_OBJECTS, uh);
if (xuh->listObjectsIntoBufferFn)
xuh->listObjectsIntoBufferFn(uh, pageBuf);
}