-// WARNING: PostForm callback are call multiple time (one or each key within form)
-// When processing POST_JSON request->data hold a PostHandle and not data directly as for POST_JSON
-STATIC json_object* ProcessPostForm (AFB_request *request, AFB_PostItem *item) {
-
- AFB_PostHandle *postHandle;
- appPostCtx *appCtx;
- char filepath[512];
-
- // When Post is fully processed the same callback is call with a item==NULL
- if (item == NULL) {
- // Close file, Free handle
-
- request->errcode = MHD_HTTP_OK;
- return(jsonNewMessage(AFB_SUCCESS,"File [%s] uploaded at [%s] error=\n", item->filename, request->config->sessiondir));
- }
-
- // Let's make sure this is a valid PostForm request
- if (!request->post && request->post->type != AFB_POST_FORM) {
- request->errcode = MHD_HTTP_FORBIDDEN;
- return(jsonNewMessage(AFB_FAIL,"This is not a valid PostForm request\n"));
- } else {
- // In AFB_POST_FORM case post->data is a PostForm handle
- postHandle = (AFB_PostHandle*) request->post->data;
- appCtx = (appPostCtx*) postHandle->ctx;
- }
-
- // Check this is a file element
- if (0 != strcmp (item->key, "file")) {
- request->errcode = MHD_HTTP_FORBIDDEN;
- return (jsonNewMessage(AFB_FAIL,"No File within element key=%s\n", item->key));
- }
-
- // This is the 1st Item iteration let's open output file and allocate necessary resources
- if (postHandle->ctx == NULL) {
- int fd;
-
- strncpy (filepath, request->config->sessiondir, sizeof(filepath));
- strncat (filepath, "/", sizeof(filepath));
- strncat (filepath, item->filename, sizeof(filepath));
-
- if((fd = open(request->config->sessiondir, O_RDONLY)) < 0) {
- request->errcode = MHD_HTTP_FORBIDDEN;
- return (jsonNewMessage(AFB_FAIL,"Fail to Upload file [%s] at [%s] error=\n", item->filename, request->config->sessiondir, strerror(errno)));
- };
-
- // Create an application specific context
- appCtx = malloc (sizeof(appPostCtx)); // May place anything here until post->completeCB handle resources liberation
- appCtx->fd = fd;
-
- // attach application to postHandle
- postHandle->ctx = (void*) appCtx; // May place anything here until post->completeCB handle resources liberation
- postHandle->completeCB = (AFB_apiCB)DonePostForm; // CallBack when Form Processing is finished
-
- } else {
- // this is not the call, FD is already open
- appCtx = (appPostCtx*) postHandle->ctx;
- }
-
- // We have something to write
- if (item->len > 0) {
-
- if (!write (appCtx->fd, item->data, item->len)) {
- request->errcode = MHD_HTTP_FORBIDDEN;
- return (jsonNewMessage(AFB_FAIL,"Fail to write file [%s] at [%s] error=\n", item->filename, strerror(errno)));
- }
- }
-
- // every event should return Sucess or Form processing stop
- request->errcode = MHD_HTTP_OK;
- return NULL;
-}
-