2 * Copyright (C) 2015 "IoT.bzh"
3 * Author "Fulup Ar Foll"
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 #include "../include/local-def.h"
24 // handle to hold queryAll values
31 // Sample Generic Ping Debug API
32 PUBLIC json_object* getPingTest(AFB_request *request) {
34 json_object *response;
39 AFB_clientCtx *client=request->client; // get client context from request
41 // request all query key/value
42 len = getQueryAll (request, query, sizeof(query));
43 if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query));
45 // check if we have some post data
46 if (request->post == NULL) request->post->data="NoData";
48 // check is we have a session and a plugin handle
49 if (client == NULL) strncpy (session,"NoSession", sizeof(session));
50 else snprintf(session, sizeof(session),"uuid=%s token=%s ctx=0x%x handle=0x%x", client->uuid, client->token, client->ctx, client->ctx);
52 // return response to caller
53 response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon count=%d CtxtId=%d query={%s} session={%s} PostData: [%s] "
54 , pingcount++, request->client->cid, query, session, request->post->data);
59 // Helper to retrieve argument from connection
60 PUBLIC const char* getQueryValue(const AFB_request * request, const char *name) {
63 value = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, name);
67 STATIC int getQueryCB (void*handle, enum MHD_ValueKind kind, const char *key, const char *value) {
68 queryHandleT *query = (queryHandleT*)handle;
70 query->idx += snprintf (&query->msg[query->idx],query->len," %s: \'%s\',", key, value);
73 // Helper to retrieve argument from connection
74 PUBLIC int getQueryAll(AFB_request * request, char *buffer, size_t len) {
76 buffer[0] = '\0'; // start with an empty string
81 MHD_get_connection_values (request->connection, MHD_GET_ARGUMENT_KIND, getQueryCB, &query);
85 // Helper to retrieve POST handle
86 PUBLIC AFB_PostHandle* getPostHandle (AFB_request *request) {
87 if (request->post == NULL) return (NULL);
88 return ((AFB_PostHandle*) request->post->data);
91 // Helper to retrieve POST file context
92 PUBLIC AFB_PostCtx* getPostContext (AFB_request *request) {
93 AFB_PostHandle* postHandle;
94 if (request->post == NULL) return (NULL);
96 postHandle = (AFB_PostHandle*) request->post->data;
97 if (postHandle == NULL) return NULL;
99 return ((AFB_PostCtx*) postHandle->ctx);
102 PUBLIC json_object* getPostFile (AFB_request *request, AFB_PostItem *item, char* destination) {
104 AFB_PostHandle *postHandle = getPostHandle(request);
105 AFB_PostCtx *postFileCtx;
109 // This is called after PostForm and then after DonePostForm
112 postFileCtx = (AFB_PostCtx*) postHandle->ctx;
114 // No Post Application Context [something really bad happen]
115 if (postFileCtx == NULL) {
116 request->errcode = MHD_HTTP_EXPECTATION_FAILED;
117 return(jsonNewMessage(AFB_FAIL,"Error: PostForm no PostContext to free\n"));
120 // We have a context but last Xform iteration fail or application set a message
121 if (postFileCtx->jresp != NULL) {
122 jresp = postFileCtx->jresp; // retrieve previous error from postCtx
123 if (postFileCtx->errcode != 0) request->errcode=postFileCtx->errcode;
125 else jresp = jsonNewMessage(AFB_FAIL,"getPostFile Post Request done");
127 // Error or not let's free all resources
128 close(postFileCtx->fd);
129 free (postFileCtx->path);
134 // Make sure it's a valid PostForm request
135 if (!request->post && request->post->type != AFB_POST_FORM) {
136 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"This is not a valid PostForm request\n");
140 // Check this is a file element
141 if (item->filename == NULL) {
142 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"No Filename attached to key=%s\n", item->key);
146 // Check we got something in buffer
147 if (item->len <= 0) {
148 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"Buffer size NULL key=%s]\n", item->key);
152 // Extract Application Context from posthandle [NULL == 1st iteration]
153 postFileCtx = (AFB_PostCtx*) postHandle->ctx;
155 // This is the 1st Item iteration let's open output file and allocate necessary resources
156 if (postFileCtx == NULL) {
159 // Create an application specific context
160 postFileCtx = calloc (1, sizeof(AFB_PostCtx)); // May place anything here until post->completeCB handle resources liberation
161 postFileCtx->path = strdup (filepath);
163 // attach application to postHandle
164 postHandle->ctx = (void*) postFileCtx; // May place anything here until post->completeCB handle resources liberation
166 // Build destination directory full path
167 if (destination[0] != '/') {
168 strncpy (filepath, request->config->sessiondir, sizeof(filepath));
169 strncat (filepath, "/", sizeof(filepath));
170 strncat (filepath, destination, sizeof(filepath));
171 } else strncpy (filepath, destination, sizeof(filepath));
174 // make sure destination directory exist
175 destDir = opendir (filepath);
176 if (destDir == NULL) {
177 if ( 0 <= mkdir(filepath,O_RDWR | S_IRWXU | S_IRGRP)) {
178 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"Fail to Create destination directory=[%s] error=%s\n", filepath, strerror(errno));
181 } else closedir (destDir);
183 strncat (filepath, "/", sizeof(filepath));
184 strncat (filepath, item->filename, sizeof(filepath));
186 if((postFileCtx->fd = open(filepath, O_RDWR |O_CREAT, S_IRWXU|S_IRGRP)) <= 0) {
187 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"Fail to Create destination File=[%s] error=%s\n", filepath, strerror(errno));
191 // reuse existing application context
192 postFileCtx = (AFB_PostCtx*) postHandle->ctx;
195 // Check we successfully wrote full buffer
196 len = write (postFileCtx->fd, item->data, item->len);
197 if (item->len != len) {
198 postFileCtx->jresp= jsonNewMessage(AFB_FAIL,"Fail to write file [%s] at [%s] error=\n", item->filename, strerror(errno));
202 // every intermediary iteration should return Success & NULL
203 request->errcode = MHD_HTTP_OK;
207 request->errcode = MHD_HTTP_EXPECTATION_FAILED;